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Are energy storage subsidy policies uncertain?

Subsidy policies for energy storage technologies are adjusted according to changes in market competition, technological progress, and other factors; thus, energy storage subsidy policies are uncertain. In this section, the investment decision of energy storage technology with different investment strategies under an uncertain policy is studied.

How long does a subsidy for energy storage stations last?

For new energy storage stations with an installed capacity of 1 MW and above, a subsidy of no more than 0.3 yuan/kWh will be given to investors based on the amount of discharge electricity from the next month after grid connection and operation, and the subsidy will not last for more than 2 years.

How much subsidy for peak regulation & frequency control?

Therefore, subsidy for peak regulation and frequency control are the most common policies. Shandong Province, for example, offers RMB 0.15/kWh of peak regulation subsidy and RMB 6/MW of AGC frequency control subsidy for ESS with at least 5 MW / 10 MWh of capacity. ESS receiving the subsidy cannot take part in any paid bid for peak regulation.

What are energy storage policies?

These policies are mostly concentrated around battery storage system, which is considered to be the fastest growing energy storage technology due to its efficiency, flexibility and rapidly decreasing cost. ESS policies are primarily found in regions with highly developed economies, that have advanced knowledge and expertise in the sector.

How much is peak regulation subsidy in Shandong province?

Shandong Province, for example, offers RMB 0.15/kWh of peak regulation subsidy and RMB 6/MW of AGC frequency control subsidy for ESS with at least 5 MW / 10 MWh of capacity. ESS receiving the subsidy cannot take part in any paid bid for peak regulation. Capacity payment subsidy is the second most common policy on the grid side.

What are China's energy storage incentive policies?

China's energy storage incentive policies are imperfect, and there are problems such as insufficient local policy implementation and lack of long-term mechanisms . Since the frequency and magnitude of future policy adjustments are not specified, it is impossible for energy storage technology investors to make appropriate investment decisions.

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