Portfolio

A Beta Test Site for thin film Cadmium Telluride PV modules, Folsom, CA.

A second Beta Test Site with building Integrated PV tiles, thin film Copper-Indium-diSellenide PV modules, and amorphous silicon PV modules, Folsom, CA.

A third Bet Test Site with building integrated PV roof tiles using amorphous silicon PV modules, Folsom, CA

Double-axis solar trackers on an almond farm, Sacramento valley, CA.

A multi-MW agricultural PV ground mount and its covered inverter pad, San Joaquin valley, CA

A ballasted pan and frame with modules on a flat roof, Utah

Workers installing a prototype insulated building integrated PV roof tile, Elverta, CA

Aerial view of a 1-MW agricultural PV ground mount, San Joaquin valley, CA

A custom designed solar shade structure for a garage, Glendale Community College, CA

A view from the bottom of the Glendale Community College garage solar shade structure

A flat roof PV system and a 2017 code compliant string inverter for a Fortune 500 corporation, San Jose, CA

A prototype ballasted PV framing system for use primarily in the developing world

One of dozens of 1MW PV ground mounts installed throughout California.

Early type single-axis solar tracker with multiple rows operated by one actuator.

A typical fixed tilt PV ground mount.

A custom designed and fabricated metal screen to hide PV electrical equipment on a wall facing a street for safety and aesthetics.

Double-axis tracker for an irrigation district along the Sacramento River.

Lifting the prefabricated PV panel onto the tracker with a crane, Knights Landing, CA.

Solar carport for Sierra Community College, Rocklin, CA.

Partially erected solar carport for Sierra College.

Ballasted roof top PV on a flat, single ply roof, Sierra College, Rocklin, CA.

Aerial view of the solar carports for Sierra College, Rocklin, CA.

Roof top PV on a slanted roof, Nevada City campus of Sierra College.

Complex maze of conduit feeding string inverters for a large flat roof PV array.

Typical inverter and transformer pad for a large ground mounted array.

Representative 1MW ground mount for an agricultural client. This is one of approximately fifty similar 1 MW ground mounts throughout California.

A 2MW ground mount for an Indian Reservation in Riverside County California.

Ballasted roof top array with one of many available racking systems.

A drill rig preparing the foundation for a concrete reinforced pier. This was repeated many thousand of times for our ground mounts.

Partially erected ground mount rack for a 1MW agricultural system.

Roof top solar for multifamily housing in San Francisco, CA.

Workers installing a roof top system for a multifamily project in Richmond, California.

Aerial view of multi-family housing complex in Los Angeles, CA.

Aerial view of a custom designed solar carport for a research facility, Davis, CA.

A partially erected solar carport structure for multifamily housing in Woodland, CA.

A custom designed solar carport for a client in Davis, CA.

Aerial view of a car dealership with roof top solar, Roseville, CA

Side view of another auto dealer solar carport, Sanra Rosa, CA

Typical roof top ballasted system on a single ply flat roof, office building, Sacramento, CA.

Ballasted roof top system on an office/manufacturing plant, Davis, CA.

Standing seam metal roof highlighting custom roof attachments and thin film modules.

Ground mount (background) and a roof top system on a standing seam roof (foreground), Sonoma County, CA.

View underneath a solar carport for a multi-family housing complex.

Typical coordinated erection of a solar carport structural frame.

Aerial view of solar roof top systems, Sierra College, Rocklin, CA.

Ballasted roof top system on a food processing plant, Woodland, CA.

Early ballasted roof top system for a commercial building, Sacramento, CA

Installation of foundation posts and underground conduit

Multifamily housing in Roseville, CA, with roof top solar systems and solar carports.

Early multifamily housing, one of two projects, Richmond, CA.

Typical wall mounted inverters and supporting electrical equipment for a roof top array.

A custom designed elevated rack to clear roof equipment, Veteran Housing, Mather, CA

View of the custom designed elevated rack from below, Veterans Housing, Mather, CA.

Another example of an elevated roof rack to provide clearance underneath, West Sacramento, CA.

Aerial view of roof top solar for a food processing/cold storage plant, West Sacramento, CA.

Crane lifting a prefabricated solar panel section on a carport - typical for numerous carport projects.

Early ballasted roof top system with conduit and junction box - typical. Different ballasted systems were experimented with among many flat roof top systems.

Typical string inverter, disconnect switch, and wire tray for a smaller ground mount system.

Middle school roof top system on a standing seam roof, El Dorado Hills, CA.

The first installed ballasted roof top system in operation for over twenty years, Roseville, CA.

Example of a third-party independent evaluation of tracker components to qualify for manufacturing credits under 2025 tax incentive changes.