Latest reporting
How energy is changing. What it means for you.
Explainer · Solar
The same 6-kW system in four cities. A typical-year model shows how location changes production.
Modeled annual electricity · kWh
Typical-year estimate, not measured 2026 output. Same south-facing roof, 20° tilt and 14% losses. Source: PVWatts V8.
Explore the monthly chart & assumptions →September 17, 2026 · Model basis Modeled typical year
Trend · Electricity bills
Texas drove 43% of a decade’s net U.S. electricity-sales growth. Original EIA analysis shows who used the extra power—and why cost allocation matters.
October 3, 2026 · Comparison 2015–2025 full calendar years; 2025 preliminary
Explainer · Heating and oil
NREL modeled heat-pump emissions across the US. Average savings were 2.5–4.4 metric tons CO2e per dwelling per year, with benefits in every state.
September 23, 2026 · Model horizon 2022–2038 modeled grid scenarios
Trend · Heat pumps and equipment
What the shipment data tells us—and what it cannot.
September 16, 2026 · Updated September 21, 2026 · Data through July 2026 shipments
Explainer · Electricity bills
High prices outweigh lower usage. Plus: the new winter heat-pump rates.
September 16, 2026 · Updated September 17, 2026 · Data through June 2026
Monthly report · Electricity bills
Compare prices, bills and changes over one and five years.
Latest edition September 17, 2026 · Data through June 2026
Trend · Global energy
Across 6 major economies, demand rose in 5. Clean generation outpaced that growth in 4.
September 17, 2026 · Data through June 2026
Trend · Electricity bills
Sixteen years of EIA data show the shift in household electricity costs.
September 16, 2026 · Data through June 2026
Trend · Electricity bills
A nearly flat US average hides very different state trends.
September 16, 2026 · Data through June 2026
Free tools for your bills and quotes. Your inputs stay in your browser.
Compare annual heating costs using your fuel prices and equipment.
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Solar cost guideCompare a repair quote with the cost of a complete replacement.
Find which changes could make the biggest difference at home.
Official program sources and dated reviews, state by state.
Understand Mass Save and federal programs before installing.
FrugalWatt is published by Evin Anderson, with AI assistance in research and development. Our reporting links to its data and our tools show their assumptions. How we verify · Editorial policy · RSS feed