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Newly launched information compilation from Berkeley Lab tracks operational and proposed crops
Enhancing battery expertise and the expansion of variable renewable era are driving a surge of curiosity in “hybrid” energy crops that mix, for instance, utility-scale wind and/or photo voltaic producing capability with co-located batteries. A newly launched briefing from Berkeley Lab tracks and maps each operational and proposed hybrid crops >1 MW in dimension throughout the US whereas additionally synthesizing information mined from energy buy agreements (PPAs).
This briefing is accompanied by two information visualizations, one centered on on-line crops and the opposite on these in interconnection queues, and an Excel information file with element on particular person crops. We are going to current this report throughout a free one-hour webinar on September 30, 1:00 PM Jap. To register, go to: https://lbnl.zoom.us/webinar/register/WN_Mw5i4a5ZQKuUJRKkBPvGgg
Operational hybrid progress continued at a wholesome tempo in 2023, particularly for PV+Storage
80 new hybrid crops (>1 MW) started working throughout the US in 2023, totaling practically 7.9 GW of producing capability and three.6 GW/11.6 GWh of power storage. PV+storage crops are the commonest and may be discovered all through a lot of the nation (see map for all PV Hybrids put in by the tip of 2023), although the biggest such crops are in California and the West, in addition to Texas and Florida. However there are practically twenty different hybrid plant configurations we observe as effectively, together with a number of completely different fossil hybrid classes (every dominated by the fossil part) in addition to wind+storage, wind+PV, wind+PV+storage, geothermal+PV, and others.
Among the many operational generator+storage hybrids, PV+storage dominates by way of plant quantity (288), storage capability (7.8 GW/24.2 GWh), storage:generator capability ratio (54% or 0.54 GW of storage per GW of photo voltaic), and storage period (3.1 hours). This comparatively excessive storage ratio and period specifically recommend that storage is offering useful resource adequacy (i.e., capability firming) and power arbitrage (i.e., shifting energy gross sales from lower- to higher-priced durations) capabilities to PV+storage crops. In distinction, the comparatively low storage ratio and quick period of wind+storage crops means that they’re primarily concentrating on the ancillary providers markets (e.g., offering regulation and/or reserves).
66 of the 80 hybrids added in 2023 had been PV+storage. As of the tip of 2023, there was roughly as a lot storage capability working in PV+storage hybrids as in standalone storage crops (~7.5 GW every). In storage power phrases, nevertheless, PV+storage edged out standalone storage by ~7 GWh (24.2 GWh vs. 17.5 GWh, respectively). Provision of grid providers stays the preferred use case for storage, however power arbitrage has elevated in reputation within the final 4 years.
Interconnection queues additionally present progress in hybrid proposals in 2023
Information on crops beneath growth from the interconnection queues of all seven ISOs/RTOs plus 44 non-ISO balancing areas (together with utilities and Energy Advertising and marketing Administrations) present continued sturdy developer curiosity in hybridization. On the shut of 2023, there was roughly 1,086 GW of photo voltaic crops within the nation’s queues; 599 GW (~55%) of this capability was proposed as a hybrid, most sometimes pairing PV with battery storage (PV+storage represented 86% of all hybrid capability within the queues). For wind, 366 GW of capability sat within the queues, with 51 GW (~14%) proposed as a hybrid, once more most-often pairing wind with storage (wind+storage represented ~5% of all hybrid capability within the queues). Greater than half of all storage within the queues is estimated to be a part of a hybrid plant.
On the finish of 2023, there have been 18% extra hybrid crops—representing 33% extra producing capability—within the queues than there have been on the finish of 2022. Storage capability in hybrid type elevated by 48% from 2022 to 2023; by comparability, standalone storage capability within the queues elevated by 52% year-over-year. This relative progress is especially notable on condition that the Inflation Discount Act (IRA), which turned regulation in August 2022, gives standalone storage with entry to the funding tax credit score (ITC) for the primary time, thereby eradicating a number of the impetus to couple battery storage with photo voltaic in a hybrid configuration. It’s due to this fact considerably shocking to see roughly equal progress of each hybrid and standalone storage capability mirrored on this 12 months’s report (each for initiatives coming on-line in 2023 in addition to being proposed within the queues). It might be that the market nonetheless wants extra time to react, however there are a number of countervailing the reason why the development of hybridization would possibly proceed regardless of the standalone storage ITC, equivalent to bypassing clogged queues or boosting a PV plant’s capability credit score, which finally would possibly outweigh different concerns. We are going to proceed to trace this development in future stories.
Whereas most of the crops proposed within the queues is not going to finally attain business operations, the depth of curiosity in hybrid crops—particularly PV+storage—is notable, notably in sure areas. For instance, in CAISO, 98% of all photo voltaic capability and 34% of all wind capability within the queues is proposed as a hybrid. Industrial curiosity in California little question derives from the state’s want for capability sources to satisfy useful resource adequacy necessities, however it’s also pushed by the pronounced day by day wholesale pricing patterns induced by excessive photo voltaic penetrations that create arbitrage alternatives for storage that don’t but exist in the identical magnitude in most different wholesale markets.
PPA costs for PV+storage are rising
Lastly, we survey pricing information from 105 PV+storage PPAs in 10 states totaling 13 GW of PV and seven.8 GW/30.9 GWh of batteries. Sixty-eight of those 105 PPAs are from working PV+storage crops, whereas the opposite 37 crops are nonetheless beneath building or in growth. PV+storage PPA costs have began to extend since 2020 (left graph, beneath), although such worth will increase don’t appear to have put a damper on curiosity in growing these hybrids. The “levelized storage adders” have additionally elevated to ~$10000/MW-month, ~$80/MWh-stored (assuming one full cycle per day), or ~$35/MWh-PV (as proven in the correct graph, beneath). A number of the latest worth enhance may merely replicate a development in direction of greater battery:PV capability ratios on the mainland over time (whereas this ratio is often pegged at 1 to 1 in Hawaii), which can enhance prices, all else being equal. The well-publicized influence of inflationary and provide chain pressures on costs in 2022 may be a short-term contributor, although battery costs have extra lately hit all-time lows.
For additional particulars on these and different findings, together with new evaluation on battery roundtrip efficiencies, please check with the PowerPoint-style information compilation, which may be downloaded right here. The briefing can also be accompanied by two information visualizations, one centered on on-line crops and the opposite on these in interconnection queues, and an Excel information file with element on particular person crops.
Lastly, as soon as once more we are going to current this report throughout a free one-hour webinar on September thirtieth, 1 PM Jap. To register, go to: https://lbnl.zoom.us/webinar/register/WN_Mw5i4a5ZQKuUJRKkBPvGgg
Courtesy of Will Gorman & Joe Rand, Lawrence Berkeley Nationwide Laboratory
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