California

Tesla acquires Maxwell Technologies

It’s unclear exactly what the interest is in the California-based supercapacitor maker, but it could be more about the process than the product.

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Renewable energy will surpass coal in the US this month and next

The volume of U.S. electricity generated by renewable energy is set to surpass the level sourced from coal for the first time this month and the trend is expected to continue in May, according to Department of Energy data.

California is learning to trust 100% residential solar power

California utility PG&E has tested levels of residential solar power up to 100% penetration, and how to mitigate the effects of voltage and thermal overload via smart inverters and traditional transformer and circuit upgrades — with smart inverters shown to allow for up to 100% penetration at cost-effective pricing.

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California just made more clean energy than it needed

The state grid operator has shown that for most of the period between 1:50 PM and 3:05 PM on Sunday, more carbon emission-free electricity than users demanded was generated in its region.

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US presidential hopeful calls for huge increase in renewables on public lands

Senator and 2020 candidate Elizabeth Warren has announced plans for a targeted expansion of renewable energy development on public lands along with a moratorium on new fossil fuel leases.

Washington state’s 100% renewables bill passes both Houses

Washington is looking to become the fourth state to make the move to 100% renewable electricity, with only a senate review and the hand of Governor Inslee left in the path of SB 5116.

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California’s solar power record setting season is here

The state grid operator reported breaking 11 GW of instantaneous power from large scale solar on Saturday at 1.50pm. Just 20 minutes earlier, the CAISO grid was exporting a record 1.5 GW of electricity, and last Wednesday it hit 93% clean electricity for a moment.

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Big batteries are coming to California

Macquarie has closed on funding for a third portion of a 340 MWh project in Southern California, and LADWP is planning 1.8 GW of batteries.

Water, water everywhere, nor any drop to… split?

Researchers at Stanford University have developed a type of electrode which is highly resistant to salt corrosion, therefore allowing them to produce hydrogen using seawater. Applied at a larger scale, this development could potentially cut the cost of power-to-gas applications by greatly increasing the amount of water available.

Californian solar output met 59% of demand at one point on Saturday

On Saturday afternoon, utility-scale solar output on California’s grid peaked at 10,745 MW – its highest level since last summer. More importantly, California is wringing greater flexibility out of its imports, meaning more renewables with less curtailment.

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