What are base year costs for utility-scale battery energy storage systems?
Base year costs for utility-scale battery energy storage systems (BESSs) are based on a bottom-up cost model using the data and methodology for utility-scale BESS in (Ramasamy et al., ). The bottom-up BESS model accounts for major components, including the LIB pack, the inverter, and the balance of system (BOS) needed for the installation.
Do battery storage technologies use financial assumptions?
The battery storage technologies do not calculate levelized cost of energy (LCOE) or levelized cost of storage (LCOS) and so do not use financial assumptions. Therefore, all parameters are the same for the research and development (R&D) and Markets & Policies Financials cases.
How much will a battery cost in ?
Lower Battery Pack Costs: Battery costs can fall to $50-60/kWh by , accompanied by the corresponding reduction in BESS capital costs. Market Maturity & Competition: Higher numbers of manufacturers in the market will drive down costs.
Though the battery pack is a significant cost portion, it is a minority of the cost of the battery system. The costs for a 4-hour utility-scale stand-alone battery are detailed in Figure 1.
The National Renewable Energy Laboratory's (NREL's) Storage Futures Study examined energy storage costs broadly and the cost and performance of LIBs specifically (Augustine and Blair, ). The costs presented here (and for distributed residential storage and distributed commercial storage) are
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