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Large scale renewable energy farms are being constructed throughout California to meet the States goal of deriving 50-percent of its electricity from renewable energy by 2050.� Many of these renewable energy farms, including solar and wind turbine farms, are being constructed on sensitive wildlife habitat.� Construction and associated ground disturbance allows establishment of invasive weed species, potentially introduces new species, and may increase weed dispersal rates.� Invasive species identification, control, and management is critical in maintaining habitat integrity for wildlife.� To manage and protect sensitive wildlife habitat on two large solar farms in San Luis Obispo and Monterey County, and one large wind turbine farm in Solano County weed populations and densities were mapped throughout project lands.� Annual surveys are completed to determine success of control efforts and document changes in population and associated habitat.� Long-term monitoring and management has resulted in invasive species population decline and improved wildlife habitat.