Aug 29, 2016 by admin Category: News 0 comments

How Much Energy Storage Would Be Needed for California to Reach 50 Percent Solar?

About 11 times more than the state is currently building—as well as a much more flexible grid.
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A new study outlines California’s prospective renewable mandate and how it will effect the price of solar and energy storage. Greentech Media Writes:

If California wants to continue increasing its share of solar power on the grid, it will need greater capacity to store it. The question remains: how much?

A new study from the National Renewable Energy Laboratory attempts to quantify the answer. The authors model several scenarios in which the California grid generates 50 percent of its power from solar by 2030. To do so will require some pretty major changes, including more flexible baseload generation, as well as more deployment of electric vehicles, exports to other states and demand response.

Those can only go so far, though. To meet the 50 percent photovoltaic threshold economically will require energy storage. The state already has 3,100 megawatts of pumped storage, with 1,325 megawatts of additional storage set to be deployed by 2020, per the state mandate. Under the most optimistic flexible grid scenario and with PV prices falling rapidly to 3 cents per kilowatt-hour, California will need another 15 gigawatts of storage by 2030.

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