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Energy Storage News: Industry Hotspot Tracking!

Release time:

2025-09-02

Source:

National Policies and News

01 The Northwest Regulatory Bureau of the National Energy Administration issued the "Implementation Rules for Cross-Province Mid-to-Long-Term Electricity Trading in the Northwest Region - Special Chapter on New Energy Storage Trading (Draft for Comments)"

On August 25, the Northwest Regulatory Bureau of the National Energy Administration issued the "Implementation Rules for Cross-Province Mid-to-Long-Term Electricity Trading in the Northwest Region - Special Chapter on New Energy Storage Trading (Draft for Comments)". The document clarifies that independent energy storage stations, as operating entities, participate in cross-province mid-to-long-term electricity trading with dual identities as wholesale users and power generation enterprises. The same independent energy storage station cannot participate in trading simultaneously as both a wholesale user and a power generation enterprise.

The organizational methods for new energy storage trading mainly include bilateral negotiation, listing, and centralized bidding trading.

Regarding the pricing mechanism, the charging and discharging transaction prices of independent energy storage stations are formed through market-based models. Independent energy storage stations delivering electricity to the grid are exempt from transmission and distribution charges as well as government funds and surcharges for the corresponding charging electricity volume.

The province or control area where the independent energy storage station is located is the province with rights to the independent energy storage station. The independent energy storage station should prioritize ensuring the power balance and new energy consumption adjustment needs of the rights province. When the rights province has surplus adjustment capacity, the independent energy storage station can participate in cross-province mid-to-long-term electricity trading. The declared charging or discharging volume should not exceed its charging or discharging capacity.

Local Policies and News

01 The Energy Bureau of Inner Mongolia Autonomous Region issued the "Work Plan for Optimizing Electricity Costs to Promote High-Quality Economic Development in the Eastern Inner Mongolia Region (Draft for Comments)"

On August 26, the Energy Bureau of Inner Mongolia Autonomous Region issued the "Work Plan for Optimizing Electricity Costs to Promote High-Quality Economic Development in the Eastern Inner Mongolia Region (Draft for Comments)". It proposes encouraging the integration of incremental distribution networks with new energy and energy storage to meet the needs of power supply, flexible adjustment, energy saving, and carbon reduction within the incremental distribution network, relying on self-generated and self-used new energy electricity to optimize distribution network project costs.

By supporting incremental distribution network construction, green power consumption, energy storage project operation, optimizing the business environment, transforming old and new kinetic energy, developing various market entities, and building a new energy system, it helps promote economic development in the Eastern Inner Mongolia region.

When the National Development and Reform Commission determines the transmission and distribution prices for the fourth regulatory period (2026 to 2028), it should actively seek support from the National Development and Reform Commission and the State Grid for the Eastern Inner Mongolia power grid, maintaining the existing transmission price advantage of 3.01 cents/kWh for power sent out from the Eastern Inner Mongolia grid.

02 Jiangsu Electric Power Trading Center forwarded the "Letter from the Provincial Development and Reform Commission on Effectively Carrying Out the Trial Operation of Continuous Settlement in the Electricity Spot Market"

On August 26, the Jiangsu Electric Power Trading Center forwarded the "Letter from the Provincial Development and Reform Commission on Effectively Carrying Out the Trial Operation of Continuous Settlement in the Electricity Spot Market". It states that starting from September, the Jiangsu Electric Power Dispatch Control Center, together with the Jiangsu Electric Power Trading Center, will organize the trial operation of continuous settlement in the electricity spot market.

The "Jiangsu Province Electricity Spot Market Operation Rules (Version 2.1)" mention that the current market electricity volume declaration price cap is 1500 yuan/MWh, and the floor is 0 yuan/MWh.

The full capacity bidding on the generation side follows the priority order of new energy, nuclear power, and coal power, with detailed lower limits for the declared prices of each type of power source. The starting point for the first segment of new energy declaration is 0 MW, with a price floor of 0 yuan/MWh. The price difference between each of the first three segments is no less than 5 yuan/MWh, and each of the first three segments' declared range does not exceed 10% of the rated capacity.

Initially, among new energy participants in the spot market, unified-dispatch new energy participates in spot declaration, clearing, and settlement, while other new energy (including cases where part of the unified-dispatch new energy stations participate in green power and non-unified dispatch connections) temporarily do not participate in spot declaration and clearing, only participating in real-time spot market settlement. Efforts are being accelerated to promote various new energy types to participate in spot market clearing.

