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Energy Storage News: Industry Hot Topics Tracking!

Release time:

2025-07-07

Source:

On June 30, the Zhejiang Energy Regulatory Office released a draft for comments titled "Notice on Matters Concerning the Trial Operation of the "Two Specific Rules" Settlement in the Yangtze River Delta Region of Zhejiang Province." The document proposes adjustments to the compensation fees for participating entities in the spot market operation for the new version of the "two specific rules" paid peak regulation (including deep peak regulation and start-stop peak regulation), and automatic generation control (AGC) auxiliary services.

Local Policies and News

01 Zhejiang Energy Regulatory Office solicits opinions on the "Notice on Matters Concerning the Trial Operation of the Two Detailed Rules of the Yangtze River Delta in Zhejiang Province (Draft for Comments)"

On June 30, the Zhejiang Energy Regulatory Office issued a notice soliciting opinions on the "Notice on Matters Concerning the Trial Operation of the Two Detailed Rules of the Yangtze River Delta in Zhejiang Province (Draft for Comments)". The document proposes that the compensation fees for the paid peak regulation (including deep peak regulation and start-stop peak regulation) and automatic generation control (AGC) auxiliary services under the new version of the two detailed rules for grid-connected entities participating in real-time operation will be adjusted as follows.

1. Deep peak regulation auxiliary service. For grid-connected entities that report and quote in the spot market, the portion above the minimum technical output will not be compensated under the new version of the two detailed rules; the compensation fee for deep peak regulation auxiliary services below the minimum technical output of the spot market will be implemented according to the new version of the two detailed rules.

2. Start-stop peak regulation auxiliary service. If the cost compensation for grid-connected entities in real-time operation is calculated based on the uncovered proportion of the government-authorized contract (or long-term contract), the compensation fee for start-stop peak regulation auxiliary services in the new version of the two detailed rules will be adjusted.

In addition, the power dispatching institution should formulate the relevant conditions and exit conditions for the participation of power-side, load-side energy storage, and adjustable loads in auxiliary service compensation and grid-connected operation assessment before the end of December 2025, and conduct corresponding access and exit management work accordingly.

02 Guangdong Power Trading Center releases the "Implementation Rules for Guangdong Virtual Power Plants Participating in Electricity Energy Trading (Trial)" and the "Implementation Rules for Guangdong Virtual Power Plant Operation and Management (Trial)"

On June 28, Guangdong Power Trading Center released the "Implementation Rules for Guangdong Virtual Power Plants Participating in Electricity Energy Trading (Trial)" and the "Implementation Rules for Guangdong Virtual Power Plant Operation and Management (Trial)".

The "Implementation Rules for Guangdong Virtual Power Plant Operation and Management (Trial)" clarifies the access management, capacity testing and certification, operation management, handling of information changes, and cancellation management of virtual power plants.

Participation in demand response trading: Load-side virtual power plant resources are aggregated into trading units by city, with a single trading unit having an adjustment capacity of no less than 5MW; the response duration is no less than 1 hour; the response time for day-ahead virtual power plants should be no more than 24 hours; the response time for hourly response virtual power plants should be no more than 2 hours; and the response time for direct control virtual power plants should be no more than 300 seconds.

03 Sichuan Power Trading Center Co., Ltd. releases "Relevant Matters Concerning User-Side New Energy Storage Projects in 2025"

On June 27, Sichuan Power Trading Center Co., Ltd. released "Relevant Matters Concerning User-Side New Energy Storage Projects in 2025".

The document mentions that energy storage users and energy storage operators use a self-negotiated method to independently agree on the calculation method of energy storage operation income and conduct the calculation of energy storage operation income.

Users who can choose to entrust Sichuan Power Trading Center Co., Ltd. to calculate energy storage operation income include:

(1) Industrial and commercial users who directly purchase electricity from the power market in 2025 and whose energy storage projects have separate time-of-use metering conditions;

(2) Power sales companies that meet the basic conditions of market members.

Energy storage operation income includes two parts: peak-valley fluctuation income generated by energy storage charging and discharging, and energy storage discharge compensation fees (i.e., the price difference fees for energy storage discharge obtained by energy storage users from government-authorized contracts).

Energy storage discharge compensation fees

Energy storage discharge compensation fees are implemented in accordance with relevant government regulations. After receiving the energy storage discharge compensation fees pushed by the power grid enterprise, Sichuan Power Trading Center Co., Ltd. will push them to the entrusting party.

Peak-valley fluctuation income generated by energy storage charging and discharging

Calculation cycle:

Specific method:

Peak-valley fluctuation income generated by energy storage charging and discharging = ∑ household electricity fees for time-of-use original electricity consumption - ∑ household electricity fees for time-of-use total off-grid electricity consumption. (Calculated monthly)

Among them, retail users are calculated by household number, and wholesale users are calculated by business entity.

