Fact Check: Is Renewable Energy Now Cheaper Than Fossil Fuels?

The political debate over energy costs often relies on outdated assumptions from a decade ago, when green energy required heavy subsidies to compete. Today, as grid demands surge to power data centers and electric vehicles, policymakers and taxpayers are asking a fundamental question: Is it actually cheaper to build and run renewable energy than fossil fuels in 2026?[7]

The short answer is yes. According to the 2025 Levelized Cost of Energy (LCOE+) report by the financial advisory firm Lazard, utility-scale solar and onshore wind remain the most cost-competitive forms of new-build generation on the market today.[1]

Crucially, this calculation is "unsubsidized." This means that even before factoring in government tax credits—such as those provided by the U.S. Inflation Reduction Act—building a new solar or wind farm is cheaper per megawatt-hour than building a new coal or combined-cycle gas turbine plant.[1][7]

The evidence from the International Energy Agency (IEA) corroborates this economic shift. In its World Energy Investment 2026 report, the IEA found that global energy investment is set to reach $3.4 trillion this year, with roughly $2.2 trillion flowing into clean energy compared to just $1.2 trillion for oil, gas, and coal.[2][4]

A common counter-argument is that fossil fuels only look expensive because they lack the subsidies given to green energy. However, the IEA analysis stacked fossil fuel consumption subsidies on top of investment and found that clean energy still leads the global market by a wide margin.[2][4]

Another major claim frequently tested by fact-checkers is the storage caveat: "Renewables are cheap, but the batteries required to store the power for nighttime use make the overall system too expensive." While this was a valid concern a few years ago, the data has rapidly shifted.[7]

Lazard's 2025 analysis noted "notable declines" in the levelized cost of storage (LCOS) for battery systems. A 100-megawatt utility-scale standalone battery system saw its costs drop significantly over the past year, driven by an oversupply of battery cells and technological advances in energy density.[1][5]

Australia's national science agency, CSIRO, modeled this exact scenario in its annual GenCost study. They found that even when accounting for the costs of "firming" the grid—adding battery storage and new transmission lines to back up intermittent wind and solar—renewables still deliver the lowest cost pathway compared to coal, gas, or nuclear power.[6]

How is this impacting the U.S. grid? The U.S. Energy Information Administration's (EIA) Annual Energy Outlook 2026 projects that natural gas, solar, and wind will supply the vast majority of capacity growth through 2050.[3]

The EIA notes that data center load is emerging as the dominant driver of long-term U.S. electricity growth. To meet this surging demand quickly, the most cost-effective resources being deployed by utility companies are renewables paired with large-scale battery storage.[3]

However, there is transparent uncertainty regarding the legacy grid. While new renewable plants are cheaper than new fossil fuel plants, operating existing, fully depreciated baseload gas generation can still be highly cost-competitive in the short term, especially when natural gas prices are low.[1][7]

Furthermore, the cost of building new combined-cycle gas turbines has reached a 10-year high. Lazard attributes this to turbine shortages, rising material costs, and long delivery times, which further widens the economic gap between new fossil fuel projects and new renewable installations.[1]

Ultimately, energy experts note that the transition is not just a one-to-one swap of fuels, but a shift to a fundamentally more efficient system. Electrified technologies, such as electric motors and heat pumps, use significantly less raw energy to produce the same output as combustion engines, meaning the total energy required to run the economy shrinks.[4][7]

The consensus across financial analysts, national science agencies, and global energy watchdogs is clear: the economic tipping point has been crossed. Driven by manufacturing scale and technological innovation, the sun and wind are now the cheapest ways to power the modern economy.[1][2][6][7]