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AI + DIGITAL-INTELLIGENT ENERGY
Digital-Intelligent Energy Solutions
Making Energy Safer · More Efficient · More Intelligent
ABOUT US
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 ustomers.
Co-build
Co-operate
Co-consult
Co-share
Win-win
OURJOURNEY
Development History
2003
JoinBright was founded in Beijing.
2004-2008
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.
2009-2013
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.
2014-2018
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 & Al 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.
2025-
Specialized & innovative growth, powering the takeoff of smart energy.
OUR PORTFOLIO
Product System
Six business pillars powering the digital-intelligent transformation of energy.
01
Grid Secure & Stable Operation
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
02Digital-Intelligent Grid Safe Production
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
03 Grid Planning & Energy Efficiency
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
04Power Market Services
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
05
Power System Simulation
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 JoinBright· Smart Energy Solutions
06
Zero-Carbon Park Services
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
Cloud-Based Full-Process Management System for Relay Protection Settings
OVERVIEW
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.
KEY ADVANTAGES
Cross-discipline data sharing
Secondary model ecosystem
New-energy modeling & calculation
Loop + radial network setting
Auto layout of setting diagrams
KEY USERS
State Grid East China, Southwest, Zhejiang, Anhui, Henan, Shaanxi, Jiangxi, Tianjin, Hainan; Tianjin & Hainan regional dispatchers; Ganzhou, Ji'an, Yichun, Qinzhou and more.
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 Al 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
03 Intelligent Cloud Brain for Distribution Network Settings
Built around Al, the Cloud Brain deeply integrates natural language processing and machine learning, purpose-built for distribution network setting calculation. Through convenient intelligent interactive commands, Al 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 Al-driven efficiency
Al interactive mode
Auto distribution modeling
New-energy capacity boundary analysis
Batch setting verification
KEY USERS
Tianjin, Hunan, Hainan, Xinyu, Jiujiang, Ganzhou, Yongchuan, Xining, Altay, Laibin, Chongzuo, Zunyi, Liupanshui and more.
KEY USERS
Provincial, municipal and regional dispatch centers across the country.
离线智能预执行
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
KEY USERS
State Grid East China, Southwest, Northwest, Central China; Hubei, Shaanxi, Gansu, Zhejiang, Tianjin; Yunnan (CSG); Wuhan, Xiong'an, Ziyang, Yibin, Chifeng and more.
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
KEY USERS
China Electric Power Research Institute, Zhejiang Huadian, Fujian Sangang Minguang, Zhejiang Energy, Juhua Group, CGN Huineng, Huadian Laizhou, Hunan Hydro & more.
Lean Management Platform for Grid-Connected 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
Intelligent verification
Integrated filing & verification
Automated data filing
KEY USERS
State Grid Central China, Northwest, Chongqing, Gansu, Ningxia;
Yunnan (CSG) and more.
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
KEY USERS
State Grid Chongqing, Tianjin, Xinjiang and more.
08 Relay Protection Setting Calculation Consulting Service
OVERVIEW
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.
KEY ADVANTAGES
Validated in 3000+ projects
20 years of experience
100+ expert team
SaaS setting tools
Global multi-industry practice
Professional software assurance
KEY USERS
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.
01 Full-Process Intelligent Assistant Tool for Secondary Operation Safety Measures
Relying on Al, loT 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. Al 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
Al precise comparison
Dynamic risk warning
Multi-scenario adaptation
KEY USERS
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 Al 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
KEY USERS
State Grid Xixian, Xi'an and more.
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
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
KEY USERS
State Grid Hebei Xiong'an New Area Power Supply Company.
KEY USERS
State Grid Ningxia EHV, Sichuan DC and State Grid DC Technology Center.
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 loT sensing, edge computing and Al, 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
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
KEY USERS
False-positive ratio <1
Standalone + Al platform integration
State Grid Hebei Shijiazhuang, Qinghai EHV, Gansu Electric Power Research Institute and more.
便携式红外测温仪正面图
便携式红外测温仪背面图
KEY USERS
Inner Mongolia Jingneng, State Grid Tianjin, Huadian Yanyuan and more.
Intelligent Diagnosis & Enhancement Tool for Main Grid Theoretical Line Loss
OVERVIEW
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.
KEY ADVANTAGES
Efficient & flexible line-loss calculation
Precise positioning of non-convergence
Al-driven data diagnosis & repair
Transparent multi-level index monitoring
KEY USERS
State Grid Anhui, Jiangsu Electric Power Research Institute, Gansu Electric Power Research Institute and more.
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 Al-driven proactive warning.
Al diagnosis & warning
Multi-algorithm full-scenario calculation
Precise time-segment & phase analysis
Multi-dimensional lean evaluation
KEY USERS
State Grid Hebei, Jilin, Tianjin, Liaoning, Chongqing, Shanghai and more.
让隐性线损看得见、管得住
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
KEY USERS
Line-loss specialists of city/county companies, line managers, stationarea managers, and O&M services for power & petrochemical enterprises.
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
O20 closed loop & continuous improvement
KEY USERS
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
KEY USERS
Distribution network customers with three-phase unbalance challenges.
06 Low-Voltage Reactive Power Generator (DP-3020SVG)
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
compensation rate
08 Comprehensive Voltage Regulator UPQC (DP-3040UPQC Series)
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
KEY USERS
State Grid Hebei, Shanxi Yangquan, Tianjin, Hebei Zhangjiakou, Shandong and more.
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
KEY USERS
State Grid Anqing, Chizhou, Gansu Qingyang, Yiyang High-tech Zone and more.
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 Al 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.
Al intelligent supervision & review
Execution risk analysis & warning
Intelligent evaluation system
Al report generation
KEY USERS
State Grid Hebei and more.
