February marked an early 2026 turning point in France’s electricity market, with negative prices emerging for the first time, intraday volatility spiking, and battery energy storage systems (BESS) capturing growing revenue opportunities. March 6, 2026 Gwénaëlle Deboutte Image: Storio Energy From pv magazine France Storio Energy, a B2B battery energy storage company, has published its updated electricity price observatory for February 2026. After a tense January, February showed early late-wi...