JoinBright

中恒博瑞 · Beijing JoinBright Digital Power Technology Co., Ltd.

Stock Code 002364

A I + D I G I T A L - I N T E L L I G E N T E N E R G Y

Digital-Intelligent

Energy Solutions

Making Energy Safer · More Efficient · More Intelligent

JoinBright Tower, No.39 Xierqi Street, Haidian District, Beijing

Tel: 010-8278 1699 | Web: www.joinbright.com

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J O I N B R I G H T Digital Power Technology 01 About JoinBright

A B O U T U S

JoinBright at a Glance

Making Energy Safer, More Efficient & More

Intelligent

Founded in 2003, Beijing JoinBright Digital Power Technology Co.,

Ltd. (JoinBright) is a wholly-owned subsidiary of Zhongheng Electric

(Stock Code: 002364). It is a National High-Tech Enterprise, a Beijing

Specialized & Innovative SME, and holder of the Beijing Municipal

Enterprise Technology Center.

JoinBright focuses on the power sector, integrating software

development, implementation, service and consulting. Its business

covers secure & stable grid operation, digital-intelligent grid safe

production, grid planning & line-loss energy efficiency, power market

services, power system simulation and zero-carbon park services,

delivering comprehensive solutions to customers.

Upholding the mission of making energy safer, more efficient and more

intelligent, JoinBright stays customer-oriented and continuously

innovates. With service networks across China, its business reaches

international markets including Africa, West Asia, Southeast Asia and

North America, creating sustained value for customers.

Co-build Co-operate Co-consult Co-share

Win-win

100+

Granted Invention Patents

160+

Registered Software Copyrights

30+

Provincial & Ministerial Sci-Tech Awards

20+

Industry & Enterprise Standards

40+

Corporate Honors

30+

Professional Qualifications

JoinBright · Smart Energy Solutions 02 / 29

J O I N B R I G H T Digital Power Technology 01 About JoinBright

O U R J O U R N E Y

Development History

JoinBright was founded in Beijing.

The Relay Protection Setting Calculation Software became an industry pioneer in practical application.

The Online Verification & Early Warning System for Relay Protection Settings was deployed at the State Grid Dispatching

Center.

The Power Production Management System went live at power companies.

Won provincial & ministerial sci-tech progress awards in Shaanxi, Ningxia, State Grid and China Southern Grid.

Co-founded a graduate workstation with North China Electric Power University and China Agricultural University to build an

industry-academia-research platform.

Passed CMMI5 software capability maturity certification; first listed in the Zhongguancun High-Growth Enterprise TOP100.

Recognized as a Level-1 Power Demand Side Management Service Provider by MIIT and CEC.

As a core R&D enterprise, fully participated in the R&D and implementation of the State Grid SG186 project.

Parent company Zhongheng Electric was listed on the Shenzhen Stock Exchange and completed a major asset restructuring

with JoinBright.

Released the F1 software R&D platform.

Rated as a Beijing High-Tech Achievement Transformation Demonstration Enterprise.

Rated by the Beijing Municipal Commission of Economy & Information Technology as a Beijing Enterprise Technology

Center.

Named one of the Top 10 Annual Innovative SMEs in Zhongguancun.

Won provincial & ministerial sci-tech progress awards for line-loss research in Henan, Gansu and other regions.

Participated in national key projects including the MIIT Industrial Internet Platform Test Bed and the Industrial Internet

Platform Application Innovation & Promotion Center.

The cloud-computing & AI based relay protection setting calculation system was verified as internationally leading.

The integrated application platform software for distribution & retail electricity companies was shortlisted in the 6th

national industrial power demand-side management reference catalogue.

Specialized & innovative growth, powering the takeoff of smart energy.

JoinBright · Smart Energy Solutions 03 / 29

2003

2004-2008

2009-2013

2014-2018

2025-

J O I N B R I G H T Digital Power Technology 01 About JoinBright

O U R P O R T F O L I O

Product System

Six business pillars powering the digital-intelligent transformation of energy.

01 Grid Secure & Stable Operation 02 Digital-Intelligent Grid Safe Production

03 Grid Planning & Energy Efficiency 04 Power Market Services

05 Power System Simulation 06 Zero-Carbon Park Services

Cloud-Based Full-Process Management System for Relay

Protection Settings

Relay Protection Setting Calculation Software for New

Distribution Grids

Intelligent Cloud Brain for Distribution Network Settings

Online Verification & Early Warning Platform for Relay Protection

Settings

Integrated Setting Calculation Platform for Generation Groups

Lean Management Platform for Grid-Connected Protection

Settings

Relay Protection Grade Certification & Training System

Relay Protection Setting Calculation Consulting Service

Full-Process Intelligent Assistant Tool for Secondary Operation

Safety Measures

Secondary Circuit Visualization & Intelligent O&M Platform

Online Monitoring Device for Relay Protection Hard Straps

Comprehensive Analysis Software for Filter Bank Circuit

Breakers

Portable Intelligent Infrared Thermal Imager

UAV Inspection Image Defect Detection Software for T&D Lines

Intelligent Diagnosis & Enhancement Tool for Main Grid

Theoretical Line Loss

Intelligent Line-Loss Diagnosis & Decision Support Tool for

Distribution Networks

Intelligent Line-Loss Management Assistant (LossPilot)