10 Intelligent Project Review & Automated Report Generation System
OVERVIEW
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%.
KEY ADVANTAGES
Review accuracy above 90%
Intelligent material parsing
One-click report generation
Self-improving knowledge base
KEY USERS
Applies to feasibility review, demand review and reserve demonstration for power grid projects.
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
Multi-province data & rule matching
Optimized multi-market portfolio strategies
Node supply-demand & price analysis
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
KEY USERS
State Grid trading platform, Guangzhou Power Exchange, Anhui Pingwei, Huaneng Gansu, Jiangsu EPRI, CGN Wind, Datang Shanxi, Hubei Dabieshan and more.
KEY USERS
Independent storage and grid-side storage projects, e.g., Gushenliang 500kV 500MW/2000MWh storage and Delingshan 500kV 100MW/400MWh storage.
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 Al 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
Multi-site integrated control
All-day intelligent auto monitoring
Real-time P&L & position analysis
KEY USERS
Trading departments of generation/retail companies, virtual power plant operators, power investment & asset management institutions.
04Spot Trading Simulation Platform
Based on a powerful Al 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
KEY USERS
Supported national & provincial power trading skills competitions, including National Energy Cup and multiple provincial power trader contests.
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
KEY USERS
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 Al 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
Al decision engine “Tianji”
Green power + carbon synergy
Full-market product coverage
Cost optimization + risk hedging
7×24 transparent hosting
KEY USERS
Commercial & industrial users, industrial parks and energy aggregators.
专家级交易团队
电力交易中心资深分析师+精算模型团队，深耕各省电力市场规则，精准预判电价趋势及供需波动，代理用户平均购电成本降低6%～15%。
智能決策中台"天枢"
自研大数据AI引擎，结合气象、负荷、燃煤价格、新能源出力等变量，提供每日最优申报曲线，降低偏差考核风险超35%，提升现货套利收益。
绿电交易·碳资产协同
代理采购绿电，获取绿色电力证书(GEC)，助力企业完成可再生能源消纳责任权重，同步降低碳关税风险，提升ESG评级。
全市场品种覆盖
支持中长期双边协商、集中竟价、挂牌交易，以及日前/实时现货市场、绿电交易、合同电量转让、需求响应及辅助服务，一站式代理不遗漏任何收益点。
成本优化+风险对冲
组合套期保值策略，利用金融输电权、月度合约灵活配置，帮助客户规避极端电价波动；同时提供偏差电量调剂服务，避免高额考核。
7×24小时透明托管
用户专属驾驶舱实时查看代理交易进度、成交电价及预测报告，交易流程合规透明，月度对账清晰，释放企业精力聚焦主营业务。
Safety & Stability Analysis Solution for Enterprise Power Supply & Distribution Systems
OVERVIEW
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.
KEY ADVANTAGES
Full-dimension system modeling
Multi-scenario deep simulation
Customized optimization & control strategies
Engineering-grade delivery
KEY USERS
Dongming Petrochemical, CNOOC Shell Huizhou Phase IlI, Indonesia OBI Park, PetroChina Karamay and Wushihua.
02 Digital Dynamic Real-Time Simulation System (DDRTS)
OVERVIEW
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.
KEY ADVANTAGES
Panoramic real-time digital simulation testing
Hardware & software protection access
Real-time process control system
Digital-physical hybrid simulation training
KEY USERS
Conventional & smart substations; thermal, hydro, wind and PV plants for secondary system training and protection verification.
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
KEY USERS
Dongming Zhongyou Petrochemical, Fuyang low/zero-carbon factory, Gansu Guotou wind farms and more.
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 Al, 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
KEY USERS
Qinghai 110kV Guyi digital twin substation, Qinghai Qingnan converter station, Qinghai 750kV Xining substation and more.
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, Al 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
KEY USERS
State Grid Liaoning Fuxin, Shanxi Yangquan, Chongqing Energy Big Data Center, Guangdong Power Grid, Henan EPRI and more.
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
KEY USERS
Chongqing Energy Big Data Center, Guangdong Power Grid and more.
Park Energy Planning Simulation Software
OVERVIEW
Based on Al 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 Al 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.
KEY ADVANTAGES
Al-driven multi-source data fusion
Improved multi-objective optimization
Full-process dynamic coordination
Economy & reliability dual excellence
KEY USERS
Jiangsu Integrated Energy Company, Shanghai Integrated Energy Company and more.
Dynamic Control System for Zero-Carbon 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
Millisecond fast response
High-proportion new-energy accommodation
Grid / island dual-mode operation
KEY USERS
Jiaxing Smart Industry Innovation Park, Zhongheng Fuyang Park, Xiamen Software Park, Jingsing Paper, Hankook Tire and more.
03 Smart O&M Service for Zero-Carbon Park / Factory Green Microgrids
The service provides full-lifecycle professional O&M support for microgrid systems. Relying on loT, big data and Al 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, Al 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
KEY USERS
Jiaxing Smart Industry Innovation Park, Zhongheng Fuyang Park, Xiamen Software Park, Jingsing Paper, Hankook Tire and more.
Smart Energy Management Platform for Data Centers with Computing-Power 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
Full-chain AIDC supply & distribution simulation
Millisecond automatic power transfer
Green power + market coordination
KEY USERS
Serving 30+ data centers including ByteDance, Alibaba, Zhonglian Cloud, Zhongjin Data, China Telecom/Mobile and Xiong'an Supercloud Center.
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
Al-driven refined carbon control
Transparent peak-path deduction
KEY USERS
State Grid Hebei, State Grid Liaoning, China Rongtong and more.
TOGETHER WE GO FURTHER
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.
STRATEGIC CUSTOMERS
UNIVERSITY-INDUSTRY COOPERATION
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.
