Pumped Storage Hydro

With its strength as a balancing asset for intermittent renewable facilities, pumped storage technology is enjoying a renaissance of interest. Learn about new development and rehabilitation.

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Latest Pumped Storage Hydro News

Vianden Pumped-Storage Hydropower Project

Voith awarded contract for 1,045-MW Vianden pumped-storage plant upgrades


Equipment manufacturer Voith has been awarded a contract by owner Societe Electrique de l'Our S.A. to modernize four motor-generators at the 1,045-MW Vianden pumped-storage hydropower plant in Luxemburg.

Muddy Run Pumped Storage Hydropower Plant

Final FERC EIS endorses relicensing three Susquehanna River hydro projects


The Federal Energy Regulatory Commission staff has issued a final environmental impact statement recommending the relicensing of three hydroelectric projects totaling 1,394.41 MW on the Susquehanna River in Pennsylvania and Maryland

Erzhausen Pumped-Storage Hydropower Project

Firms sought to expand storage of Germany's 220-MW Erzhausen Pumped-Storage


A unit of European utility Statkraft invites applications for pre-qualification to expand the water storage capacity, and thereby generation, of the 200-MW Erzhausen Pumped-Storage project in Germany.

154-MW Koepchenwerk II pumped-storage plant

Study concludes hydroelectric pumped-storage development should expand in Germany


On Feb. 13, at Voith Hydro’s headquarters in Heidenheim, in the state of Baden-Württemberg, Germany, company officials met with Roderich Kiesewetter to discuss findings from a study it commissioned on the priority of expanding pumped-storage development. Kiesewetter, a member of the German Bundestag (parliament), visited the Brunnenmühle research and development center at Heidenheim -- Voith’s main hydro division -- to learn about “utilizing regional know-how for the expansion of pumped-storage power plants." 

Upgrading Two Pumped Storage Plants to Variable Speed


Two French pumped storage hydropower plants of a similar vintage and sharing some design features - but with specific hydraulic design requirements - are being upgraded, one to variable speed. Work so far suggests that such a conversion is an effective approach.

Eskom pumped storage hydroelectric projects slowed by load shedding in South Africa


Eskom, the South Africa-based company that supplies 95% of the country’s energy, is unable to generate at full capacity at two of its pumped-storage facilities mainly operated during periods of peak electricity demand. The hydroelectric projects have a total capacity of 1,400 MW, but due to a combination of maintenance, supply and demand issues, Eskom recently announced it was entering Stage 1 load shedding to maintain water levels at its pumped storage facilities. 

Lesotho seeks bids to develop Polihali Dam; hydro project studied


The Lesotho Highlands Development Authority invites proposals to implement several portions of Phase 2 of the Lesotho Highlands Water Project (LHWP), including construction of Polihali Dam and a water transfer tunnel.

FERC receives permit application for seawater-powered Hawaii pumped-storage


United Power Corp. has filed an application for a Federal Energy Regulatory Commission preliminary permit to study development of the 30-MW South Maui Pumped-Storage project, which would use seawater from the Pacific Ocean to power the project on the south coast of Maui Island, Hawaii.

Awards for graduate-level hydro research

Hydro Research Foundation accepting applications to Hydro Research Awards Program


The Hydro Research Foundation is again accepting applications for its Hydro Research Awards Program, designed to stimulate new student research and academic interest in conventional or pumped-storage hydropower.

Saez to manage pumped-storage project

Saez promoted to area regional manager for New York’s 1,160-MW Blenheim-Gilboa Pumped Storage project


Brian Saez has been named new regional manager for Central New York, the top position at New York Power Authority’s 1,160-MW Blenheim-Gilboa Pumped Storage Power Project.

FERC refuses to extend PG&E permit to study up to 1,200-MW Mokelumne Pumped-Storage


The Federal Energy Regulatory Commission has rejected a request by Pacific Gas & Electric Co. to extend by two years the utility's second preliminary permit to study development of a 300- to 1,200-MW Mokelumne Pumped-Storage project in California's Amador and Calaveras counties.

Sticky Wickets: Modifying Operation of a Pumped-Storage Project


Installation of two pumped-storage turbines at Salt River Project's (SRP) Mormon Flat and Horse Mesa pumped-storage powerhouses increased each facility's generating capacity and efficiency but resulted in rough operation when the units were run too far off their best efficiency point (BEP).

A (Potentially) Bright Future for Pumped Storage in the U.S.


There is a lot of potential for pumped-storage development in the U.S. What will it take to get construction of this valuable generating resource moving forward again?

Increasing capacity of the Glyn Rhonwy hydro project

Owner of Welsh pumped-storage hydroelectric plant seeks to increase capacity by 50 MW


Internal stakeholders for the US$155.5 million Glyn Rhonwy pumped-storage hydroelectric plant have sent a revised request to the UK Planning Inspectorate to increase output of the powerhouse by 50 MW. 

Morocco extends deadline to pre-qualify for 350-MW Abdelmoumen pumped-storage


Morocco utility Office National de l'Electricite et de l'Eau Potable (ONEE) has extended the deadline of applications for pre-qualification for turnkey construction of the 350-MW Abdelmoumen pumped-storage project on Morocco's Issen River (Oued Issen). Responses now are due December 19. 

KIUC gets go-ahead for 25-MW Hawaiian pumped-storage proposal


Hawaii's Board of Land and Natural Resources has given its unanimous approval in principal to the Kaua'i Island Utility Cooperative (KIUC) for a 25 MW pumped-storage hydropower project on the island's west side.

Chris Schleicher: Graduating Fellow of the Hydro Research Foundation


Chris Schleicher will graduate this fall with a Ph.D. in Mechanical Engineering at Lehigh University. Chris graduated Cum Laude at York College of Pennsylvania with a BS in Mechanical Engineering in 2011, and completed a MS in Mechanical Engineering at Lehigh University in 2012.

Morocco pre-qualifies builders for 350-MW Abdelmoumen pumped-storage


Morocco utility Office National de l'Electricite et de l'Eau Potable (ONEE) invites applications for pre-qualification for turnkey construction of the 350-MW Abdelmoumen pumped-storage project on Morocco's Issen River (Oued Issen).

RusHydro, Chinese conglomerates sign deals for conventional, pumped-storage development


Energy giant RusHydro has announced the signing of two agreements with Chinese businesses that could lead to the development of five hydroelectric power projects in Russia.

NYPA gets hydro equipment delivery for Blenheim-Gilboa, announces upgraded credit rating


Two generator step-up transformers for New York Power Authority’s 1,160-MW Blenheim-Gilboa Pumped Storage Power Project reached the plant after the last leg of their journey from where they were manufactured overseas, the authority reports.

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