Aspen prepared an Environmental Impact Report and Environmental Impact Statement (EIR/EIS) on behalf of the California Public Utilities Commission (CPUC) and the Bureau of Land Management (BLM) for the SCE West of Devers (WOD) Upgrade Project.

The Western Area Power Administration (WAPA) and the Trinity Public Utilities District (TPUD) are initiating a right-of-way (ROW) expansion and vegetation management Project to reduce fire risk to the surrounding communities and public lands, as well as to increase electrical reliability to maintain critical services in local communities.

The USACE is in receipt of a Third-Party Permittee Section 408 Permission from the Mountains Recreation and Conservation Authority (MRCA), through the Los Angeles County Flood Control District (LACFCD), the non-Federal sponsor.

Aspen supported the Gaskell West Solar Project by providing compliance inspection services for biological, cultural, and paleontological resources.

Strauss Wind, LLC, an affiliate of BayWa r.e. Wind, LLC, proposes to construct and operate a 102 megawatt (MW) wind energy project, the Strauss Wind Energy Project (SWEP), south of the City of Lompoc. The Project site is the location of the previously proposed Lompoc Wind Energy Project (LWEP, 06CUP-00000-00009), which was approved by the County in 2009, but never constructed.

Under contract with the County of San Luis Obispo, Planning and Building Department (County), Aspen is assisting the County with application review, environmental review, and support with multi-agency coordination for the decommissioning of the Diablo Canyon Power Plant (DCPP), a nuclear energy power plant off the coast of San Luis Obispo County.

Aspen conducted the permitting for the 30-MW wind repower project on BLM land in the San Gorgonio Pass Wind Resource Area of Riverside County, including USFWS Biological Opinion, CDFW Incidental Take Permit (ITP) and Streambed Alteration Agreement, RWQCB Waste Discharge Requirements, and Army Corps determination of no jurisdiction.

The Devers–Palo Verde No. 2 Transmission Line Project is a 230-mile, 500-kilivolt (kV) electric transmission line routed between Devers Substation in California and Harquahala Generating Substation in Arizona, as well as 41.6 miles of new 500-kV transmission line routed between the Devers Substation and the Valley Substation in the Romoland area of Riverside County.

Aspen managed the preparation of an EIR/EIS for the highly controversial 150-mile high-voltage Sunrise Powerlink Transmission Project, under the direction of the BLM (El Centro Field Office) and CPUC.

Under Aspen’s environmental services on-call contract, Aspen prepared an IS/MND on behalf of Silicon Valley Power (SVP) for the proposed Homestead Substation Rebuild Project, which would rebuild the existing Homestead Substation within the existing substation site in the City of Santa Clara.

Units 2 and 3 of the San Onofre Nuclear Generating Station (SONGS) were shut down in January 2012. Unit 2 last operated on January 9, 2012, when it was removed from service for a planned refueling and maintenance outage.

Under contract to the National Forest Foundation, Aspen served as an extension to U.S. Forest Service staff to complete the associated field surveys, technical reports, and NEPA documentation for two proposed vegetation treatment projects in the Angeles National Forest.

The California Department of Forestry and Fire Protection (CAL FIRE) proposed to upgrade existing mountaintop telecommunications towers, vaults, and other supporting infrastructure as required to support the State's Public Safety Microwave Network and continue to provide essential emergency communications linkages for CAL FIRE'S fire protection and emergency response command and control throughout the State. On behalf of California Department of General Services (DGS), the CEQA lead agency, Aspen assisted with the environmental permitting and surveys at the following 7 CAL FIRE communications facilities: Sierra Vista in Calaveras; Mount Oso in Stanislaus; Chalk Mountain in Santa Cruz; Pratt Mountain and Mount Pierce in Humboldt; Bunchgrass in Shasta; and Banner Mountain in Nevada Counties. 

The Central Basin Municipal Water District (CBMWD) is undertaking an expansion of their existing recycled water system south of Santa Fe Springs into the City of La Mirada to serve irrigation needs.