News & Events

Aspen Completes Natural Gas Storage Study

Aspen’s natural gas expert Catherine Elder recently completed a more in-depth look at the need for and issues around adding more underground facilities to store natural gas. Performed at the request of the Utility Air Regulatory Group (UARG), an ad hoc group of electric utilities that participates in various regulatory proceedings, and the American Public Power Association (APPA), the review starts by confirming that the findings related to gas storage in Aspen’s 2010 study […]

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Implications of Greater Reliance on Natural Gas

Aspen Environmental Group’s Catherine Elder served as the principal author and analyst for “Implications of Greater Reliance on Natural Gas for Electricity Generation.” Sponsored by the American Public Power Association (APPA), with financial support from the Utility Air Regulatory Group, the study looked at what changes would need to occur should EPA rules push utilities across the country to switch their coal-fired power plants to burn natural gas. […]

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Aspen Wind Energy Portfolio Continues to Grow

Aspen has been analyzing environmental impacts of utility-scale wind energy projects since 2007. To date, Aspen’s wind energy portfolio includes over 3,000 MW worth of wind projects. Our wind energy portfolio continued to grow in 2011, as we initiated five new projects, completing three of them in record time. Aspen completed three EIRs for Kern County under aggressive schedules, publishing Final EIRs for the North Sky River and Jawbone Wind Energy […]

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Aspen Releases Western Grid 2050: Clean Energy Vision Report

This new report, prepared by Dr. Carl Linvill, John Candelaria and Ashley Spalding of Aspen Environmental Group’s Integrated Energy Planning Division, examines two very different electricity futures for the Western states: a “Business as Usual” future and a “Clean Energy Vision” future. The report uses credible public data to formulate the alternatives and then evaluates the economic, environmental and public health performance differences between them. […]

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Aspen Monitoring Construction of California Valley Solar Ranch Project

Since September 2011 Aspen has been monitoring the construction of the 250 MW California Valley Solar Ranch (CVSR) solar PV project, currently under development on over 1,400 acres. Pre-construction activities began in the summer of 2011, and included the review of plan submittals required for Conditions of Approval.Plans reviewed included a Habitat Restoration and Revegetation Plan, a Worker Environmental Education Program, a Grazing Plan, and Habitat Mitigation and Monitoring Plan, […]

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