Mon. Jun 24th, 2019

Idaho Power announces record-low price for power from solar farm

Idaho Power announces record-low price for power from solar farm

Enlarge / Large power lines transport power outside Milford, Utah. (credit: George Frey / Getty Images)

Idaho Power announced recently that it had secured a 20-year deal to buy power from a 120MW solar farm being built by a company called Jackpot Holdings for $21.75 per megawatt-hour (MWh). The price is less than 2.2 cents per kilowatt-hour (kWh), which appears to be a record-low price for solar energy in the United States.

The price isn’t a perfect reflection of solar panel cost—Idaho Power’s price is as low as it is because Jackpot Holdings is taking advantage of a federal subsidy in the form of the solar Investment Tax Credit (ITC), which is set to begin phasing out in coming years. Still, industry watcher and investor Ramez Naam tweeted last night that, without the ITC, he estimates the price per kWh for the project would be about 3 cents per kWh, which is still extremely cheap.

Just two years ago, the Department of Energy (DOE) announced that the average utility-grade solar project in the US had hit 6 cents per kWh, achieving the DOE’s national goal three years early. Last October, Nature Energy published a paper investigating whether super-cheap, 3-cents-per-kWh solar prices in the Middle East reflected actual cost or simply existed as loss leaders and subsidy vehicles in oil-rich countries. (Spoiler: the researchers found that 3-cents-per-kWh prices were possible and rational in the Middle East.)

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