SGCC was founded on Dec. 29th, 2002 as a pilot state-owned corporation by the State Council. As a backbone state-owned enterprise that may affect national energy safety and economic lifelines, SGCC's core business is to build and operate power grids and provides secure and reliable power supply for the development of the society. With a registered capital of RMB 200 billion yuan and service area covering 26 provinces,autonomous regions and municipalities directly under the jurisdiction of the Central Government which equals to 88% of the national territory. SGCC carries out the president responsibility system. The president is the legal corporate representative of SGCC. By the end of 2005, SGCC accumulated a total asset of RMB1176.7 billion yuan with a debt-asset ratio of 61.96%, and possessed 195,899 km of 220kV and above transmission lines with a transforming capacity up to 616.64 GVA. SGCC has 1.502 million employees and serves 128 million customers. In 2005, SGCC sold electric power up to 1464.6 TWh and achieved an operation income of RMB 721.4 billion yuan with a net profit of RMB14.4 billion yuan profit & tax of RMB 60.4 billion yuan. SGCC was ranked the 40th in the Fortune Global 500 in 2005.

State Grid Hebei Zhangjiakou Wind Power Storage and Transmission New Energy Co., Ltd., established on 2010-01-25, Business scope includes undertaking wind power generation,Construction of solar power generation and other new energy power generation projects;electricity production;Electricity sales;Electrical equipment maintenance;and electricity production,overhaul,Technical training related to operation and maintenance,technology development,technical consulting,Technical Services;New energy product testing service;Research and development of energy storage device and its management system;Big data system facility construction,Operations and Technology Development,technology transfer,technical consulting,Technical Services;cloud computing service;Internet technology innovation platform,Internet public service platform;Information Technology Consulting Services;Information system integration and operation and maintenance services;Data processing and storage services;Internet of Things Technology Services;New Generation Information Technology,High-end equipment technology,new material technology,new energy technology,Research and development of energy saving and environmental protection technology,Promotion service.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

State Grid Fujian Electric Power Co., Ltd., established on 1994-03-20, The scope of business includes the wholesale sale of electricity and electricity in the administrative regions of Fujian Province,direct supply;Electrical facilities repair,try(Limited to branch operations);Grid planning,invest,construction management,Operation management and operation maintenance;Electricity production,Power grid dispatching and management;Electric Energy Trading Service;Electric Power Science Research;Power Technology Development,Serve,Information Consulting;Occupational Skills Appraisal in Electric Power Industry;electrical energy,Power meter verification,Calibration and Testing(without repair);Sales of industrial production materials(Passenger cars with less than nine seats are not included);Electric energy metering and electricity collection device construction,to run,Technical supervision management and technical consultation and service;Power Engineering Design,Power engineering cost consultation,Research on Design Standards and Construction Quotas of Electric Power Engineering,customer service,electric car charger(Change)Electric facilities construction and operation;Power technology,Ecotechnology,Energy saving technology,Technology development in the field of energy technology,technology transfer,technical consulting,Technical Services;Engaged in contract energy management services,Industrial Energy Saving Services,Comprehensive energy services such as electric power energy-saving services;Construction of electric power information communication,to run,maintain(Limited to branch operations).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

State Grid Fujian Electric Power Co., Ltd. Electric Power Research Institute, established on 2010-06-02, Business scope includes electric power scientific research;Power Technology Development,Serve,Information Consulting;Power technology business training;Power meter verification,Calibration and Testing(without repair);customer service:;Test electrical facilities(level one)(Valid until2018year05moon14day).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Shandong Electric Power Corp is state-owned public service enterprise that is a subsidiary of the national electric company. The company engages in the planning, construction & operation of its company. The company is headquartered in Shandong, CN.

BYD Co., Ltd. engages in the research, development, manufacture, and sale of rechargeable batteries and photovoltaic business. It operates through the following segments: Rechargeable Batteries and Photovoltaic Products, Mobile Handset Components, Assembly Service and Other Products, and Automobiles and Related Products and Other Products. The Rechargeable Batteries and Photovoltaic Products segment is involved in the manufacture and sale of lithium-ion batteries and nickel batteries, photovoltaic products, and iron batteries products for mobile phones, electric tools, and other portable electronic instruments, photovoltaic products, energy storage products, and electric vehicles. The Mobile Handset Components, Assembly Service and Other Products segment focuses on the sale of mobile handset components such as housings, electronic components, assembly services, and medical protection products. The Automobiles and Related Products and Other Products segment consists of automobiles and auto-related moulds and components and automobile leasing and after sales services, rail transport related business, and medical protection products. The company was founded by Chuan Fu Wang on February 10, 1995 and is headquartered in Shenzhen, China.

