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closed-loop
NREL: Closed-loop pumped hydro ‘smallest emitter’ among energy storage technologies
August 21, 2023
Closed-loop pumped hydro energy storage (PHES) has fewer emissions associated with its development, construction and use than other leading options for large-scale energy storage.
Newsletter
Most Popular
US ROUNDUP: BESS news from NeoVolta, Goshe, Frontier Power & Stella and Prevalon
EDF and Masdar enter 15-year PPAs for 160MWh hybrid California BESS
Alsym Energy partners with Re:Build Manufacturing to scale US Na-ion BESS
US solar startup T1 Energy to acquire BESS company KORE Power for US$32 million
Mexico launches fast-track permitting programme for renewables and BESS
US BESS integrator Prevalon becomes Nextpower’s latest acquisition for US$365 million
Upcoming Events
Energy Storage Summit At The Battery Show Europe
June 9
- June 11
, 2026
Stuttgart, Germany
How solar IPPs hybridise: Lessons for solar-plus-storage design and operation, with Sonnedix
June 10
- June 10
, 2026
3pm BST / 4pm CEST
ESS Europe 2026
June 23
- June 25
, 2026
Munich, Germany
Clean Power 2030 Summit | UK Solar Summit 2026
June 30
- July 1
, 2026
Novotel London West, London, UK
RE+ Storage
June 30
- July 1
, 2026
Sacramento, California
Battery Asset Management Summit Australia
August 25
- August 26
, 2026
Sydney, Australia
