Maine held the widest four-hour spreads in both markets: <b>$263/MW-day</b> real-time, <b>$138</b> day-ahead

Maine held the widest four-hour spreads in both markets: $263/MW-day real-time, $138 day-ahead

Average four-hour TB spread by load zone, May 2026 vs May 2025 ($/MW-day). Toggle market and year.