[9] On December 27, 2013, AES submitted an application to the California Energy Commission to modernize the existing power station.

[5] The project also includes the construction of a 100 MW, 400 MWh battery energy storage system (BESS).

Construction of the battery energy storage system (BESS) began in June 2019,[2] and was complete in early 2021.

However, in late 2019, AES submitted an application to the California Energy Commission to continue to operate units 3-5 for an additional 1 to 3 years.

The City of Long Beach is assessing a replacement for these pumps to maintain the bay's water circulation.