Batteries are beginning to participate in SPP's Ancillary Service markets

Monthly battery share of SPP day-ahead ancillary service clearings (%)
Source: FERC EQR, SPP
Note: Each bar shows the battery share of Ancillary Service volume procured in SPP. Volume shares are measured as the monthly sum of battery MW-hours committed divided by the total Day-Ahead market cleared for each product.
MODOENERGY