Building solar that saves water in California
The California Solar Canal Initiative: exploring what it would take to install solar panels over 4,000 miles of open canals—and help Californians save water, energy, and money.
USC Launched 2025
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In 2022, California started testing a new idea: installing solar panels over canals to save water and create energy. Now, we’re helping take that idea statewide.
The state has been falling short of its clean energy goals—adding just 1 gigawatt of new solar power to the grid each year instead of its target, 6 GW. Meanwhile, fresh water supplies are shrinking. The ongoing pilot is showing promise, but putting solar panels over a short stretch of canals is one thing. Expanding across 4,000 miles of state canals is another.
We’re honored to help figure out where solar canals will do the most good and what it will take to make it happen. Our work is helping the state plan effectively and focus on where these panels will have the biggest impact—powering homes, watering crops, and taking advantage of existing canals, so we can conserve land for farms, housing, and anything else the future holds.
Meet the project team

Doug Messer
Senior Project Manager
Research Team

Roger Bales
Scaling Analysis
Distinguished Professor of Engineering

Robin Craig
Environmental Policy Analysis
Robert A. Schroeder Distinguished Professor of Law

Santina Contreras
Community Benefit Analysis
Assistant Professor, Urban Planning

Dave Feldman
Community Benefit Analysis
Professor of Urban Planning and Public Policy and Political Science

Kate Forrest
Comparative Economic Analysis
Senior Scientist, Advanced Power & Energy

Changdeok Gim
Community Benefit Analysis
Associate Director, Water UCI


Dustin Mulvaney
Comparative Economic Analysis
Professor of Environmental Studies

Dave Owen
Environmental Policy Analysis
Professor of Law

Brian Tarroja
Community Benefit Analysis
Research Engineer and Lecturer, Energy Systems Integration

Detlof von Winterfeldt
Decision-making Analysis
Professor of Industrial & Systems Engineering and Policy, Planning, and Development

David Wooley
Energy Policy Analysis
Executive Director and Lecturer, Center for Environmental Public Policy (CEPP)
Partners

Jordan Harris
Solar AquaGrid

Robin Raj
Solar AquaGrid
