Photo voltaic, wind and battery storage accounted for almost 95% of the capability in transmission interconnection queues as of year-end 2023, primarily based on preliminary knowledge from Berkeley Lab, offered in a employees report from the Federal Power Regulatory Fee.
From pv journal USA
By year-end 2023, 1,086 GW of photo voltaic initiatives awaited transmission interconnection, together with 503 GW of standalone storage, in response to preliminary knowledge from Lawrence Berkeley Nationwide Laboratory (LBNL). The quantity of storage in hybrid initiatives, resembling solar-plus-storage initiatives, awaiting interconnection at year-end was estimated at 525 GW by LBNL, primarily based on imputed values for lacking knowledge when storage capability for hybrid initiatives was not reported.
The information have been reported in a employees report from the Federal Power Regulatory Fee (FERC).
LBNL’s preliminary values for all however one of many useful resource varieties awaiting interconnection are offered within the desk beneath from the FERC employees report. The exception is hybrid storage, which FERC employees exhibits as 299 GW within the desk, not LBNL’s preliminary 525 GW, as a result of FERC employees excluded hybrid storage initiatives for which capability was not reported.
Photo voltaic, wind, and battery storage represented almost 95% of the whole capability in interconnection queues as of year-end 2023, the employees report stated.
Pending transmission interconnection requests at year-end 2023 rose to 11,841, in response to LBNL’s preliminary knowledge, representing a 16% enhance since year-end 2022 and greater than a four-fold enhance since year-end 2019, as proven within the desk beneath.
The FERC employees report consists of summaries of transmission plans submitted by grid operators to FERC final yr, together with plans for transmission that would assist convey photo voltaic and storage initiatives on-line.
The transmission plan from California grid operator CAISO included 21 transmission initiatives at a value of $5.5 billion to assist meet the renewable era necessities set by state regulators. A few of these initiatives would allow importing wind energy from exterior CAISO.
Mid-continent grid operator MISO deliberate 142 transmission initiatives to interconnect new mills.
The PJM grid operator stretching from Chicago to New Jersey “recognized” 93 transmission initiatives at a value of $180 million to assist era looking for interconnection, and “evaluated 227 supplemental initiatives put ahead by transmission house owners,” the report stated, that might value $2.4 billion.
The ERCOT grid area in Texas added essentially the most photo voltaic of any area final yr, as proven within the following chart from the report, displaying capability additions by grid area.
The geographic areas of seven of the 9 grid areas referenced within the chart are proven within the map beneath. The opposite two areas are the “SERC area,” which is the SERC Reliability Company (SERC) space within the Southeast, and the “WECC* area,” which is the Western Electrical energy Coordinating Council space within the Western states with out California’s CAISO area.
The CAISO and ERCOT grid areas account for a lot of the progress in transmission-connected batteries up to now three years, as proven within the following chart from the report.
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