North asia energy storage policy subsidy

Will China keep implementing policy incentives for energy storage?

To effectively guarantee its grid stability of renewable energy sources, the Chinese government is expected to keep implementing its policy incentives for energy storage in the near future. This particular dataset provides us with the technical specifications of an energy storage system and allows us to calculate the model parameters.

Does China need energy storage?

China has shown significant growth in installed capacities for energy storage technologies [9, 10]. To effectively guarantee its grid stability of renewable energy sources, the Chinese government is expected to keep implementing its policy incentives for energy storage in the near future.

What if the Chinese government announces a 30% subsidy?

For example, if the Chinese government unexpectedly announces a 30% subsidy and promises no subsidy in the near future, it can lower the spread threshold by 0.3950 RMB/kWh (or 39.8%), thus stimulating more immediate investments.

How much does battery energy storage cost in China?

The discount rate r is set at 0.08, as referenced in the China Energy Storage Network. The current corporate income tax rate in China τ is around 25%. The Bloomberg New Energy Finance suggests that the investment cost of battery energy storage in 2022 is $261 per kWh. Therefore, we calculate the initial investment cost (I) to be 3.36 million RMB.

What if there is no government subsidy?

Without government subsidies, the uncertainty that firms face when making investment decisions is mainly due to the fluctuation in the peak-valley spreads. The fluctuation, however, is capped by a maximum set by the government to keep the stability of the electricity market.

Can a subsidy policy be activated or terminated at an uncertain time?

The subsidy policy, however, can be activated or terminated at an uncertain time and therefore, the firms face additional policy uncertainty when making the decision. We derive the investment thresholds of the market spread that the firms use to make a decision on investing immediately or holding an option.