What is an energy storage system?

An energy storage system (ESS) for electricity generation uses electricity (or some other energy source, such as solar-thermal energy) to charge an energy storage system or device, which is discharged to supply (generate) electricity when needed at desired levels and quality. ESSs provide a variety of services to support electric power grids.

How will a pumped storage power plant contribute to the energy transition?

The company is making a significant contribution to the energy transition and is continuing its corporate transformation towards more renewable energy generation. By storing energy, the pumped storage power plant will contribute to greater security of supply in southern Germany.

What is the power capacity of a battery energy storage system?

As of the end of 2022, the total nameplate power capacity of operational utility-scale battery energy storage systems (BESSs) in the United States was 8,842 MW and the total energy capacity was 11,105 MWh. Most of the BESS power capacity that was operational in 2022 was installed after 2014, and about 4,807 MW was installed in 2022 alone.

What is a conventional power plant?

Conventional power plant is the general term applied to the production of electrical energy from coal, oil, or natural gas using the intermediary of steam. The generator is usually a synchronous machine having a small number of poles (two or four) and running at high speeds (1500–3600 rpm).

Why should we invest in a pumped storage power plant?

By storing energy, the pumped storage power plant will contribute to greater security of supply in southern Germany. This investment is part of our previously announced strategy to invest in growth and transformation towards a greener business.

How efficient is a thermal power plant?

Conventional thermal power plants produce electricity with about 37% efficiency converting the fuel’s available energy into electric power . The majority of the fuel energy content is lost at the generation facility in a form of waste heat.