Comprehensive Voltage Governance Solution for New

Distribution Grids

Quantitative Analysis Tool for New Energy Impact on Line Loss

Full-Process Planning Consulting Service for New Distribution

Grids

Unified Project Reserve Management & Execution Monitoring

Intelligent Project Review & Automated Report Generation

System

Decision Support System for Power Spot Trading

Smart Operation & Management Platform for Virtual Power

Plants

Smart Trading Tools

Spot Trading Simulation Platform

Power Trader Training & Certification

PowerLink · Electricity Agency Trading

Safety & Stability Analysis Solution for Enterprise Power Supply

& Distribution Systems

Digital Dynamic Real-Time Simulation System (DDRTS)

Power Quality Assessment Consulting Service

Digital Twin Platform for New Power Systems

Simulation Tool for New Energy Accommodation in Distribution

Networks

Park Energy Planning Simulation Software

Dynamic Control System for Zero-Carbon Park / Factory Green

Microgrids

Smart O&M Service for Zero-Carbon Park / Factory Green

Microgrids

Smart Energy Management Platform for Data Centers with

Computing-Power Coordination

JoinBright · Smart Energy Solutions 04 / 29

J O I N B R I G H T Digital Power Technology 01 Grid Secure & Stable Operation

01 Cloud-Based Full-Process Management System for Relay

Protection Settings

O V E R V I E W

A cloud-based full-business management system covering six core centers — model interaction, inspection & evaluation, setting

calculation, calculation & analysis, device sharing and system management. It deeply integrates cloud computing with relay protection

setting calculation, and through parallel & asynchronous processing, database sharding and high-speed caching, significantly

improves calculation efficiency. An innovative three-layer graphical management model enables convenient maintenance and efficient

display; image-stitching technology creates a “one-map for the whole grid” cloud-driven setting mode, while supporting new-energy

modeling and calculation. The full chain of software and hardware is independently controllable, ensuring security and reliability from the

source and providing a one-stop intelligent solution for relay protection business.

K E Y A D VA N TA G E S

Cross-discipline data sharing Secondary model ecosystem New-energy modeling & calculation

Loop + radial network setting Auto layout of setting diagrams

K E Y U S E R S

State Grid East China, Southwest, Zhejiang, Anhui, Henan, Shaanxi, Jiangxi, Tianjin, Hainan; Tianjin & Hainan regional dispatchers; Ganzhou,

Ji’an, Yichun, Qinzhou and more.

JoinBright · Smart Energy Solutions 05 / 29

J O I N B R I G H T Digital Power Technology 01 Grid Secure & Stable Operation

02 Relay Protection Setting Calculation

Software for New Distribution Grids

Core functions include model management, setting calculation,

calculation analysis, data management and setting-sheet workflow.

On top of traditional distribution grid setting calculation, it integrates

new-energy algorithms, fault simulation and AI to realize rapid newenergy modeling & calculation, arbitrary-location fault

simulation, precise fault location and new-energy access capacity

boundary analysis, improving the reliability and accuracy of relay

protection settings under various grid operating conditions.

New-energy fast modeling Fault simulation &

precise location

Access capacity analysis

K E Y U S E R S

Tianjin, Hunan, Hainan, Xinyu, Jiujiang, Ganzhou, Yongchuan, Xining,

Altay, Laibin, Chongzuo, Zunyi, Liupanshui and more.

03 Intelligent Cloud Brain for Distribution

Network Settings

Built around AI, the Cloud Brain deeply integrates natural language

processing and machine learning, purpose-built for distribution

network setting calculation. Through convenient intelligent interactive

commands, AI autonomously completes distribution model parsing,

automatic setting model generation, fault analysis & calculation

and protection setting verification — breaking the heavy reliance on

professional experience and shifting distribution setting work from

manual to AI-driven efficiency.

AI interactive mode Auto distribution modeling

New-energy capacity

boundary analysis

Batch setting verification

K E Y U S E R S

Provincial, municipal and regional dispatch centers across the country.

JoinBright · Smart Energy Solutions 06 / 29

J O I N B R I G H T Digital Power Technology 01 Grid Secure & Stable Operation

04 Online Verification & Early

Warning Platform for Relay Protection

Settings

The platform includes online verification & warning, anticipatedmode verification, maintenance-plan verification, short-circuit current

calculation, fault location and fault simulation. Based on real-time

grid model data, it conducts online assessment and early warning of

adaptability risks such as selectivity and sensitivity of protection

settings, supports setting anticipated device operating states to

evaluate setting adaptability, and automatically analyzes verification

results with graded risk warnings, building a comprehensive online

protection system.

Full-scenario setting risk

assessment

Automatic risk grading

& warning

Multi-source data auto

integration

K E Y U S E R S

State Grid East China, Southwest, Northwest, Central China; Hubei,

Shaanxi, Gansu, Zhejiang, Tianjin; Yunnan (CSG); Wuhan, Xiong’an,

Ziyang, Yibin, Chifeng and more.

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05 Integrated Setting Calculation

Platform for Generation Groups

Core functions include model management, fault analysis, setting

verification, setting-sheet workflow and data management. Centered

on intelligence and automation, the platform realizes panoramic

source-side modeling, automatic setting calculation, full-domain

setting verification and standardized data management, addressing

the weak setting control and risk identification capabilities of

generation enterprises and improving power system operation.

