Energy Storage Growth Clumpy But Broad in 2019, Next Year It Triples

on December 3, 2019

Wood Mackenzie Renewables & Power and the Energy Storage Association have released their US Energy Storage Monitor, which showed that in 100.7 MW / 264 MWh were deployed across the country in Q3’19. The quarter was the highest Q3 so far, and outside of massive months where utility scale projects dominated, is at the end of consistent growth (red line added by pv magazine USA) when combining the various ups and downs of markets.

For battery power, it was the fifth highest volume deployed while battery capacity was the third highest month.

The research group noted 32% growth in megawatts deployed over Q2’19 in the above image, while below they show 59% growth over the prior quarter in terms of megawatt-hours deployed. The 59% was driven by longer duration in front of the meter installations by utilities. Future projects have already signed much longer hourly ratios, with certain developers seeking 24 hour solar – so expect that battery capacity may outgrow battery power.

The document saw the various markets grow in their own patterns. Residential energy storage has consistently grown since a late last year slump due to supply challenges. More growth is projected to come from California due to the power safety shutdowns. The commercial sector has seen two straight months of pull back after a big Q4-Q1’19, no reason was noted. Of course, the wild card is the utility scale sector – whose peaks historically set the record months.

State wise, the Massachusetts SMART program was the quarter’s clear leader for front of the meter deployments at 58 MWh, with Vermont (always smart with storage) and, surprisingly to this author, Arkansas tied for second place at 24 MWh each. California, Hawaii led the residential energy and commercial energy storage markets with with roughly similar volumes each deployed. Considering California is over 25 greater than Hawaii, but only outpacing by 4-5X, its pretty obvious Hawaii is making some serious moves.

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Fractal Energy Storage ConsultantsEnergy Storage Growth Clumpy But Broad in 2019, Next Year It Triples