3 FAQs about Price Inquiry for 350kW Solar Energy Storage Units for Environmental Protection Projects

Which energy storage technologies are included in the 2020 cost and performance assessment?

The 2020 Cost and Performance Assessment provided installed costs for six energy storage technologies: lithium-ion (Li-ion) batteries, lead-acid batteries, vanadium redox flow batteries, pumped storage hydro, compressed-air energy storage, and hydrogen energy storage.

How much does a gravity powerplant cost?

Cost/performance information for gravity powerplants rated at 50 MW/4 hours, 200 MW/8 hours, and 800 MW/8 hours are provided (Fiske, 2021). The energy costs drop from $565/kWh at 200 MWh to $207/kWh at 6,400 MWh.

How much does a PSH powerplant cost?

27 $480/kW is close to the electromechanical cost for a PSH powerplant. For the system with powertrain located below ground, the power equipment cost, which was not available, was assumed to be equal to that of a conventional PSH powerplant ($1209/kW for 100 MW and $1,015/kW for 1,000 MW).

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