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Renewable energy jobs at Cal Solar Inc

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San Diego, CA 51–100 employees Solar calsolarinc.com
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Cal Solar Inc
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About Cal Solar Inc

Company Overview

Name

Cal Solar Inc., also known as California Solar Integrators Inc.

Headquarters

San Diego, CA, United States

Founded

2010

Size

Approximately 100-200 employees (source: rocketreach.co). Revenue estimated at $25 million annually (source: growjo.com).

What They Do

Cal Solar Inc. focuses exclusively on solar photovoltaic (PV) electric systems, solar water heating, battery storage, solar thermal, energy storage, microgrids, and EV charging infrastructure. The company delivers turnkey services that encompass design, engineering, permitting, procurement, construction, installation, maintenance, and financing (source: rocketreach.co). Their solutions target a diverse range of markets including multifamily housing, commercial and industrial buildings, offices, hotels, hospitals, warehousing, schools, low-income housing, public sector projects, senior living facilities, houses of worship, retail, manufacturing, and healthcare (source: calsolarinc.com). By serving developers, owners, operators, general contractors, and end-users exclusively within California, Cal Solar has established a strong foothold in the renewable energy sector.

Projects & Track Record

Cal Solar Inc. has completed over 600 engineered plansets and more than 500 large-scale projects across California, including over 200 prevailing wage jobs in sectors such as multifamily housing and commercial/industrial projects (source: calsolarinc.com). Notable clients include Meta Housing, Costco, Starbucks, and the LA Community College District, showcasing their capability to handle significant public works and commercial projects. The company operates in 13 electric utility territories and has established partnerships with various developers and contractors, enabling them to maintain a competitive edge in the market (source: cbinsights.com).

Recent Developments

In the last two years, Cal Solar Inc. has maintained steady operations without major contracts won, acquisitions, or funding rounds, distinguishing itself from competitors who have faced closures (source: savkat.com). A significant milestone was the launch of its statewide Solar EPC Services Division on June 15, 2022, which leverages in-house engineering and a large team of installers to serve solar developers and independent power producers (source: cbinsights.com). This division positions Cal Solar as a leading provider for commercial, multifamily, and public works projects, with over 600 completed projects to date.

Working There

Cal Solar Inc. employs a diverse range of roles across various departments, including design, engineering, estimation, installation, and commercial development. The company boasts a team of 10 engineers, over 100 field personnel, and experienced leadership with decades of industry experience (source: calsolarinc.com). The culture at Cal Solar emphasizes safety, quality, self-performance, and stakeholder collaboration, fostering an environment conducive to innovative solutions and growth. Hiring is likely across all offices, including their headquarters in Los Angeles and additional locations in San Diego, Oakland, and San Rafael (source: rocketreach.co). However, specific benefits packages have not been documented in available sources.

Last updated May 29, 2026 · Report an issue

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