Large-scale solar energy installations are a relatively new form of development in many rural areas. Solar energy development can create clean energy, jobs, and other economic benefits in these communities.
Solar battery systems store energy from solar panels through a process that involves capturing, converting, and storing electricity for later use.
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The National Renewable Energy Laboratory (NREL) publishes benchmark reports that disaggregate photovoltaic (PV) and energy storage (battery) system installation costs to inform SETO's R&D investment decisions. This year, we introduce a new PV and storage cost .
While the energy storage capacity of grid batteries is still small compared to the other major form of grid storage, with 200 GW power and 9000 GWh energy storage worldwide as of 2025 according to, the battery market is catching up very fast in terms of power generation capacity as price drops. Average world system price was around $120/kWh in 2025.
