A novel hybrid photo voltaic powered pumped storage mission is deliberate on Kauai Island in Hawaii for renewable provide and irrigation.
West Kauai Energy Project (WKEP) will present renewable vitality manufacturing through hydropower and photo voltaic PV, coupled with pumped hydropower and battery vitality storage to shift a lot of the mission’s output into the nighttime peak. In addition, irrigation water might be delivered to assist diversified agriculture on state-owned lands.
The novel mission, for which an influence buy settlement has been filed with the Hawaii Public Utilities Commission, will rehabilitate three current reservoirs and the associated ditch system infrastructure in addition to restore move to the island’s principal Waimea River.
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“This mission’s integration of pump storage hydropower with large-scale solar energy is exclusive within the vitality trade,” states David Bissell, President and Chief Executive Officer of Kauai Island Utility Cooperative (KIUC).
“Working with AES helps maintain this necessary mission shifting ahead whereas minimizing danger to our cooperative. Upon completion, the ability will function at a value that can profit KIUC’s members for many years.”
When operational, the photo voltaic array will contribute as much as 35MW on to the grid and can retailer as much as 240MWh for dispatch throughout night peak. The hydro sources are anticipated to provide 24MW on common every day, which incorporates 12 hours of storage for use in a single day.
The mission, the third renewable collaboration between KIUC and AES, is up for regulatory approval. With the go forward, it ought to transfer Kauai’s renewable technology past 80% and meet greater than 25% of its electrical energy wants, in addition to open up dormant agricultural lands for manufacturing and improve public entry and leisure alternatives.
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The lengthy length storage capability ought to allow the island to run on 100% renewable vitality for extended durations with out daylight. Additional grid stability might be supplied by balancing intermittent photo voltaic with agency hydropower.
KIUC serves 34,000 prospects on the island of Kauai.
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