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The amount of renewable electricity being bought voluntarily has increased nearly 300% since 2010, according to new data from the Energy Department’s National Renewable Energy Laboratory.

Expand chart
Data: National Renewable Energy Laboratory; Chart: Naema Ahmed/Axios

Why it matters: The trend reflects the increasing availability and affordability of wind and solar electricity, energy sources that have grown from almost nothing a decade ago to nearly 9% of all electricity today.

By the numbers: In 2018, 134 million megawatt hours of renewable electricity — mostly wind and solar — were purchased above and beyond state-level mandates. That's about 3% of all electricity sales in the U.S.

One level deeper: Companies, led by Big Tech firms, are the biggest buyers of the power, but 75% of all customers are actually individuals buying tiny amounts of electricity.

Go deeper: How I'm trying to get greener and cheaper electricity

Go deeper

3 hours ago - Health

CDC director says politics didn't play a role in abrupt mask policy shift

Centers for Disease Control and Prevention Director Rochelle Walensky told Fox News Sunday that political pressure had nothing to do with the agency's sudden announcement that fully vaccinated Americans can go without masks in most indoor settings.

Why it matters: Emerging evidence shows vaccinated people are less likely to transmit the virus, as COVID-19 cases and deaths drop. But the responsibility to uphold the abrupt policy change falls to individuals and businesses.

Biden’s danger: The great overreaction

Some Democrats and economists have begun to worry that President Biden, intent on FDR-like transformation of a wounded America, is doing too much, too fast.

Why it matters: Some economists fear that all this spending will crank up inflation, and put Biden’s economic legacy at risk.