Energy storage users restore and calculate the original electricity consumption based on the time-of-use total off-grid electricity consumption, time-of-use on-grid electricity consumption, and time-of-use energy storage charging and discharging electricity consumption (i.e., original electricity consumption = total off-grid electricity consumption - energy storage charging electricity consumption + energy storage discharging electricity consumption - on-grid electricity consumption).

The peak-valley fluctuation income generated by energy storage charging and discharging is the difference in household electricity fees (excluding basic electricity fees) caused by changes in the time-of-use electricity structure after the operation of the energy storage device. Household electricity fees include the on-grid electricity price after time-of-use fluctuation, on-grid line loss fees, transmission and distribution fees (excluding basic electricity fees), as well as system operation fees, government funds and surcharges, etc. Among them, the on-grid electricity price includes the user market transaction electricity price, and the price difference allocation fees between the government-authorized contract electricity price, gas-fired power generation on-grid electricity price, and inter-provincial purchased electricity price and the market price (monthly and intra-monthly concentrated transaction electricity energy average price) are discounted.

04 Ningbo Qianwan New District Economic and Information Bureau of Zhejiang Province releases the "Implementation Plan for Special Subsidies for Power Supply in Ningbo Qianwan New District in 2025"

On June 26, the Ningbo Qianwan New District Economic and Information Bureau of Zhejiang Province released the "Implementation Plan for Special Subsidies for Power Supply in Ningbo Qianwan New District in 2025", which clearly states: For user-side energy storage aggregators that participate in aggregated control and implement responses, subsidies will be provided at 1 yuan/kWh for the response electricity consumption; for units with bidding functions such as the power supply company's digital platform, subsidies will be provided at 0.5-2 yuan/kWh according to the bidding price, with a maximum subsidy amount of 100,000 yuan.

For temporary regional peak regulation such as virtual power plants, if there is a market clearing subsidy price, the new district finance will provide an additional 2 yuan/kWh based on the transaction price on the Zhejiang Provincial Power Trading Platform; the subsidy price for regional self-initiated response is 2 yuan/kWh. The maximum subsidy amount is 1.2 million yuan.

International Policies

01 Spain's Energy Storage Policy: Energy Storage is Clearly Listed as "Public Use"

On June 24, the Spanish government approved Royal Decree 7/2025, resolving several key issues that have long hampered the safe and legal deployment of energy storage projects. This is a response to the large-scale power outage that hit the country in April this year. The Spanish Battery Energy Storage Association (AEPIBAL) said the new regulations mark a major breakthrough for the development of energy storage in Spain.

To accelerate the development of the energy storage industry, the decree stipulates that if energy storage facilities are built within the scope of renewable energy power plants that have passed environmental impact assessment, the environmental assessment procedure can be exempted. This measure responds to the long-standing demands of the industry and is expected to significantly shorten the project approval cycle.

According to the latest decree, energy storage facilities and their related power connection infrastructure are explicitly classified as "public utility" for the first time. This will grant them the same legal support as power generation facilities in terms of land acquisition and approval permits, marking a significant breakthrough in Spain's energy storage policy.

The new regulations finally implement the following core content that AEPIBAL and the Ministry of Energy have been promoting for many years:

The declaration of public utility (DUP) for energy storage facilities and their related infrastructure—used for the input and output of electricity between the transmission and distribution networks—is explicitly established, just as power generation facilities have already enjoyed this legal status. "Declaration of public utility" means that the government recognizes such projects as being in the public interest and has the right to legally acquire land, simplify approval procedures, etc.

For hybrid power generation projects with battery energy storage, the approval process will be significantly simplified as long as the energy storage facilities are within the project's planned boundaries. Most importantly, such projects are exempt from environmental impact assessments.

The "installed capacity" is clearly defined as the maximum output power of the inverter. This adjustment fundamentally changes the criteria for dividing the approval authority of hybrid projects (>50 MW projects are approved by the central government, ≤50 MW projects are approved by the local government). In the future, the capacity of each component in hybrid projects will no longer be cumulatively calculated.

A breakthrough has been achieved in a key area of contention between the Ministry of Energy and the National Commission of Markets and Competition (CNMC)—the new regulations abolish the discriminatory treatment suffered by hybrid power generation projects in technical power curtailment instructions. According to the latest regulations, all renewable energy power plants (regardless of whether they have energy storage systems) will be given priority protection during grid congestion and will be the last to have their power generation curtailed.

Another major breakthrough is that energy storage facilities will obtain demand-side flexible access permits, and their identity will no longer be equivalent to that of electricity consumers. At the same time, the new regulations unify the implementation standards of the grid connection security deposit system: relevant matters are now handled entirely by the project file management agency, and the release of the security deposit will only be linked to the power generation guarantee, and decoupled from the power supply contract.

Finally, for the user-side energy storage (BTM) field, the new regulations make the first explicit provisions for the functions of independent aggregators—this innovative institutional arrangement requires further specialized discussions and improvements.

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