Wind Solar and Energy Storage Return Rate

Is China entering a new era of energy storage demand?

Mainland China accounts for most of the global energy storage demand, driven in the near term by regional requirements for new utility-scale wind and solar projects to include energy storage capacity. However, the Chinese market is entering an era of change.

How will wind & solar payments work in 2025?

New policy introduced in February 2025 requires wind and solar payment mechanisms to move toward more market-based structures, where 100% of wind and solar generation is to be traded in the wholesale market with local governments left to define their own implementation details by the end of the year.

Do end-use efficiencies affect energy returns?

A key issue in net energy analysis is the omission of the effects of end-use efficiencies on the energy returns of technologies. Now, an analysis shows that these effects strongly favour the energy returns of wind power and solar photovoltaics, which are found to be higher than those of fossil fuels.

Does the value of PV-wind systems reflect avoided energy and capacity costs?

Therefore, in this work, the value of PV-wind and PV-wind-battery systems reflects avoided energy and capacity costs and not market revenue. All the configurations explored in this analysis have a POI capacity of 100 MW AC, a PV capacity of 100 MW AC, and a storage duration of 4 h.