Providing a Framework for Energy Storage System in the Electric Power Industry, Department of Energy Department Circular No. DC2019-08-0012 (Philippines)
An Energy Storage System (ESS) is a facility acting as a load and generator which is designed to receive, store and convert such energy to electricity, and includes the following technologies:
- Battery energy storage system
- Compressed air energy storage system
- Flywheel energy storage
- Pumped storage hydropower
The Circular requires that ESS proponents should apply and register their ESS for any of the following purposes:
- Provision of ancillary services
- Management in the penetration of renewable energy, or
- For the deferment of transmission/distribution facilities upgrade, among others
All ESS proponents are also required to secure a Certificate of Compliance as a generation company from the Energy Regulatory Commission, as well as an Environment Compliance Certificate or any other equivalent document from the Department of Environmental and Natural Resources.