Solar + Wind Beat Coal: The Stranded Asset Collapse

Something historic happened in 2024, and most homeowners missed it: wind and solar combined generated more electricity in the United States than coal — for the first time ever. According to the U.S. Energy Information Administration, wind and solar produced roughly 757 terawatt-hours (TWh) of electricity in 2024, surpassing coal's 653 TWh [EIA Monthly Electric Power, 2025].

This isn't a headline. It's a turning point. And it quietly rewrites the economics of every utility bill in America — including yours.

The Milestone by the Numbers

For context, coal generated more than 50% of U.S. electricity as recently as 2007. By 2024, coal's share had collapsed to around 15%, while wind and solar climbed above 17% combined [EIA Today in Energy]. Solar alone grew roughly 27% year over year, adding more new generating capacity than any other source.

The shift wasn't caused by regulation. It was caused by cost.

Wright's Law: Why Solar Keeps Winning

Solar follows a well-documented economic pattern called Wright's Law (also called the learning curve). Every time cumulative solar capacity doubles globally, the unit cost drops by roughly 20%. This isn't a prediction — it's been observed consistently since the 1970s [Our World in Data, Learning Curves].

The numbers today are striking. According to the most recent Lazard Levelized Cost of Energy Analysis:

• Utility-scale solar: $29–$92/MWh
• Onshore wind: $27–$73/MWh
• New-build coal: $69–$168/MWh
• Marginal cost of existing coal: often higher than building brand-new solar

Source: Lazard LCOE+ 2024.

Read that last bullet again. In many U.S. regions, it's now cheaper to build a new solar farm from scratch than to keep running a coal plant that's already paid off. BloombergNEF's New Energy Outlook reaches the same conclusion: solar and wind are the cheapest source of new bulk electricity in markets representing over two-thirds of the world's population [BNEF NEO 2024].

Why Coal Became a Stranded Asset

When a power plant costs more to operate than its replacement costs to build, it becomes what economists call a stranded asset — infrastructure that still exists but can no longer earn back its own operating costs. Coal is now the textbook example.

1. Banks Stopped Financing It

Most of the major U.S. and global banks — including JPMorgan Chase, Goldman Sachs, Citi, Bank of America, Morgan Stanley, and Wells Fargo — have adopted policies restricting financing for new thermal coal projects or mountaintop-removal coal mining [Banking on Climate Chaos 2024 Report]. Without capital, coal plants can't be built — or refinanced.

2. Insurers Are Pulling Coverage

Swiss Re, Munich Re, Allianz, AXA, and large Lloyd's of London syndicates have all announced exits or major restrictions on underwriting new coal projects [Insure Our Future Scorecard]. An uninsurable asset is, effectively, unfinanceable.

3. Utilities Are Writing Coal Down Early

U.S. utilities have accelerated coal retirements because the economics no longer pencil out. Lawrence Berkeley National Laboratory found that aging coal plants are increasingly undercut by nearby solar and wind, forcing early closures years before their planned retirement dates [LBNL Electricity Markets & Policy].

4. The Fuel Itself Is Getting More Expensive

Coal extraction, transport, and emissions-compliance costs keep rising while solar and battery costs keep falling. One line trends down; the other trends up. They already crossed.

What This Means for Your Electricity Bill

Here's the part most articles miss: this macro shift lands directly on your monthly utility statement.

When utilities operate uneconomic coal plants, those losses don't vanish — they get passed to ratepayers through rate cases approved by state public utility commissions. The U.S. Department of Energy has documented that retail electricity prices rose roughly 22% between 2021 and 2024, far faster than inflation in most regions [U.S. DOE].

Meanwhile, a homeowner with solar + battery locks in a fixed, predictable cost of electricity for 25+ years. You become insulated from:

• Rate hikes driven by stranded coal write-downs
• Fuel-price volatility (natural gas spikes, coal transportation costs)
• Grid reliability issues during peak demand events
• Time-of-use rate restructuring that penalizes evening usage

In other words: while utilities pay off the past, solar homeowners pre-pay the future — at a fixed, known cost.

The Policy Landscape in 2026

It's worth being precise here because the rules changed recently. The federal 30% Residential Clean Energy Credit for purchased solar and battery systems expired at the end of 2025. However, third-party-owned systems — solar leases and Power Purchase Agreements (PPAs) — still qualify under the Investment Tax Credit framework because the tax credit flows to the system owner (the lease/PPA provider), who typically passes savings through in the form of a lower rate [SEIA ITC Overview].

State-level incentives, net metering rules, and local utility rebates vary widely. To see what's still available in your area, use the EnergyScout Solar + Battery Incentives ZIP Code Search.

What Smart Homeowners Are Doing Now

The end of the federal purchase ITC didn't kill residential solar — it reshaped it. Here's what the data shows high-performing homeowners are doing in 2026:

1. Comparing Ownership Models Honestly

With the 30% ITC gone for purchases, lease and PPA structures are now more competitive than they've been in years. A lease/PPA may still deliver immediate bill savings with zero upfront cost, while a cash purchase has a longer payback but higher lifetime value. Neither is universally "right" — it depends on your tax situation, home equity plans, and electricity rate trajectory. EnergySage reports that the average U.S. homeowner still cuts their electricity bill by 40–70% with solar, depending on system size and local rates [EnergySage Solar Marketplace Report].

2. Prioritizing Battery Storage

As more states shift to time-of-use rates and net billing (instead of full net metering), batteries have become the difference between a 6-year payback and a 12-year one. California's NEM 3.0 transition under the CPUC dramatically increased the value of on-site storage [CPUC Net Energy Metering].

3. Vetting Installers Carefully

As demand shifts, fly-by-night installers follow the money. Always compare multiple quotes, verify licenses and insurance, and read real customer reviews. EnergyScout's Provider Directory is a good starting point.

A Quick Reality Check on Grid Reliability

Critics argue that intermittent wind and solar can't replace "always-on" coal. The data tells a different story. Texas — which leads the nation in wind generation and is rapidly adding grid-scale solar and batteries — has seen its grid become more resilient during extreme heat events, not less, as battery storage has come online to cover evening peaks [EIA Texas Grid Analysis]. Grid-scale batteries, paired with rooftop solar-plus-storage, are doing exactly what coal "baseload" used to do — but at a fraction of the cost and without fuel-price volatility.

For homeowners, this is why a solar + battery combination — not solar alone — has become the default recommendation in most markets. Batteries turn an intermittent resource into a dispatchable one, on your own roof.

The Bottom Line

Coal didn't lose because of politics. It lost because of math — the same Wright's Law math that's been pricing it out for 15 years. The crossover happened in 2024, and it won't reverse. The National Renewable Energy Laboratory projects solar and storage will continue to dominate new capacity additions through 2030 and beyond [NREL Standard Scenarios].

For homeowners, the question isn't whether solar wins. That's settled. The question is whether you lock in today's economics — or pay a decade of stranded-coal write-downs on your utility bill first.

Your Next Step

Find out exactly what solar + battery would save you at your address — no sales calls, no spam, just data. Start with our free Home Energy Assessment, or explore current incentives with the ZIP Code Incentives Search.

The era of cheap coal power is over. The era of fixed, homeowner-owned energy has just begun.