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New study reaches a stunning conclusion about the cost of solar and wind energy

New study reaches a stunning conclusion about the cost of solar and wind energy

By Joe Romm

Credit: Patrick Pleul

Building new renewables is now cheaper than just running old coal and nuclear plants.

In one of the fastest and most astonishing turnarounds in the history of energy, building and running new renewable energy is now cheaper than just running existing coal and nuclear plants in many areas.

A widely-used yearly benchmarking study — the Levelized Cost of Energy Analysis (LCOE) from the financial firm Lazard Ltd. — reached this stunning conclusion: In many regions “the full-lifecycle costs of building and operating renewables-based projects have dropped below the operating costs alone of conventional generation technologies such as coal or nuclear.”

But Lazard also makes a key global point: It’s more expensive to operate conventional energy sources in the developing world than it is in the United States. So the advantage renewables have over conventional sources is even larger in the rapidly growing electricity markets like India and China.

Since power from new renewables is cheaper than power from existing coal and nuclear, it’s no surprise that the lifetime cost of new renewables is much cheaper than new coal and nuclear power. And that gap is growing.

Indeed, as Lazard shows in this remarkable chart, while solar and wind have dropped dramatically in price since 2009, nuclear power has simply priced itself out of the market for new power.

The lifecycle cost of electricity from new nuclear plants is now $148 per megawatt-hour, or 14.8 cents per kilowatt-hour, while it is 5 c/kwh for utility scale solar and 4.5 c/kwh for wind. By comparison, the average price for electricity in United States is 11 cents per kWh.

So it’s no big shock that there’s only one new nuclear power plant still being built in the United States — or that even existing power plants are struggling to stay competitive.

Indeed, over half of all existing U.S. nuclear power plants are “bleeding cash,” according to a Bloomberg New Energy Finance report released earlier this summer. Even the draft report from the U.S. Department of Energy staff for Secretary Rick Perry conceded that coal and nuclear are simply no longer economic.

Right now, as the chart above shows, new solar and wind are actually cheaper than new gas plants. The variability of solar and wind still give new gas power an edge in some markets. But with the price of electricity storage, especially lithium-ion batteries, coming down sharply, the future of renewable energy is sunnier than ever.

By Joe Romm originally from ThinkProgress

Posted in One Million Climate Jobs, Renewable Energy

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