After establishing a complete dynamic evaluation mechanism for regulation capability and effect, virtual power plants will be accelerated to participate in the day-ahead market by quantity bidding. Initially, virtual power plants will participate in the spot market similarly to ordinary power sales companies.

Grid-side energy storage participates in the spot market by quantity bidding on a station basis. The declared transaction information mainly includes: charging volume-price curve and discharging volume-price curve (MW) for day D. The starting point of the first output interval is 0, and the endpoint is not less than 25% of the rated charge-discharge power. The endpoint of the last output interval is the station's rated charge-discharge power. The starting point of each bidding segment must be the endpoint of the previous segment. The bidding curve must be monotonically non-decreasing with increasing output. Each bidding segment's step size cannot be less than 0.1 MW. Each segment's bid price cannot be lower than the declared price floor or higher than the declared price cap. Initially, energy storage stations participate in the day-ahead spot market as appropriate. Based on the day-ahead charge-discharge plan declared by the energy storage station and after dispatch safety checks, charging and discharging are arranged, participating in spot market settlement.

03 Guizhou Provincial Department of Housing and Urban-Rural Development issued the "Notice on Strengthening Fire Protection Design Review and Acceptance Management of Electrochemical Energy Storage Stations (Draft for Comments)"

On August 26, the Guizhou Provincial Department of Housing and Urban-Rural Development issued the "Notice on Strengthening Fire Protection Design Review and Acceptance Management of Electrochemical Energy Storage Stations (Draft for Comments)". It stipulates that electrochemical energy storage stations are divided into special construction projects and other construction projects.

Electrochemical energy storage stations connected at voltage levels of 330kV and above are special construction projects, subject to fire protection design review and fire acceptance systems.

The construction unit of such stations shall apply for fire protection design review to the local housing and urban-rural development authority according to construction project management authority; construction or installation is prohibited without fire protection design review or if the review is unqualified. After project completion acceptance, the construction unit shall apply for fire acceptance to the local housing and urban-rural development authority according to construction project management authority; use is prohibited without fire acceptance or if the acceptance is unqualified.

Other electrochemical energy storage stations requiring fire protection design according to national engineering construction fire protection technical standards are other construction projects, subject to filing and spot-check systems and managed as key projects. Among them, electrochemical energy storage stations with a rated capacity of 100 MWh or above shall have a spot-check ratio of no less than 50%, while those below 100 MWh shall follow the relevant provisions of the "Guizhou Province Construction Project Fire Protection Design Review and Acceptance Management Implementation Rules".

When applying for construction permits or approval to start construction, the construction unit of such stations shall provide fire protection design drawings and technical materials that meet construction needs. Without providing these, relevant units shall not process construction permits or approve start construction reports. After project completion acceptance, the construction unit shall apply for fire acceptance filing to the housing and urban-rural development authority. If found unqualified during lawful spot checks, use shall be stopped.

After the completion acceptance of such projects is qualified, for those with complete filing materials, a filing certificate will be issued. Sampling inspections will be conducted according to the sampling ratio specified in this notice. Other construction projects identified as inspection targets will be inspected according to fire acceptance regulations. If the inspection fails, the construction unit shall stop using the construction project and organize rectification. After rectification is completed, a re-inspection application shall be submitted to the housing and urban-rural development department. The project can only be used after passing the re-inspection.

04 Guizhou Development and Reform Commission publicly solicits opinions on the "Guizhou Province Implementation Plan for Deepening the Market-oriented Reform of New Energy Grid-connected Electricity Prices (Trial)"

On August 25, the Guizhou Development and Reform Commission publicly solicited opinions on the "Guizhou Province Implementation Plan for Deepening the Market-oriented Reform of New Energy Grid-connected Electricity Prices (Trial)". It stipulates that the mechanism electricity price for existing projects shall follow the Guizhou Province coal-fired power benchmark price of 0.3515 yuan/kWh.

The upper limit of the spot market clearing bid price is 1 yuan/kWh, and the lower limit of the bid and clearing price is -0.006 yuan/kWh. The bidding upper limit for incremental wind and photovoltaic projects is 0.3515 yuan/kWh, the bidding lower limit for wind power projects is 0.19 yuan/kWh, and the bidding lower limit for photovoltaic projects is 0.25 yuan/kWh.

