The solar power pipeline is already popping, now the batteries needed to get us to 80% with wind+solar are starting to get down to the mad and exponential growth we’re told to expect.
Per the US Energy Storage Monitor, from Wood Mackenzie Renewables & Power along with the Energy Storage Association (ESA), total energy storage deployed expanded by 60% in terms of energy and 300% on a power basis in the third quarter of 2018 versus the prior year. However, given a strong Q2 both volumes as measured by energy and power were flat or declining in Q3 ’18 versus the previous quarter.
In total, 61.3 MW / 136.3 MWh of energy storage was installed during Q3 2018. California continued to achor the market, while Hawaii and New York had strong quarters. Behind the meter installations accounted for around 57-60% of the volume on a power basis deployed.
Going out mostly until 2023, the report noted that the front of the meter pipeline expanded to approximately 33 GW of power. This pipeline more than doubled from just over 15 GW reported at the end of the second quarter.
This pipeline does not include behind the meter deployments, and as noted in this report these represented approximately 60% of the volume this quarter. Future growth is expected to heavily expand on the utility scale.
For instance, PG&E recently approved four energy storage projects totalling 567 MW / 2.64 GWh. These include a 300 MW / 1200 MWh system by Vistra Energy, and a 182.5 MW / 1,095 MWh six hour system by Tesla, which are the largest battery projects seen by pv magazine USA staff in the United States to date.
The report estimates that $474 million worth of energy storage will be installed in 2018, and that by 2023, it will break $4.5 billion, representing 10X revenue growth over five years.
The report also suggested that the start of Massachusetts’ SMART program represents a “massive near term opportunity for solar-plus-storage”. The report forecasts that the program will lead toward 80 MW of energy storage installed in total, with Massachusetts’ installed storage expected to grow from 5.4 MW in 2018 to 54 MW in 2019.
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