Group & plant

integrated collaboration

Unified primary/secondary

data

One-click setting &

verification

Adapts to diverse plant

types

K E Y U S E R S

China Electric Power Research Institute, Zhejiang Huadian, Fujian

Sangang Minguang, Zhejiang Energy, Juhua Group, CGN Huineng,

Huadian Laizhou, Hunan Hydro & more.

JoinBright · Smart Energy Solutions 07 / 29

J O I N B R I G H T Digital Power Technology 01 Grid Secure & Stable Operation

06 Lean Management Platform for GridConnected Protection Settings

Core functions include setting filing management, setting verification,

special work management, equivalent-limit management,

professional technical management and data management. Through

online and intelligent means, it automates grid-connected protection

data filing, makes setting verification intelligent and efficient, and

makes data management procedural and standardized. It opens the

data channel between dispatching and power-plant sides, driving

grid-connected setting management from manual to digitalintelligent, and supports the safe and stable operation of the new

power system.

Standardized gridconnected workflow

Integrated filing &

verification

Intelligent verification Automated data filing

K E Y U S E R S

State Grid Central China, Northwest, Chongqing, Gansu, Ningxia;

Yunnan (CSG) and more.

07 Relay Protection Grade Certification

& Training System

Core functions include a training center, examination center, grade

center and knowledge sharing, building an integrated “training –

assessment – certification” system. It creates a closed-loop

cultivation and management platform based on relay protection

setting calculation business scenarios, realizing progressive online

training, examination and certification, and effectively solving the

disconnect between traditional training and field practice.

Knowledge base &

smart learning

Practical simulation &

skill building

Quantified talent

management

K E Y U S E R S

State Grid Chongqing, Tianjin, Xinjiang and more.

JoinBright · Smart Energy Solutions 08 / 29

J O I N B R I G H T Digital Power Technology 01 Grid Secure & Stable Operation

08 Relay Protection Setting Calculation Consulting Service

O V E R V I E W

Combining professional expertise with an intelligent SaaS cloud platform, the consulting service provides full-scope relay protection setting

calculation services — precise setting calculation, customized setting schemes, standardized setting sheets and process-oriented

calculation documents — ensuring that protection devices act quickly and accurately upon system faults, safeguarding the safe and stable

operation of the power system.

K E Y A D VA N TA G E S

Validated in 3000+ projects 20 years of experience 100+ expert team

SaaS setting tools Global multi-industry practice Professional software assurance

K E Y U S E R S

Thermal power, hydropower, nuclear power, pumped storage, new energy, data centers, petrochemical and steel customers, including Huadian,

Xinjiang Xinte, Baihetan, Wudongde, Laos national grid, Fangchenggang & Xudabao nuclear, ByteDance data center, Zhejiang Petrochemical,

Shandong Steel and more.

JoinBright · Smart Energy Solutions 09 / 29

J O I N B R I G H T Digital Power Technology 02 Digital-Intelligent Grid Safe Production

01 Full-Process Intelligent Assistant Tool

for Secondary Operation Safety

Measures

Relying on AI, IoT sensing and precise positioning, the tool realizes

intelligent control over the full process from drafting, executing to

restoring safety measures, greatly improving the safety and

management efficiency of secondary operations. AI automatically

generates standardized safety measure plans, monitors execution in

real time, precisely compares restoration status and dynamically

identifies potential risks, ensuring that secondary operations are fully

regulated and controllable.

Full-process intelligent

control

AI precise comparison

Dynamic risk warning Multi-scenario adaptation

K E Y U S E R S

State Grid Hebei Xiong’an, Sichuan EHV, Zhejiang Huzhou, Shaanxi

Yan’an, Xinjiang Tacheng, Gansu Jiuquan, Anhui Chizhou, Zhejiang

Ningbo, Yangtze Power Wudongde, Huaneng Jinan and more.

02 Secondary Circuit Visualization &

Intelligent O&M Platform

Focusing on visualization and deep application of substation

secondary circuits, the platform is built on digital drawing modeling

and full-scene circuit visualization, deeply integrating AI and

simulation. It integrates intelligent drawing retrieval, safety measure

generation & rehearsal, AR on-site assistance, full-scene

secondary simulation training and intelligent evaluation, connecting

drawing modeling, on-site operation control and skill training into

one complete business chain.

Full business chain Full-scene circuit

visualization

Intelligent safety measure

generation

Fault simulation &

training

K E Y U S E R S

State Grid Xixian, Xi’an and more.

JoinBright · Smart Energy Solutions 10 / 29

J O I N B R I G H T Digital Power Technology 02 Digital-Intelligent Grid Safe Production

03 Online Monitoring Device for Relay

Protection Hard Straps

Through wireless position sensing, magnetic-induction wired

collection and dual-strap wired collection, the device fully covers the

intelligent retrofit needs of substation protection straps. With a wired

+ wireless dual-channel encrypted network, it ensures secure data

transmission and synchronizes strap status to five-prevention,

centralized control and other systems in real time, building a “precise

collection – secure transmission – intelligent locking” full-process

control system.

