A comprehensive up-to-date list of all battery energy storage systems (BESS) for grid/utility, commercial, and residential consumer applications. BESS equipment and installation costs have a 30% tax credit under the Inflation Reduction Act
Grid/utility battery energy storage vendors
Residential battery storage power vendors
Portable battery power vendors
Power and Energy Density Table
Table shows the clear advantages of using lithium-ion batteries for energy storage systems. Power and energy density values (given in volumetric liter units) are off the charts compared to other commonly-used storage technologies for commercial/grid applications.
| Technology |
Power density (W/L) |
Energy density (Wh/L) |
| Pumped hydro (PHS) |
0.1 - 0.2 |
0.2 - 2 |
| Compressed air (CAES) |
0.2 - 0.6 |
2-6 |
| Lead acid battery |
90 - 700 |
50 - 80 |
| Lithium ion battery |
1,300 - 10,000 |
200 - 400 |