01 · Vista, CA · 2024
Melrose Substation
Patriot completed this substation site development in Vista: grading, underground, structural concrete, foundations, biofiltration, and SWPPP.
- Substation civil
- Structural concrete
- SWPPP
- CIP walls
Selected work
Utility infrastructure built in Southern California.
Selected substations, transmission, and energy-storage work across Southern California.
- Completed 2024Melrose SubstationVista. Site development, underground, structural concrete, and SWPPP.
- Ongoing supportIID Avenue 42Indio. $12 million upgrade adding a third transformer bank.
- Completed 2022TL6975Escondido to San Marcos. Mass grading, drilled piers, and conduit intercepts.
- Completed 2020SDG&E HATSSan Diego County. Helicopter pads, TSAPs, and hand-dug piers.
02 · Indio · IID · 2026
IID Avenue 42 Substation
Ongoing support. Patriot General is supporting IID’s Avenue 42 Substation Upgrade with Henkels & McCoy West: a $12 million upgrade adding a third transformer bank.
- $12M IID upgrade
- Third transformer bank
- Henkels & McCoy West
03 · Escondido to San Marcos · 2022
TL6975
Patriot completed this transmission civil package in 2022: mass grading, native rock reused as fill, drilled-pier and micropile foundations, keystone wall, and conduit intercepts.
- Mass grading
- Drilled piers
- Micropiles
- Keystone wall
04 · San Diego County · 2020
SDG&E HATS
Patriot completed SDG&E Helicopter Access for Transmission Structures: landing-zone grading, long-lining, heli-pads, TSAPs, and hand-dug piers in rugged terrain.
- Helicopter LZ
- Long-lining
- Heli-pads
- TSAP
Energy storage & additional work
BESS and completed substations.
Energy-storage civil packages and a completed substation.
Rosamond Central BESS
Completed 2025. Kern County. Mobilization, conduit trenching and backfill, and grounding trench installation for a battery energy storage facility.
Fallbrook 02 BESS
Fallbrook, California. In construction as of the April 2025 record. Mobilization, below-grade conduit, Type 3316 boxes, spoil relocation, and SWPPP.
Santee BESS
Santee, California. In construction as of the April 2025 record. Foundations, conduit and grounding trenches, fencing, yard base and rock, SWPPP, staking, and spoil haul-off.
Point Loma Substation
Completed 2018. The project record lists the location as Poway, CA. Demolition, mass grading, storm drain, biofiltration, CMU walls, fencing, PCC curbs and sidewalks, traffic control, SWPPP, and soldier-beam wall installation.
Also named
Notable substations among 50+ sites.
Part of more than 50 substation sites. Scopes include grading, paving, materials import and export, utility relocation, and retaining walls.
- Rancho Mission Viejo
- Middleton
- Clairemont
- Talega
Earlier published work
The rest of the record.
- Completed 2018Poway SubstationPoway. Demolition, mass grading, storm drain, biofiltration, and CMU.
- Completed 2015San Miguel SubstationSan Miguel. Grading, foundations, drilling, paving, and storm structures.
- Completed 2014Talega SubstationCamp Pendleton. Grounding grid and asphalt inside the energized yard.
- Completed 2012Tie Line 616Rancho Bernardo. Direct-bury drilling, spoil haul-off, and a concrete pour.
- Record 2011Middletown SubstationGrading, concrete repair, paving, and earthwork on the 2011 record.
- 2011 · annual scopeGrapevine CanyonSan Diego access roads, slope repair, paving, and storm drain.
- Completed 2011Sweetwater LoopBonita. A walking trail and a pedestrian bridge.
- Completed 2009Borrego SubstationSite balance, cement-treated base, paving, and dry utilities.
- Completed 2009Caltrans 163San Diego slope repair, paving, and fence removal and replacement.