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Illustration: Sarah Grillo/Axios

A new analysis finds good news and challenges for a growing movement to better align corporate and government energy procurement with carbon-free power.

The big picture: Princeton researchers sized up the effects of commercial and industrial buyers ensuring their facilities' demand is met around-the-clock with zero-carbon resources.

  • That's different — and much harder — than various companies' and local governments' initiatives to procure enough renewable power to match annual demand.
  • That's because while matching aggregate usage — often via "renewable energy certificates" — drives renewables deployment, it still means pulling power from grids with fossil fuels.

What they found: 24/7 clean procurement will help create a portfolio of "clean firm" resources that complement intermittent wind and solar — like long-duration storage, geothermal, advanced nuclear and gas with CO2 capture.

It also finds users' 24/7 clean procurement punches above its weight on climate benefits because it "accelerates full-scale transformation of electricity grids."

Catch up fast: The paper comes as a limited but growing number of big energy users are looking to match their consumption of some facilities on an hourly basis with clean power.

  • They include Google, which has a target of having all its operations run round-the-clock on carbon-free power by 2030, and Microsoft.
  • Google (which funded the research) says it's making progress, and for instance, in May announced a deal with AES to provide Northern Virginia data centers with 90% power from zero-emissions sources on an hourly basis.

Yes, but: There's a "potentially significant cost premium for early leaders, a premium paid to accelerate innovation, maturity, financeability, and widespread availability of clean firm resources."

Go deeper: Canary Media dives deep into the topic.

Go deeper

Your electric car could become a virtual power plant

Illustration: Megan Robinson/Axios

That electric car parked in your driveway may soon be more than a fun, emissions-free ride. When lashed together in the cloud with other EVs in your neighborhood, it could help utilities manage electricity demand in your community.

Why it matters: Massive growth in electric vehicle adoption which is widely expected — means that more car owners will be plugging in at home, putting pressure on America's electric grid but creating power-sharing opportunities at the same time.

  • Emerging smart-charging technologies aim to build in more flexibility so grid upgrades aren't needed and EV owners will have all the juice they need.

What's happening: EV owners can earn rebates and cash rewards from smart-charging programs by letting utilities control when their car is charged based on overall electricity demand.

  • In Texas, for example, about 1,000 EV owners participate in a smart-charging project with the Electric Reliability Council of Texas (ERCOT).
  • Together, those cars serve as a cloud-based "virtual power plant" that ERCOT can use to suck or store energy during demand peaks and valleys.
  • In Wisconsin, Madison Gas and Electric shifts charging times for 200 EVs to off-peak hours so they can soak up renewable energy generated overnight by wind farms.
  • Both utilities license the smart-charging technology from a London-based company called ev.energy, which has offices in Palo Alto.

The big picture: EV owners do more than 80% of their charging at home, according to a BloombergNEF analysis of ev.energy data from more than 1 million at-home charging sessions in the U.S., U.K. and Europe.

  • Most of them plug in after work, start charging right away, and stay plugged in overnight, often setting the departure time for their morning commute.

Yes, but: The typical charging session requires just a little top-off — 2.5 hours of charging — which means most EVs are drawing energy in the early evening when residential demand is at its peak and electricity rates are highest.

Smart-charging technology can delay charging until demand has gone down, and greener, cheaper energy is more readily available.

  • That lets utilities balance electricity demand while also maximizing the use of renewable energy and putting more money in EV owners' pockets.
  • An EV owner in California could save an estimated $600 per year charging at off-peak times, BNEF found.

How it works: EV owners plug in their car, set a departure time using ev.energy's app, and let the utility figure out the ideal charging time based on a 24-hour forecast of energy demand.

  • If necessary, the software will pause charging at the utility's request, then resume later.
  • Car owners' flexibility earns them rebates or cash rewards of $5 or $10 a month.

The utility will never drain the car's battery, says Joseph Vellone, head of North America for ev.energy. "Your departure time is the holy grail."

  • "The electricity system is incredibly complex. EV buyers can’t be bothered to immerse themselves in this complexity. We ask them one question: What time do you need your car charged by?"

Editor's note: This story has been corrected to show that Madison Gas and Electric shifts charging times for 200 EVs to off-peak hours for maximum efficiency, not 2,000 EVs. A partner company, ev.energy, reached out to say there was a numerical mistake in the report it shared with Axios.

Movie theaters go out of style

Illustration: Sarah Grillo/Axios

Vaccination rates are going up, people are going out to restaurants again — although the new COVID variant may get in the way — but they still aren't rushing back to the movies.

By the numbers: Some 49% of pre-pandemic moviegoers are no longer hitting theaters, according to a study from the film research company The Quorum, as reported by the New York Times.

2 hours ago - Health

Vaccine mandates lose steam in the U.S. while Europe doubles down

Illustration: Sarah Grillo/Axios

European countries are doubling down on pressure campaigns to get people vaccinated just as Republicans continue to wage war — often successfully — against vaccine mandates in the U.S.

Why it matters: The starkly different approaches create a sharp contrast between the regions' approaches to vaccination, even as the Omicron variant rapidly spreads around the world.

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