Non-outage deployment Precise status monitoring

Multi-channel secure

network

Intelligent anti-misoperation

K E Y U S E R S

State Grid Hebei Xiong’an New Area Power Supply Company.

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04 Comprehensive Analysis Software for

Filter Bank Circuit Breakers

The software provides mechanical characteristic monitoring,

insulation state evaluation, switching performance analysis, electrical

life evaluation and intelligent diagnosis. Based on full-lifecycle data it

builds multi-dimensional analysis models to monitor key parameters

such as mechanical characteristics, dynamic contact resistance and

SF6 gas pressure, enabling real-time health assessment. Combining

C2 type tests with energy and equivalent-charge calculation models,

it builds a digital evaluation system for electrical life loss and

precisely quantifies contact erosion.

Intelligent evaluation system Precise anomaly warning

High-efficiency switching

analysis

Intelligent diagnosis

K E Y U S E R S

State Grid Ningxia EHV, Sichuan DC and State Grid DC Technology

Center.

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JoinBright · Smart Energy Solutions 11 / 29

J O I N B R I G H T Digital Power Technology 02 Digital-Intelligent Grid Safe Production

05 Portable Intelligent Infrared Thermal

Imager

Purpose-built for infrared temperature measurement of substation

and distribution equipment, the imager empowers paperless,

automated and intelligent temperature measurement. It integrates

IoT sensing, edge computing and AI, featuring automatic

temperature parameter collection, one-shot intelligent multi-point

measurement, real-time multi-source heat-defect fusion analysis with

warning and tracking, and one-click temperature report generation,

supporting a fully closed online loop for inspection, defect and

testing business.

Industry-leading intelligence Close business integration

High measurement

efficiency & quality

Excellent system integration

K E Y U S E R S

State Grid Hebei Shijiazhuang, Qinghai EHV, Gansu Electric Power

Research Institute and more.

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06 UAV Inspection Image Defect

Detection Software for T&D Lines

The software provides a defect detection toolkit for transmission and

distribution equipment with a general defect recognition model,

supporting online review, batch export and report generation. It

supports localized model training — collecting local defect samples

to retrain and tune the model on top of the general model — to

improve defect discovery, advancing the goal of large-scale

“autonomous patrol, automatic transmission, intelligent judgment” in

equipment inspection.

85% average detection rate >90% key-defect

detection rate

False-positive ratio <1 Standalone + AI platform

integration

K E Y U S E R S

Inner Mongolia Jingneng, State Grid Tianjin, Huadian Yanyuan and

more.

JoinBright · Smart Energy Solutions 12 / 29

J O I N B R I G H T Digital Power Technology 03 Grid Planning & Energy Efficiency

01 Intelligent Diagnosis & Enhancement Tool for Main Grid

Theoretical Line Loss

O V E R V I E W

The tool provides data model parsing and access, data anomaly diagnosis & repair, simulation, theoretical line-loss calculation and

line-loss index evaluation. Through a real-time data lake it builds a full-chain quality verification system, and with machine-learning

algorithms automatically repairs anomalous data, realizing a transparent “collection – cleaning – verification – storage” full process. With

locally flexible calculation consistent with same-period line loss and online grids in source, algorithm and index, and a unique graphical

deduction interface, it achieves multi-level linked theoretical line-loss data governance and index analysis across province, city and county.

K E Y A D VA N TA G E S

Efficient & flexible line-loss

calculation

Precise positioning of non-convergence AI-driven data diagnosis & repair

Transparent multi-level index monitoring

K E Y U S E R S

State Grid Anhui, Jiangsu Electric Power Research Institute, Gansu Electric Power Research Institute and more.

JoinBright · Smart Energy Solutions 13 / 29

J O I N B R I G H T Digital Power Technology 03 Grid Planning & Energy Efficiency

02 Intelligent Line-Loss Diagnosis &

Decision Support Tool for Distribution

Networks

The tool provides distribution station-area theoretical line-loss

calculation, anomaly diagnosis, differentiated index evaluation, report

assistance, production power consumption monitoring, timesegmented line-loss calculation and phase evaluation. Using timeseries deep detection algorithms and LSTM-GRU fusion prediction

models, it builds a typical-scenario intelligent diagnosis algorithm

library to capture abnormal operation data in real time and precisely

locate the root cause of line loss, shifting line-loss governance from

passive tracing to AI-driven proactive warning.

AI diagnosis & warning Multi-algorithm full-scenario

calculation

Precise time-segment

& phase analysis

Multi-dimensional lean

evaluation

K E Y U S E R S

State Grid Hebei, Jilin, Tianjin, Liaoning, Chongqing, Shanghai and

more.

03 Intelligent Line-Loss Management

Assistant (LossPilot)

LossPilot is a “digital employee” that cruises 7×24, actively

monitoring, checking, reporting and requesting — transforming lineloss management from “people finding data” to “data finding

people”. It embeds dedicated agents for marketing, equipment and

development roles, proactively pushing to-do reminders, key

indicators and system health status, generating reports and

supporting natural-language Q&A, delivering a full closed loop

from data acquisition, indicator analysis and anomaly diagnosis to

root-cause identification and loss-reduction decisions.

