The California Independent System Operator (CAISO) has permitted a request from Pacific Gas and Electric Company (PG&E) to supply a combination of power storage, power effectivity, and system-wide upgrades to make sure dependable electrical energy within the Oakland, California, space, after the retirement of an getting old Dynegy jet fuel-powered plant.
PG&E acquired CAISO approval for its Oakland Clean Energy Initiative (OCEI) March 22. The utility mentioned it would quickly open a two-month request-for-proposals course of for suppliers of distributed power sources to suggest storage and effectivity options that would supply 20 to 45 MW “of fresh power sources.”
CAISO has a reliability-must-run contract with Dynegy, which owns the 165-MW Oakland Energy Facility at in Oakland, close to Jack London Square, to buy energy throughout peak durations. CAISO in early 2017 mentioned retirement of the 40-year-old plant, which started working in 1978, presents a threat to native transmission reliability. It mentioned it could have a look at options, together with a brand new fossil fuel-powered plant, extra transmission traces, or a clear power portfolio.
“The Oakland Clean Energy Initiative represents an revolutionary, tailor-made portfolio of distributed clear power sources mixed with conventional transmission substation upgrades that meet the native reliability wants on this space of Oakland, enabling the retirement of the getting old, jet fuel-powered plant,” Roy Kuga, vice chairman of grid integration and innovation for PG&E, mentioned in an announcement.
Kuga mentioned PG&E and CAISO labored collectively throughout current transmission-planning cycles to review how distributed clear power sources may change into a part of an answer to the present plant’s retirement. He mentioned CAISO discovered the OCEI could be each a clear and extra reasonably priced possibility, versus including transmission traces or constructing a brand new fossil-fuel plant.
“There has been widespread assist for this resolution from local people representatives, environmentalists, elected officers and different teams, with a give attention to utilizing native workforce,” Kuga mentioned.
The Rocky Mountain Institute in a current report, a part of a 2017 effort together with PG&E that analyzed the long-term viability of energy technology in Oakland after the present plant is retired, mentioned “PG&E has decided the viability of an revolutionary resolution set that may exchange the facility plant’s power provide with a portfolio of native distributed power sources, akin to photo voltaic, battery storage, demand response, and so forth., to satisfy reliability wants on this space.”
PG&E mentioned it would transfer ahead with upgrades to present substations as a part of the hassle to make sure reliability. The utility mentioned the OCEI could be the primary time native clean-energy sources are deployed proactively as a substitute for fossil-fuel technology to make sure transmission reliability in its service space. The utility additionally mentioned it would proceed to work with East Bay Community Energy, a group alternative aggregator, “to find out and meet the clean-energy and reliability wants of native clients.”
PG&E in its assertion mentioned it would search price restoration for the battery storage with the Federal Energy Regulatory Commission, and for different distributed power sources with the California Public Utilities Commission. It mentioned it expects the OCEI might be in service by mid-2022.
—Darrell Proctor is a POWER affiliate editor (@DarrellProctor1, @POWERmagazine).
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