Renewables including solar are expected to account for 26% of total microgrid capacity in the US by 2020, up from just 6% today, according to GTM Research’s latest report.
The study, 'North American Microgrids 2015: Advancing Beyond Local Energy Optimization' found that cumulative investment in microgrids in the country will go beyond US$3.5 billion by 2040, with a total microgrid capacity of 2.8GW.
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Omar Saadeh, senior grid analyst at GTM Research, told PV Tech that a growth in microgrids using solar over the coming years can be attributed to substantial cost decreases in PV and better integration methodologies.
He added: “The price point for those technologies is decreasing such that a microgrid can be seen as a more economically viable platform to integrate Distributed Energy Resources (DERs).”
There are also state initiatives promoting such technology in Massachusetts, New York and California with Connecticut introducing initiatives a few years ago.
A GTM statement said: “As solar PV adoption rates increase, flexible micro-grid solutions are becoming a significant component of renewable integration strategies in regions extending beyond high penetration states such as Hawaii and California.”
Saadeh said that various value propositions for micro-grids are seeing “substantial traction” at the moment. For example micro-grids can be used with critical infrastructure to keep the power on at a hospital or with large commercial customers that need to keep their operations running to meet their end goals.
Saadeh said that 44% of US Microgrids now include energy storage, of which 92% has been commissioned since 2012, suggesting a substantial increase in the value proposition of energy storage within microgrids.