7×24 auto cruise Second-level Q&A

Role-dedicated agents Proactive warning &

auto reports

K E Y U S E R S

Line-loss specialists of city/county companies, line managers, stationarea managers, and O&M services for power & petrochemical

enterprises.

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JoinBright · Smart Energy Solutions 14 / 29

J O I N B R I G H T Digital Power Technology 03 Grid Planning & Energy Efficiency

04 Comprehensive Voltage Governance

Solution for New Distribution Grids

The solution provides one-stop low-voltage governance of

consultation & diagnosis, simulation & optimization,

precise governance and optimization & improvement. Based on

decision-tree and fault-tree fusion analysis, it precisely identifies the

causes of low voltage from multiple dimensions such as supply

radius, wire gauge, three-phase imbalance, reactive power, load and

reverse heavy load. A multi-scenario simulation engine performs

“simulate-then-build” quantitative deduction of governance

measures, and a “one symptom, one strategy” library prioritizes

immediately controllable problems, forming a PDCA closed loop for

continuous voltage quality improvement.

Intelligent judgment &

precise tracing

Multi-scenario simulation

& strategy selection

Integrated softwarehardware governance

O2O closed loop &

continuous improvement

K E Y U S E R S

State Grid Hubei Suizhou, Gansu Zhangye & Qingyang, Anhui

Anqing and more.

05 Active Unbalance Compensation

Device (DP-3030AUC)

A power-electronic device for low-voltage distribution networks that

actively compensates three-phase unbalance. It provides unbalance

calculation methods, active filtering control, parameter-optimal

matching and resonance suppression, with diversified control and

built-in self-protection, improving power quality and equipment

utilization.

Unbalance calculation

method

Active filtering control

Parameter-optimal matching Resonance suppression

Diversified control Self-protection

K E Y U S E R S

Distribution network customers with three-phase unbalance challenges.

JoinBright · Smart Energy Solutions 15 / 29

J O I N B R I G H T Digital Power Technology 03 Grid Planning & Energy Efficiency

06 Low-Voltage Reactive Power Generator (DP3020SVG)

A low-voltage static var generator delivering fast dynamic reactive power

compensation, with fast response, effective three-phase unbalance

correction, high compensation rate and phase-sequence self-adaptation.

Fast response Effective

unbalance

correction

High

compensation rate

08 Comprehensive Voltage Regulator UPQC

(DP-3040UPQC Series)

Integrated voltage regulation, multi-function in one device: fast response

with precise regulation, wide voltage margin with high-efficiency operation,

and safe, reliable plug-and-play deployment.

Multi-function,

one device

Fast &

precise regulation

Wide voltage

margin

Safe, reliable,

plug-and-play

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07 Quantitative Analysis Tool for New

Energy Impact on Line Loss

The tool provides distributed/centralized energy analysis and layered

line-loss analysis. By integrating new-energy profiles, gateway

energy and reverse power-flow data, it builds a layered line-loss

calculation model to automatically identify line-loss fluctuations

caused by PV, wind and other new energy. Through four-level

penetration analysis across province, city, county and station area, it

dynamically monitors abnormal line loss daily, and based on seven

professional model clusters precisely calculates the lossincreasing/reducing impact of new energy on all grid levels —

improving analysis efficiency by 80% versus traditional approaches.

Multi-source

data integration

Multi-level

quantitative

calculation

Multi-model

intelligent

prediction

K E Y U S E R S

State Grid Hebei, Shanxi Yangquan, Tianjin, Hebei Zhangjiakou,

Shandong and more.

JoinBright · Smart Energy Solutions 16 / 29

J O I N B R I G H T Digital Power Technology 03 Grid Planning & Energy Efficiency

08 Full-Process Planning Consulting

Service for New Distribution Grids

To enhance the intelligence of distribution grid planning, the service

builds a closed-loop full-process consulting system covering

“current-state assessment, load forecasting, planning optimization,

and implementation & effectiveness evaluation”. It integrates

data-driven analysis, multi-objective optimization (considering

distributed PV/storage access) and GIS to realize full-process

planning management from grid diagnosis and load trend forecasting

to generating reliable, economical planning schemes and evaluating

implementation outcomes, forming a planning – construction –

O&M data loop.

Data-driven grid analysis Load forecasting for new

power systems

Intelligent optimized

planning

Multi-dimensional

evaluation

K E Y U S E R S

State Grid Anqing, Chizhou, Gansu Qingyang, Yiyang High-tech Zone

and more.

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09 Unified Project Reserve Management

& Execution Monitoring

An important application supporting efficient and intelligent project

management, covering principle management, problem

management, demand management, reserve management,

execution management, supervision & review, index calculation,

risk warning and statistical analysis. Based on AI semantic

understanding and logical reasoning, it builds review rule libraries for

project supervision, professional judgment and execution warning,

strengthening pre-review, in-process monitoring and post-evaluation

capabilities.

AI intelligent supervision

& review

Execution risk analysis

& warning

Intelligent evaluation system AI report generation

K E Y U S E R S

State Grid Hebei and more.

