
WEM battery revenues rose in May 2026, and merchant revenue returns to positive
In May 2026, grid-scale battery revenues in the Wholesale Electricity Market rose 30% month-on-month to $49k/MW/year. The increase came as daily price spreads widened, with the 2-hour spread rising 20% to $89/MWh from $74/MWh in April.The merchant co...11 Jun 2026



