Cited as a "Leading Lawyer" in the areas of Environmental Litigation and Environmental Regulatory.The Legal 500, 2016

Marc T. Campopiano

Orange County
  • 650 Town Center Drive
  • 20th Floor
  • Costa Mesa, CA 92626-1925
  • USA

Marc Campopiano is a partner in the Environment, Land & Resources Department. Mr. Campopiano has extensive experience on a wide variety of energy and infrastructure matters related to power generation (including broad experience with renewable energy resources), transmission lines, land use entitlements, air quality and water quality permitting and compliance, cleantech, and environmental diligence and transaction review. Mr. Campopiano represents clients with major energy and infrastructure projects before federal agencies, state public utility commissions and energy agencies, including the California Public Utilities Commission and the California Energy Commission, and local jurisdictions to develop power plants, transmission lines, renewable energy facilities and land use projects.

Mr. Campopiano parlays his strong technical background with extensive legal experience to deliver specialized representation on energy and infrastructure matters where legal and technical issues can be closely intertwined. Mr. Campopiano previously worked as an environmental consultant evaluating power plants, transmission lines and other infrastructure projects under the California Environmental Quality Act (CEQA) and the National Environmental Policy Act (NEPA).

Mr. Campopiano regularly works on projects that involve local, state and federal regulatory requirements. In addition to Mr. Campopiano’s extensive experience with local and state environmental laws, Mr. Campopiano regularly advises clients on federal requirements under the federal Endangered Species Act, Migratory Bird Treaty Act, National Historic Preservation Act, Clean Air Act and Clean Water Act.

Mr. Campopiano's speaking engagements include the following:

  • Military/Government Adoption/Procurement of Cleantech, CleanTech OC’s 2013 Annual Conference and Expo, September 2013
  • Carbon Sequestration Development & Finance Summit, Houston, Texas: The Pre-Summit Workshop – Navigating Key Issues in Sequestration Project Development & Finance “Permitting & Environmental Regulation”
Articles and Publications
  • "California Energy Commission Updates Renewables Portfolio Standard Eligibility Guidebook," Latham's Clean Energy Law Report, June 13, 2012

Mr. Campopiano’s representative matters include the following:

  • Successfully represented CPV Sentinel LLC before the Ninth Circuit in defense of a lawsuit seeking to overturn the US Environmental Protection Agency’s approval of emission credits for its US$1 billion power plant
  • Represent first-of-its-kind, hydrogen-fired power plant using carbon capture and sequestration (CCS) as part of the Department of Energy’s Clean Coal Power Initiative before the California Energy Commission
  • Represent investor-owned utility with multiple major transmission line projects before the California Public Utilities Commission, which include additional approvals from the US Fish and Wildlife Service and US Army Corps of Engineers
  • Represent hybrid solar and natural gas power plant to obtain certification from the California Energy Commission pursuant to the Warren Alquist Act
  • Represent a large mixed-use development project with obtaining entitlements from the City and County of Los Angeles
  • Assist major power producer with participating in a state rulemaking process to implement regulations under Section 316(b) of the federal Clean Water Act
  • Represent large wind farm with first out-of-country certification by the California Energy Commission under California’s Renewables Portfolio Standard (RPS)


    • 20 March 2014
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    • Addressing the latest air quality and climate change regulatory and policy updates, including the Sierra Club challenge to PSD, the EPA’s draft guidance and the EPA’s RCRA non-hazardous waste determination.
    • 22 November 2013
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    • Addressing California’s new electricity storage capacity requirements, the new guidance for assessing climate change impacts of chemicals being added to Stockholm Convention, and an update on EPA’s Renewable Fuel Standards.
    • 24 July 2013
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    • Addressing the recent decision in the California Low Carbon Fuel Standard case, Greenhouse gas emissions trading for airlines, climate change issues and the Equator Principles, and President Obama’s newly released Climate Action Plan.
    • 27 March 2013
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    • Addressing recent air quality and climate change regulatory and policy updates, including the RIN Trading program and an update on the EPA's Renewable Fuel Standard program and the Renewable Energy Standard program.
    • 25 October 2012
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    • Addressing the unique issues facing carbon capture and sequestration plants, the implementation of AB32 and federal common law of nuisance climate change litigation.
    • 31 July 2012
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    • Reviewing current air quality and climate change regulatory and policy updates, including: national emission standards for hazardous air pollutants, recent air regulations for hydraulically-fractured gas wells and oil & gas development equipment and the National Ambient Air Quality Standard.
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