JoinBright · Smart Energy Solutions 17 / 29

J O I N B R I G H T Digital Power Technology 03 Grid Planning & Energy Efficiency

10 Intelligent Project Review & Automated Report Generation

System

O V E R V I E W

The system applies large language models, RAG knowledge bases, natural language processing and OCR to realize a closed loop of project

material parsing, intelligent review, intelligent decision, problem management and report generation, supporting review scenarios such as

demand review, feasibility review and reserve-related demonstration. Verified results: review workload reduced by over 50%, intelligent

identification accuracy above 90%, automated report generation cutting report preparation workload by 80% and preparation time by 70%,

and knowledge reuse up by 40%.

K E Y A D VA N TA G E S

Review accuracy above 90% Intelligent material parsing One-click report generation

Self-improving knowledge base

K E Y U S E R S

Applies to feasibility review, demand review and reserve demonstration for power grid projects.

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JoinBright · Smart Energy Solutions 18 / 29

J O I N B R I G H T Digital Power Technology 04 Power Market Services

01 Decision Support System for Power

Spot Trading

The system integrates full-business capabilities of market analysis,

load forecasting, price forecasting, intelligent quotation, strategy

generation, trading execution, risk control, settlement verification and

post-trade review. By fusing large models with specialized small

models, it embeds multi-province power trading rule libraries and a

power trading agent, supporting single-entity, multi-entity and oneentity-multi-province business modes, delivering precise market

insight, scientific decisions and rigorous risk control.

Industry-leading highprecision forecasting

Optimized multi-market

portfolio strategies

Multi-province data &

rule matching

Node supply-demand &

price analysis

K E Y U S E R S

State Grid trading platform, Guangzhou Power Exchange, Anhui

Pingwei, Huaneng Gansu, Jiangsu EPRI, CGN Wind, Datang Shanxi,

Hubei Dabieshan and more.

02 Smart Operation & Management

Platform for Virtual Power Plants

The platform serves three core scenarios — demand response,

ancillary services and energy trading — providing refined operation

and management solutions covering full time series and full-category

resources. With advanced intelligent algorithms it delivers precise

load, power and price forecasting, efficient source-grid-load-storage

coordinated control optimization and trading strategy portfolio

optimization, empowering virtual power plants to operate more

conveniently, efficiently and profitably.

One-stop VPP solution Multi-objective source-gridload-storage optimization

Proven operating entity Years of operational

experience

K E Y U S E R S

Independent storage and grid-side storage projects, e.g., Gushenliang

500kV 500MW/2000MWh storage and Delingshan 500kV

100MW/400MWh storage.

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JoinBright · Smart Energy Solutions 19 / 29

J O I N B R I G H T Digital Power Technology 04 Power Market Services

03 Smart Trading Tools

Aimed at the pain points of rapidly changing spot markets, highfrequency fluctuation and high operational risk, the tools rely on realtime data collection and AI decision-making to build an all-day,

compliant trading decision assistant. They automatically identify

intraday rolling trading opportunities, dynamically measure positions,

and use advanced non-intrusive collection to free traders from

tedious mechanical monitoring so they can focus on market trend

analysis and strategy development.

Non-intrusive secure

collection

All-day intelligent auto

monitoring

Multi-site integrated control Real-time P&L &

position analysis

K E Y U S E R S

Trading departments of generation/retail companies, virtual power plant

operators, power investment & asset management institutions.

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04 Spot Trading Simulation Platform

Based on a powerful AI engine and configuration-based simulation

scenarios of domestic provincial power trading rules, the platform

simulates and analyzes trading clearing outcomes under different

market scenarios, providing realistic training, market behavior &

rule verification analysis for market participants, helping users

practice trading skills and validate strategies in a zero-risk

environment.

Configurable provincial

simulation scenarios

1:1 clearing process

replication

Market behavior & rule

verification

K E Y U S E R S

Supported national & provincial power trading skills competitions,

including National Energy Cup and multiple provincial power trader

contests.

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JoinBright · Smart Energy Solutions 20 / 29

J O I N B R I G H T Digital Power Technology 04 Power Market Services

05 Power Trader Training &

Certification

An intelligent, full-process assessment system for power trader

certification exams, deeply integrating “knowledge and practice”

across theoretical knowledge and practical skills. With a built-in

dynamic question bank and intelligent opponents that simulate real

power market trading environments, it has successfully supported

certification exams in Beijing, Shandong, Shanxi, Henan, Jilin and

more, accommodating up to 1,000 concurrent online users per

session.

Dynamic question bank

& intelligent opponents

Theory + practice dual

dimensions

Supports 1,000 concurrent

online users

K E Y U S E R S

Power trading certification candidates across provinces and cities.

06 PowerLink · Electricity Agency

Trading

A full-process power market hosting service tailored for commercial

& industrial users, parks and energy aggregators. As a

professional power trading service provider, PowerLink acts as agent

for clients across medium-and-long-term trading, spot markets,

green power trading, ancillary services and contract energy transfer.

With a senior trading team and a self-developed AI decision engine,

it optimizes quotation strategies, controls deviation assessment risks

and unlocks demand-side response returns — delivering a

lightweight “you use electricity, we manage it” experience.

Expert trading team Full-market product

coverage

AI decision engine “Tianji” Cost optimization + risk

hedging

Green power + carbon

synergy

7×24 transparent hosting

K E Y U S E R S

Commercial & industrial users, industrial parks and energy

aggregators.