Liaoning Province Power Co. Ltd. is a company headquartered in China ultimately controlled by the Government of China that provides power services.

State Grid Hunan Electric Power Co. (doing business as Stat Grid Hunan Electric Power Co. Shimen County Power Supply) is a Chinese company located in Changde and ultimately controlled by the Government of China that provides electric services.

North China Electric Power Research Institute Co., Ltd. (doing business as NCEPR) is a company headquartered in Beijing, China and ultimately controlled by the Government of China, that engages in electric power generation.

State Grid Electric Power Research Inst Wuhan Nanrui Co. Ltd. is a company headquartered in Wuhan, China and ultimately controlled by the Government of China. The firm manufactures and distributes power generating equipment. State Grid Yingda Co., Ltd. acquired State Grid Electric Power Research Inst Wuhan Nanrui Co. Ltd. from State Grid Corp. of China.

State Grid Jiangsu Electric Power Co., Ltd. Electric Power Research Institute, established on 2011-04-25, The scope of business includes engaging in planning related to the power industry,design,Research,consult,test,to build,Operation and production of the enterprise,Import and export business of scientific research related products and technologies,training(Does not include nationally recognized vocational certificate training).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

State Grid Shandong Electric Power Company Electric Power Research Institute, established on 2012-04-28, The scope of business includes entrusted by the head office to handle power system-related business.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

State Grid Hunan Electric Power Co., Ltd. Electric Power Research Institute, established on 2007-07-10, Business scope includes power technical services;Power Technical Supervision;Power Technology Development;electric equipment,Instrument Verification,calibration,detection;Power Technology Consulting;power planning;Computer software information development services;Power equipment network access management;Power Environmental Assessment.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Hunan Dewopu Electric Co., Ltd., established on 2009-10-10, Business scope includes electricity,electric,electronic,automation,smart grid,new energy,Power Quality,energy storage,Charging pile,Power Systems,condition monitoring,power transformer,Transformer,Reactor,Box-type transformer(substation),Switchgear,switch electrical appliances,switch(Screen)box,Energy Metering Box,circuit breaker,load switch,components,meter,Cables and Accessories,Goldware,Busway and other products,equipment,Equipment research and development,Production,Sales,Install,maintain;General Contracting of Power Engineering,design,construction,maintain,Consulting and other services;Self-support import and export business(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

NARI Technology is a Chinese provider of solutions for power and automation technologies. Its business covers the fields of power system automation, smart grid, renewable energy, railway automation, industrial control, energy conservation and environment protection, power plant auxiliary equipment technology, etc. NARI-TECH mainly focuses on technologies and innovations on electrical power SCADA/EMS applications, protective relays and other automation in substation, advanced metering infrastructure, power electronics (SVC & SVG), renewable energy connection (Wind power converter, Photovoltaic inverter etc.), railway power SCADA, and automation. The company is founded in 2001 by Nanjing Automation Research Institute (NARI), which is owned by China State Grid and has a moderate long history about 50 years. It has extended its business and services worldwide including in South America, Africa, Mideast, Southeast Asia, Middle Asia, and Russia.

Chengdu Dingzhihui Technology Co., Ltd., established on 2014-11-13, Business scope includes general items:software development;Technology intermediary service;Computer System Services;Computer and Office Equipment Repair;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Business Management Consulting(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license).

State Grid Shanghai Municipal Electric Power Co. (doing business as SMEPC) is a company headquartered in Shanghai, China and ultimately controlled by the Government of China. The firm engages in electricity distribution.

Nanjing Nari Jibao Electric Co. Ltd., a subsidiary of NARI Technology Co., Ltd., is a Chinese company that manufactures power grid relay, transmissions, power plant automations and other equipment.

State Grid Liaoning Electric Power Co., Ltd. Dalian Power Supply Company, established on 1991-05-04, Business scope includes power supply,Grid operation;Electrical machinery and equipment,Instrumentation and accessories sales;High-tech development,Information Consulting;Installation of electrical facilities,repair;Power engineering survey,design,construction,Install,Commissioning and engineering contracting,supervision;Construction of electric vehicle charging and swapping facilities,operate(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)***

State Grid Jiangsu Electric Power Design Consulting Co., Ltd., established on 2008-07-24, Business scope includes architectural engineering design,Power transmission and transformation engineering survey and design,consultation service;General contracting of construction projects, project management and related technical and management services,Technical Advisory Services;electric equipment,Equipment,communication device,Computer Equipment Sales and Repair;Integrated Energy Services.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)