Clean energy has reached a tipping point: It’s now cheaper to build and use a combination of wind, solar, batteries, and other clean tech in the U.S. than to build most proposed natural gas plants. Utilities want to spend $90 billion to build new gas plants and $30 billion to build new gas pipelines—but if they used renewables instead, consumers could save $29 billion in electricity bills, according to a new report from the nonprofit Rocky Mountain Institute.

“In 2019, given what is needed on the grid today, we show that these technologies have crossed the line and become the cheapest way to add electricity to the grid,” says Chaz Teplin, a manager in RMI’s electricity practice. “Going forward, that case is going to only accelerate because while the price of natural gas, for example, may fluctuate up and down, the cost to install new renewables is only going to continue to decrease.”

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