We know energy storage is coming. The question is: How much and how fast? Tesla showed us that they’d rather build cars versus energy storage installations, and that makes sense since more than 90% of their revenue is from cars. And Bloomberg recently reminded us that the whole of the industry is in a situation of greater demand than supply. Nonetheless, the potential is there and the manufacturing capacity is growing immensely.
In a report commissioned by the Public Utilities Commission of Nevada and Nevada Governor’s Office of Energy, the Brattle Group found that over the next year and a half 175 MW / 700 megawatt-hours (MWh) of energy storage could be deployed while saving money for ratepayers. The Economic Potential for Energy Storage in Nevada (92 page PDF), also found that by 2030 – depending on how pricing moves – 700 to 1,000 MW of energy storage can be effectively deployed. Additionally volume could be found behind-the-meter, as deployments could range from 30 to 40 MW / 120 to 160 MWh by 2030.
These numbers are particularly interesting in light of Warren Buffet’s NV Energy recently signing contracts including 100 MW / 400 MWh of energy storage.
The report made its judgments on value of the energy storage based on power grid benefits (noted on the right of the chart above). What was not included in the chart below were the societal emissions-related impacts of up to $10.6 million per year in 2020, and $27 million a year in 2030, as these items aren’t reflected in electricity bills.
The report suggests there is also a chance to expand the volumes deployed by large amounts with ever so slight adjustments in how we recognize the value provided by energy storage or through declines in the cost of deploying energy storage. The report also notes that if a regional market develops, beyond 1,000 MW is a possibility.
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