Bibliography
1. City of Portsmouth. Community Power Coalition Rate Announcements , 2024–2026. Municipal notices documenting electricity supply rates for Portsmouth residents enrolled in community power.
2. Unitil Corporation. New Hampshire Residential Gas Rate Filings , 2024–2026. Utility tariff filings detailing residential heating rates and cost-of-gas adjustments.
3. WMUR News. “Heating Demand Highest in 12 Years After Cold Start to Winter.” February 2026. Reporting on heating-degree-day data and below-average winter temperatures across New Hampshire.