It’s a great time to buy a solar generator

I’ve been interested in solar generators for a long while, but very few of them ever felt worthy of specific comment. Many of them historically boasted of running laptops, TVs or coolers, but their constrained outputs made them incapable of powering kettles, washing machines or air conditioners. CES 2024 has shown that the industry has moved beyond those limitations, with newer units capable of fulfilling the promise inherent in their names.

Take the new EcoFlow Delta Pro Ultra, the company’s flagship whole-home backup, which can pump out 7,200W. The company claims the unit is strong enough to power a three ton central air unit, one of the most demanding appliances in the home. Plus, because it’s a modular design, you can add up to three of these units to the same home for a cumulative output of 21.6kW — and, with enough batteries, a total storage capacity of 90kWh.

Solix, Anker’s big battery division, was here at CES showing off its new F3800 portable power station. The company moved into the home battery market in the summer of 2023 but even something designed to be wheeled around is shorn of the older limitations. The F3800 can pump out a peak of 6,000W – a figure you can double if you buy two – enough to add juice to an EV in a pinch. And, best of all, it’s currently available to buy for $3,499 which, depending on how much solar you pair it with, should mean payback considerations are less than five years.

Jackery, which has been a name in this market for a long while, will sell you its 2000 Plus, complete with two 200W solar panels, for just $3,300. That small unit, if you use the right accessory, can be wired into your home’s breaker box and similarly has a surge peak of 6,000W. It’s not quite as muscular as some of its competitors, but the low cost means that it’s hard to argue against if you’re looking to dip a toe into this world.

Cost for solar panels and batteries have fallen dramatically in the last few years, with Our World in Data reporting that the cost of a panel has dropped from $2.32 per watt in 2010 to just $0.26 per watt in 2022. BloombergNEF reported that lithium ion battery prices have fallen from $780 per kWh in 2013 down to $139 per kWh in 2023. And it’s this that has enabled this surge in home battery uptake.

Emma Ross, who heads up communications for Jackery, says that customers are drawn to these falling prices. She added that, second to cost, the plug-and-play element of the gear is key, offering “the perfect combination of convenience and environmental friendliness.” The low cost and ease of installation means these systems “require less investment than other, larger solar options,” making it a “less intimidating” way for wary neophytes to get involved.

Nick Bowers, head of business development at EcoFlow in the US, says that consumers are frustrated with the domestic energy market. He claims rate increases, natural disasters, power outages and climate change have all driven people toward buying solar gear. “The pain points pushing people toward renewables,” he said, “will only grow more acute,” with users looking to “be less reliant on the grid.”

And the solar industry writ large is gearing up to address a surge in demand expected to come as these prices fall. Eric Villines, head of global communications at Anker, says that the only roadblock right now is the fact most homeowners aren’t investing in storage alongside their solar gear. “In 2022, only ten percent of installed home solar systems in the US included energy storage,” he told Engadget, “preventing homeowners from securing protection against blackouts.” To address this, the company surveyed users and found most were either put off by the high price, or didn’t even know that it was a viable option for them.

Which is why the knock-down prices on hardware the likes of which we’ve seen at CES 2024 is hopefully going to address some of those issues. After all, whereas some of this gear would have cost tens of thousands of dollars a few years ago, they’re now less than half that price. Perhaps these units will serve as a gateway drug to investments into more expansive whole home batteries further down the line. And that’s a good first step towards our bigger, and hopefully brighter solar future.

We're reporting live from CES 2024 in Las Vegas from January 6-12. Keep up with all the latest news from the show here.

This article originally appeared on Engadget at https://www.engadget.com/its-a-great-time-to-buy-a-solar-generator-175705763.html?src=rss

Google’s first geothermal energy project is up and running

Google says a first-of-its-kind geothermal energy project is now feeding carbon-free electricity (CFE) into the Nevada grid that powers its data centers in the area. The company says that the enhanced geothermal system (EGS) is delivering a round-the-clock supply of CFE to the grid. It's a step toward Google's goal of entirely powering its data centers and offices on CFE by 2030.

Google teamed up with clean energy startup Fervo Energy in 2021 to work on an EGS. Unlike other sources of CFE such as solar and wind, geothermal projects can operate at any time (solar projects, for instance, can only capture energy during the day). 

Fervo Energy achieved a geothermal breakthrough earlier this year when its system achieved flow and power output records for an EGS. It was capable of producing 3.5 megawatts of electricity — enough to power around 2,600 homes. That test result was said to be the first time an energy company proved an EGS is capable of working on a commercial scale.

Scientists have been trying to make an EGS work since the 1970s. A natural geothermal system requires a blend of heat, rock permeability and fluid to generate electricity. In areas where there's sufficient heat but not enough permeability, an EGS creates the latter by drilling deep into the earth and injecting fluid to create fractures in the rock.

At its Nevada site, Fervo drilled 8,000 feet into the ground, then extended the well horizontally to reach more of the hot reservoir. It drilled a second horizontal well to intersect the fractures in the rock. The company pumps cold water from the first well through the fractures into the second well. The water absorbs heat from the surrounding rock. This is used to generate steam and that produces CFE.

The Department of Energy has acknowledged that, unlike with gas and oil fracking, EGS poses a low risk of water contamination. EGS reservoirs are typically much deeper in the ground than oil and gas reservoirs and aren't close to groundwater or near-surface drinking water supplies. Geothermal power plants don't release any water on the surface either.

A 2019 report by the DOE found that — through advancements in technology as well as in policy and procurement — EGS could generate up to 120 gigawatts of clean energy by 2050. That would be enough to cover over 16 percent of the US' expected electricity needs.

Google says it's working to accelerate adoption of EGS as a clean energy solution. To that end, it recently teamed up with Project InnerSpace, a non-profit organization that's focused on removing barriers that are limiting the global development of geothermal energy. Fervo, meanwhile, is building an EGS site in Utah that it expects to deliver 400 megawatts of 24/7 carbon-free electricity — enough to power as many as 300,000 homes. Fervo says that site will start delivering power to the grid in 2026 and reach full-scale production two years later.

This article originally appeared on Engadget at https://www.engadget.com/googles-first-geothermal-energy-project-is-up-and-running-162630603.html?src=rss