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J O I N B R I G H T Digital Power Technology 05 Power System Simulation

01 Safety & Stability Analysis Solution for Enterprise Power

Supply & Distribution Systems

O V E R V I E W

The analysis closely follows the actual status and requirements of enterprise power supply & distribution systems — deeply analyzing

system structure including high-voltage transmission and medium/low-voltage distribution networks, fully considering equipment

parameters of transformers, generators and lines, and comprehensively analyzing operating characteristics and enterprise-specific

requirements for supply reliability and power quality. It builds rigorous, high-fidelity electrical models, and through fine simulation of static

safety, reactive voltage, short-circuit level, relay protection coordination and voltage/frequency stability, verifies the system’s supply

capability and puts forward practical optimization and control strategies.

K E Y A D VA N TA G E S

Full-dimension system modeling Multi-scenario deep simulation Customized optimization & control

strategies

Engineering-grade delivery

K E Y U S E R S

Dongming Petrochemical, CNOOC Shell Huizhou Phase III, Indonesia OBI Park, PetroChina Karamay and Wushihua.

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J O I N B R I G H T Digital Power Technology 05 Power System Simulation

02 Digital Dynamic Real-Time Simulation System (DDRTS)

O V E R V I E W

Based on digital twin technology, DDRTS builds digital models of real power grids, equipment and scale in a digital simulation system, and

uses electromagnetic transient algorithms to compute transient electrical quantities under normal and fault conditions. Through high-speed

fiber communication and a real-time process system with real, accurate time stamps, it achieves seamless connection between digital

simulation and monitoring systems or other control & protection equipment.

K E Y A D VA N TA G E S

Panoramic real-time digital simulation

testing

Hardware & software protection

access

Real-time process control system

Digital-physical hybrid simulation

training

K E Y U S E R S

Conventional & smart substations; thermal, hydro, wind and PV plants for secondary system training and protection verification.

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J O I N B R I G H T Digital Power Technology 05 Power System Simulation

03 Power Quality Assessment Consulting

Service

The service covers both power quality prediction assessment and

monitoring assessment. It evaluates PCC-point power quality data

including supply voltage deviation, harmonic voltage/current, voltage

fluctuation & flicker, three-phase unbalance, negative-sequence

current, frequency deviation and interharmonics, and proposes

rectification plans for power supply systems that fail to meet power

quality indicators, safeguarding safe, stable, high-quality and

economical operation.

Unique test + simulation

technology

Precision sensing +

intelligent algorithms

Intelligent positioning &

deep simulation

Current monitoring + future

prediction

K E Y U S E R S

Dongming Zhongyou Petrochemical, Fuyang low/zero-carbon factory,

Gansu Guotou wind farms and more.

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04 Digital Twin Platform for New Power

Systems

A platform with simulation and deduction at its core that realizes

realistic modeling of power systems and fully restores power

operation scenarios. Through an open, shared cooperation model, it

supports digital twin applications across planning, construction,

operation and maintenance. Leveraging big data analytics and AI, it

integrates professional power algorithms such as power flow

calculation, fault calculation and equipment state assessment to

rapidly process massive power data, monitor equipment status in

real time, identify potential faults and provide accurate prediction

and decision recommendations.

Full data perception Grid operation situation

analysis

Integrated professional

power algorithms

Intelligent problem

diagnosis

K E Y U S E R S

Qinghai 110kV Guyi digital twin substation, Qinghai Qingnan converter

station, Qinghai 750kV Xining substation and more.

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J O I N B R I G H T Digital Power Technology 05 Power System Simulation

05 Simulation Tool for New Energy

Accommodation in Distribution

Networks

The tool provides new-energy grid-connection accommodation

capacity assessment, intelligent recommendation of integration

schemes and auxiliary decision-making. By building a precise

evaluation system that accounts for dynamic constraints of power

flow distribution, voltage quality, access location and load

characteristics, it deeply analyzes and optimizes the capacity of lines

and station areas to accommodate new energy, and integrates

power flow simulation, AI optimization and dynamic economic

models to deliver “technically feasible, economically suitable and

risk-controllable” decision support for new-energy projects.

Dynamic accommodation

assessment

Multi-objective integration

plan generation

Multi-model benefit

evaluation

K E Y U S E R S

State Grid Liaoning Fuxin, Shanxi Yangquan, Chongqing Energy Big

Data Center, Guangdong Power Grid, Henan EPRI and more.

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06 LLM-Based Intelligent Data Analysis

Platform

The platform provides data source management, knowledge base

management, Q&A scenario management and intelligent data

querying, helping business users obtain and analyze data through

natural-language queries to support business decisions. It fuses SFT

fine-tuning, vector knowledge-base retrieval-augmented generation

and agent technology, is compatible with mainstream and domestic

Xinchuang databases, supports queries from single-table indicators

to complex multi-table joins, and features cutting-edge data

visualization and speech-recognition interaction for a more intuitive

experience.

Natural-language interaction Precise reasoning engine

Flexible multi-source

adaptation

Multimodal dynamic

visualization

K E Y U S E R S

Chongqing Energy Big Data Center, Guangdong Power Grid and more.