Incremental projects will no longer implement the mechanism electricity price after reaching the reasonable full lifecycle utilization hours or after 20 years of operation. The bidding upper limit is determined comprehensively considering reasonable cost and revenue, green value, power market supply and demand, and user affordability. Initially, cost factors and avoiding disorderly competition are considered to set the lower limit.

05 Shanxi Provincial Energy Bureau and Shanxi Energy Regulatory Office issued the "Interim Measures for the Construction and Operation Management of Virtual Power Plants"

On August 18, the Shanxi Provincial Energy Bureau and Shanxi Energy Regulatory Office issued the "Interim Measures for the Construction and Operation Management of Virtual Power Plants." Its annex stipulates the technical requirements that virtual power plants must meet to participate in the electricity energy and ancillary services markets.

Virtual power plant regulation response capability: requires a regulation rate not less than (regulation capacity x 3%) per minute, and not less than 0.15 MW per minute. Regarding response time, the virtual power plant's regulation output should be consistent with the direction of the regulation instruction and be able to cross the regulation dead zone within 120 seconds.

Regarding regulation accuracy, deviation rate assessment is conducted every 15 minutes. "Load-type" virtual power plants must not exceed ±15%, "source-load-type" virtual power plants must not exceed ±10%, deviation rate = [(actual electricity (including 0.5 times self-use electricity) - planned electricity) / (participating electricity market regulation capacity x 0.25 hours)] x 100%; "distributed power source-type" virtual power plants must not exceed ±10%, deviation rate = (actual electricity - planned electricity) / (planned electricity) x 100%.

Resource aggregation capability: "distributed power source-type" virtual power plants must have new energy and energy storage installed capacity not less than 5 MW; "load-type" virtual power plants must have regulation capacity not less than 5 MW and not less than 10% of the maximum aggregation capacity, with the ability to continuously participate in response according to regulation capacity requirements for no less than 2 hours. This will be adjusted dynamically based on the development of virtual power plants.

Aggregated energy storage resources serve as supporting facilities on the generation or consumption side and do not participate in transactions as independent aggregation entities.

06 Hebei Development and Reform Commission issued the "Notice on Accelerating the Construction of Independent Energy Storage Projects to Enhance Power Peak Regulation and New Energy Consumption Capacity"

On August 20, the Hebei Development and Reform Commission issued the "Notice on Accelerating the Construction of Independent Energy Storage Projects to Enhance Power Peak Regulation and New Energy Consumption Capacity," proposing to accelerate construction progress. To strengthen the planning and layout of independent energy storage projects and achieve intensive, efficient, and orderly development, no further organization of power-side co-built or shared energy storage conversion to independent energy storage will be conducted. Power-side co-built and shared energy storage will not enjoy independent energy storage price policies.

It is reported that in May 2022, the Hebei Development and Reform Commission issued the "Provincial Grid-side Independent Energy Storage Layout Guidance Plan" and the "Provincial Power-side Shared Energy Storage Layout Guidance Plan (Interim)," planning to build 27 new shared energy storage stations in 23 key counties and districts across the province by the end of the 14th Five-Year Plan, with a construction scale of about 5 million kilowatts. In the "Hebei Province 2025 Proposed Independent Energy Storage Project List," a total of 37 energy storage projects with 6.4 GW/20.86 GWh capacity are arranged. (Detailed project list at the end of the document)

In 2024, the Hebei Development and Reform Commission issued the "Notice on Formulating Supporting Policies for Pilot Electricity Prices for Independent Energy Storage Development," confirming that independent energy storage stations can enjoy capacity electricity prices. Among them, for those connected and generating electricity before May 31, 2024, the annual capacity electricity price is 100 yuan/kW (including tax). For those connected and generating electricity from June 1 to September 30, 2024, the capacity electricity price will decline monthly, being 90 yuan/kW, 80 yuan/kW, 70 yuan/kW, and 60 yuan/kW respectively. For those connected and generating electricity from October 1 to December 31, 2024, the annual capacity electricity price is 50 yuan/kW. The capacity electricity fee for independent energy storage stations is included in the system operation fee and is shared monthly by all industrial and commercial users.

Key words:

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Energy Storage News: Industry Hotspot Tracking!

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Energy Storage News: Industry Hotspot Tracking!