In an undated photo, the sign for Marine Corps Base Camp Pendleton, California, posted along Interstate Highway 5 reads, 'Preserving California's Precious Resources.' Camp Pendleton is the premier Fleet Marine Force training base on the West Coast. (Courtesy Photo) - In an undated photo, the sign for Marine Corps Base Camp Pendleton, California, posted along Interstate Highway 5 reads, 'Preserving California's Precious Resources.' Camp Pendleton is the premier Fleet Marine Force training base on the West Coast. (Courtesy Photo)

Contractors install an upgraded boiler in a 32 area building aboard Marine Corps Base Camp Pendleton, August 4, 2020. The base is in the process of significantly bolstering energy security through the installation of new equipment, the repair of failing equipment and upgrading and building out its facility related controls systems (FRCS) to provide command and control capability to over 600 facilities on site. (Photo courtesy of the Marine Corps Base Camp Pendleton Energy Team.) - Contractors install an upgraded boiler in a 32 area building aboard Marine Corps Base Camp Pendleton, August 4, 2020. The base is in the process of significantly bolstering energy security through the installation of new equipment, the repair of failing equipment and upgrading and building out its facility related controls systems (FRCS) to provide command and control capability to over 600 facilities on site. (Photo courtesy of the Marine Corps Base Camp Pendleton Energy Team.)

U.S. Marines with 7th Engineer Support Battalion, 1st Marine Logistics Group, and members of the Resource Management Branch, Environment Security, Marine Corps Base Camp Pendleton, lower a solar-powered water circulator into Lake O'Neill on Camp Pendleton, California, Aug 4, 2020. The circulators help prevent algal growth and improve oxygenation by mixing and aerating water throughout the lake. Camp Pendleton’s Resource Management Branch performed maintenance on three units, then returned them into the lake with assistance from 7th ESB. (U.S. Marine Corps photo by Lance Cpl. Drake Nickels) - U.S. Marines with 7th Engineer Support Battalion, 1st Marine Logistics Group, and members of the Resource Management Branch, Environment Security, Marine Corps Base Camp Pendleton, lower a solar-powered water circulator into Lake O'Neill on Camp Pendleton, California, Aug 4, 2020. The circulators help prevent algal growth and improve oxygenation by mixing and aerating water throughout the lake. Camp Pendleton’s Resource Management Branch performed maintenance on three units, then returned them into the lake with assistance from 7th ESB. (U.S. Marine Corps photo by Lance Cpl. Drake Nickels)

The site testing team in front of the microgrid powerplant after successful black start tests at Marine Corps Air station Miramar, June 20, 2020. - The site testing team in front of the microgrid powerplant after successful black start tests at Marine Corps Air station Miramar, June 20, 2020.

(Left) Steven Smith, vice president, Energy Systems Group; presents Alicia Florez, Engineering Manager, Production Plant Barstow, Marine Depot Maintenance Command; with a plaque thanking her for her part in getting the10-acre solar photo voltaic installation aboard the Yermo Annex up and going. The solar farm was officially opened when Col. Craig Clemans, commanding officer, Marine Corps Logistics Base Barstow, Calif., cut the ribbon on the project Oct. 22. The new solar project is expected to save the base $26,000,000 over the 22-year life of the contract with ESG - (Left) Steven Smith, vice president, Energy Systems Group; presents Alicia Florez, Engineering Manager, Production Plant Barstow, Marine Depot Maintenance Command; with a plaque thanking her for her part in getting the10-acre solar photo voltaic installation aboard the Yermo Annex up and going. The solar farm was officially opened when Col. Craig Clemans, commanding officer, Marine Corps Logistics Base Barstow, Calif., cut the ribbon on the project Oct. 22. The new solar project is expected to save the base $26,000,000 over the 22-year life of the contract with ESG.

The day the lights went out - SAN DIEGO – The skyline of San Diego captured during the big power outage on Sept. 8, 2011. The only lights are battery and backup lights and little remaining sunlight on the buildings on the right. (Photo credit: Coronado Times)

MCAS Miramar conducts successful test on microgrid - MARINE CORPS AIR STATION MIRAMAR, Calif - Solar photovoltaic (PV) panels provide clean and renewable energy as part of the overall Marine Corps Air Station Miramar energy program that includes the nearly complete microgrid which will be able to support the air station national defense mission during any natural or man-made power interruption. (U.S. Marine Corps photo by Mr. Curtis Hill/Released)

Jerry Piper Jr., laborer, removes an older sprinkler head in the process of swapping it out for a newer, more water efficient sprinkler head on Sorensen Field as part of the Water Conservation Program aboard Marine Corps Logistics Base Barstow, Calif., Aug. 5. - Jerry Piper Jr., laborer, removes an older sprinkler head in the process of swapping it out for a newer, more water efficient sprinkler head on Sorensen Field as part of the Water Conservation Program aboard Marine Corps Logistics Base Barstow, Calif., Aug. 5.

The antenna station outside the Base Safety Office for the Wet-Bulb Globe Temperature machine. The black device on the left is the actual wet-bulb that uses wind force, barometric pressure, humidity and other factors to determine the actual ambient temperature to the appropriate heat index flag is posted at the front gate of MCLB Barstow. - The antenna station outside the Base Safety Office for the Wet-Bulb Globe Temperature machine. The black device on the left is the actual wet-bulb that uses wind force, barometric pressure, humidity and other factors to determine the actual ambient temperature to the appropriate heat index flag is posted at the front gate of MCLB Barstow.