Getting California’s Microgrids Interconnected Is Even More Important Now

on March 26, 2020

California began a policy focus on microgrids earlier this year, as a possible mitigation for the expected wildfires and perhaps even more severe power shutdowns this coming fire season. The idea is that microgrids – basically generating needed power onsite and being able to operate even if the larger grid goes down – can help keep the lights and essential power on for homes, businesses and key facilities like hospitals and other medical facilities, as well as government buildings or any business that feels that it is important to have power even when the grid is down.

The new proceeding at the Public Utilities Commission (PUC), R.19-09-009, has a number of tracks focused on different policy issues. Track 1 is near-term, dealing with possible solutions that can be implemented this year in time to help reduce the severity of the upcoming power shutdown events this summer.

The Commission has made it clear that this proceeding is a very high priority and if they are able to get some solutions in place by this summer, it may well set a record for fast action by the Commission.

I’ve taken part in this new proceeding on behalf of my client, the non-profit Green Power Institute (a unit of the Pacific Institute). We and many other parties have suggested that a focus on interconnection problems facing microgrids will yield the most bang for the buck. In a workshop at the PUC earlier this year every party spoke out about the lengthy and expensive interconnection process facing microgrids and other renewable energy facilities.

A promising solution that seems to have a lot of support among involved parties and policymakers is standardized, single-line, diagrams for the most common microgrid configurations of solar plus battery storage. Having standardized diagrams should allow for much faster processing of interconnection applications that use these diagrams – but only if the processing timelines are mandatorily shortened for those projects. Otherwise, the utilities will just process them more quickly internally but still use the allotted time allowed by the Rule 21 interconnection tariff.

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Fractal Energy Storage ConsultantsGetting California’s Microgrids Interconnected Is Even More Important Now