Located in the arid landscape of Riverside County, the Arlington Energy Center represents a innovative approach to repurposing retired industrial land for clean energy generation, demonstrating how California is transforming legacy energy sites into assets for its sustainable future. This project exemplifies the strategic shift toward locating solar development on disturbed lands rather than pristine ecosystems.
Significance & Context
The Arlington Energy Center is a 95-megawatt (AC) solar facility developed by EDF Renewables on land adjacent to the retired Arlington Natural Gas Plant. The project’s entire output is sold to Southern California Edison (SCE) under a long-term power purchase agreement, contributing directly to California’s mandate for 100% carbon-free electricity by 2045. According to data from the California Energy Commission (CEC), the facility generates enough electricity to power approximately 35,000 homes. This clean energy contribution displaces an estimated 135,000 metric tons of carbon dioxide emissions annually, supporting grid reliability while improving regional air quality.
Development Timeline
The project’s development began with site assessment and acquisition in 2017. A key milestone was reached when the project was selected in SCE’s renewable energy solicitation process, which was approved by the California Public Utilities Commission (CPUC). The development team successfully navigated the local permitting process with the Riverside County Planning Department. Construction commenced in 2020, and the project achieved commercial operation in 2022.
Technology & Innovation
The Arlington Energy Center utilizes modern solar technology while leveraging the unique advantages of its location. The facility features single-axis tracking systems with monocrystalline panels optimized for the desert environment. A significant innovation is the project’s ability to utilize existing grid infrastructure from the retired gas plant, reducing interconnection costs and maximizing efficiency. The project employs water-free robotic cleaning systems for panel maintenance, a critical consideration in California’s drought-prone environment. According to performance data from the National Renewable Energy Laboratory (NREL), this brownfield redevelopment approach can reduce project development time and costs while minimizing environmental impact.
Challenges & Controversies
A primary challenge for the Arlington Energy Center involved addressing potential soil contamination from the site’s industrial history and ensuring safe construction practices. The project required comprehensive environmental assessment and remediation planning approved by the California Department of Toxic Substances Control. This challenge was resolved through extensive soil testing, implementation of engineered barriers where necessary, and a phased construction approach that prioritized worker safety and environmental protection. The project also addressed visual impact concerns through strategic landscaping and perimeter screening.
Community & Economic Impact
The Arlington Energy Center provides meaningful economic benefits to Riverside County. During the construction phase, the project typically employed 150-250 workers, according to workforce estimates from the Solar Energy Industries Association (SEIA). For long-term operations, it supports a permanent team of technicians for maintenance and monitoring. The project transforms a retired industrial site into a productive asset, generating new tax revenue for the county. Based on California’s tax policies for renewable energy, the project likely contributes significant annual tax revenue to Riverside County, funding local services including schools and public safety.
Future Outlook
With an operational lifespan of 30+ years, the Arlington Energy Center represents a long-term contribution to California’s clean energy portfolio. The project’s success as a brownfield redevelopment provides a model for repurposing other retired energy sites across the state. The existing infrastructure creates potential for future expansion or the addition of battery energy storage systems (BESS) to enhance grid reliability. As California continues its transition to a carbon-free grid, the Arlington Energy Center stands as a testament to how communities can transform their energy infrastructure while creating lasting environmental and economic benefits.
See at California: SE Athos II Solar farm