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J O I N B R I G H T Digital Power Technology 06 Zero-Carbon Park Services

01 Park Energy Planning Simulation Software

O V E R V I E W

Based on AI technology and oriented to multi-energy systems in parks, the software builds an intelligent data foundation integrating

electricity, heat, gas and storage to break data silos. Through “planning state + operation state” dual-dimensional models, it covers full

scenarios from long-term configuration to short-term operation. Using improved multi-objective optimization algorithms and AI prediction of

load and price, it balances economy, efficiency, low-carbon and reliability, and automatically outputs optimal configuration schemes to

enhance multi-energy dynamic coordination — providing intelligent and precise decision support for park energy planning.

K E Y A D VA N TA G E S

AI-driven multi-source data fusion Improved multi-objective optimization Full-process dynamic coordination

Economy & reliability dual

excellence

K E Y U S E R S

Jiangsu Integrated Energy Company, Shanghai Integrated Energy Company and more.

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J O I N B R I G H T Digital Power Technology 06 Zero-Carbon Park Services

02 Dynamic Control System for ZeroCarbon Park / Factory Green

Microgrids

Built for high-proportion new-energy integration scenarios, the

system deeply integrates distributed energy, storage, flexible loads

and distribution equipment to build a source-grid-load-storage

integrated real-time control system. Through intelligent algorithms

and millisecond-level response, it realizes seamless switching

between grid-connected and island modes, precisely smooths newenergy fluctuations and improves accommodation, while balancing

energy cost, carbon emissions and supply security — helping

parks/factories efficiently achieve zero-carbon energy-saving goals.

Source-grid-load-storage

coordination

High-proportion new-energy

accommodation

Millisecond fast response Grid / island dual-mode

operation

K E Y U S E R S

Jiaxing Smart Industry Innovation Park, Zhongheng Fuyang Park,

Xiamen Software Park, Jingsing Paper, Hankook Tire and more.

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03 Smart O&M Service for ZeroCarbon Park / Factory Green

Microgrids

The service provides full-lifecycle professional O&M support for

microgrid systems. Relying on IoT, big data and AI large models, it

builds a digital management platform integrating equipment

monitoring, fault warning, diagnosis analysis and O&M

optimization. Covering PV, storage, power distribution and microgrid

controllers with 7×24 status monitoring, AI precisely locates fault root

causes, predicts equipment life and provides optimal O&M

strategy recommendations, while a remote + on-site service team

helps lower O&M cost and downtime.

Real-time equipment

monitoring

Intelligent fault warning

& diagnosis

O&M strategy

optimization

Full-process digital

management

K E Y U S E R S

Jiaxing Smart Industry Innovation Park, Zhongheng Fuyang Park,

Xiamen Software Park, Jingsing Paper, Hankook Tire and more.

O&M Platform Screenshot

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J O I N B R I G H T Digital Power Technology 06 Zero-Carbon Park Services

04 Smart Energy Management Platform

for Data Centers with ComputingPower Coordination

Built for data centers and large-scale high-power-density AIDC

scenarios, the solution fuses power and computing. Based on a selfdeveloped, fully controllable electromagnetic digital simulation

platform, it provides full-chain power supply & distribution

simulation analysis, optimizing power quality and lowering PUE and

TOC. Professional relay protection setting calculation and full-cycle

verification prevent protection misoperation/refusal, while highreliability automatic switching devices achieve millisecond-level

power transfer for zero business interruption and zero data loss —

building a full-chain power security and low-carbon operation

foundation.

Protection setting &

full-cycle verification

Millisecond automatic

power transfer

Full-chain AIDC supply

& distribution

simulation

Green power + market

coordination

K E Y U S E R S

Serving 30+ data centers including ByteDance, Alibaba, Zhonglian

Cloud, Zhongjin Data, China Telecom/Mobile and Xiong’an Supercloud

Center.

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05 Dual-Carbon Decision Support

Analysis Tool for Energy & Power

The tool provides integrated services of electricity-carbon factor

accounting, carbon emission monitoring, low-carbon intelligent

decision-making and peak-path deduction. By aggregating multisource energy data, it builds “electricity” and “energy-carbon” dual

calculation models to realize full-process carbon management from

regional, industry and enterprise perspectives. Capabilities include

time/region-differentiated dynamic carbon factors, full-dimension

real-time carbon tracking, carbon trend analysis and carbon peak

simulation, supporting multi-level linked carbon governance and the

dual-carbon goal.

Multi-source carbon-factor

intelligent modeling

Precise real-time carbon

measurement

AI-driven refined carbon

control

Transparent peak-path

deduction

K E Y U S E R S

State Grid Hebei, State Grid Liaoning, China Rongtong and more.

Analysis Dashboard Screenshot

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J O I N B R I G H T Digital Power Technology 06 Cooperation

T O G E T H E R W E G O F U R T H E R

Cooperation

JoinBright stays market-oriented, continuously discovering customer needs, and driven by technology

and innovation, delivering professional customized products and services that create outstanding value

for customers. Because of our focus, we win our customers’ trust.

S T R AT E G I C C U S T O M E R S

Strategic Customer Logos

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U N I V E R S I T Y- I N D U S T R Y C O O P E R AT I O N

JoinBright operates branches across many provinces and cities, with business covering China and international markets including Africa,

West Asia, Southeast Asia and North America — a well-known professional smart-energy solutions provider.

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