San Diego to develop hydropower energy storage project

by Dan McCue, Renewable Energy Magazine

As the owners’ representative, Black & Veatch will help evaluate proposals, select the full service team and negotiate the project delivery agreement.

The SVESF will store energy by pumping water to an upper reservoir when energy demand is low and releasing water from the upper reservoir through turbines when energy demand is high. The “pumped hydro” energy storage solution would support power grid operations and enable significant and sustained integration of renewable wind and solar energy into the power supply mix.
The SVESF project includes the establishment of a small reservoir above the existing San Vicente Reservoir as well as a tunnel system and underground powerhouse to connect the two reservoirs. The powerhouse would contain reversible pump-turbines that would lift water to the upper reservoir or generate energy as it flows down.

During peak energy demand, water would flow downhill to turn hydroelectric turbines. During off-peak periods, including daytime when renewable energy supplies exceed demand, water would be pumped to the upper reservoir.

“Growing demand centers, particularly in drought-prone areas like Southern California, require holistic water planning solutions,” said Kevin Davis, Black & Veatch Associate Vice President and Project Manager. “This project would marry investments in water system resilience with renewable energy deployment, helping to reduce greenhouse gases.”

source: https://www.renewableenergymagazine.com/small_hydro/san-diego-to-develop-hydropower-energy-storage-20180122

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