• From the decline of coal power to the rise of customer-sited generation,

    the electric power industry is undergoing massive transformation.






    Constant Energy is an energy infrastructure platform that

    owns and operates distributed energy resources (DERs) to provide

    commercial and government customers with reliable energy.


    Our primary investment focus is on distributed natural gas generation (DNGG),

    solar energy and advanced energy storage or the combination of these

    technologies in the form of microgrids.


    By investing in DERs, Constant Energy helps avoid expensive utility grid upgrades

    while improving energy resiliency and business continuity.

  • Resiliency-as-a-Service

    Customer Benefits

    Resilient and reliable energy

    Constant energy and control when the electric grid fails.

    Third-party financing

    No upfront cost to customers and easy adoption.

    Flexible & innovative structures

    Bespoke solutions and efficient financial structures.

    Best-in-class partnerships

    Proven technologies and world class operations support.

  • Constant Energy Leadership

    Our team's experience with energy and power projects:


    • Managed over $2 billion of investment

    • Sourced and evaluated +25,000 MW of projects, acquired +2,600 MW

    • Led or participated in direct development or construction of +400 energy and power projects

    • Extensive work across the energy project lifecycle from early development to asset operation


    Catherine York Powers

    Managing Director and CEO

    Catherine York Powers serves as a Managing Director and Chief Executive Officer. Prior experience includes Mrs. Powers' senior management roles with SunEdison, Inc. (NYSE: SUNE), a global renewable energy company.


    At SunEdison, Mrs. Powers was a founding member of its investment banking arm. As the lead for global acquisitions, she oversaw a team that evaluated over 25 gigawatts of solar PV assets and acquired and integrated 2.6 gigawatts. Mrs. Powers also developed new markets in the Caribbean and Latin America with broad responsibilities for public policy development, project acquisition and development, project finance, and asset operation.


    Her prior experience includes P&L management in the homeland security and telecommunications sectors. Mrs. Powers has extensive public affairs experience on tax, energy, intellectual property, security, and labor matters.


    Mrs. Powers attended the Kogod School of Business, American University.

    Paul Jameson

    Managing Director

    Paul Jameson serves as Managing Director responsible for sourcing, structuring and executing investments. Prior experience includes Mr. Jameson's role as CFO of Elevate Investment Group, an investment management company focused on real estate and energy asset development.


    At Elevate, Mr. Jameson oversaw the company's financial strategy and reporting, established a formal investment approval process and secured multiple project and fund-level debt instruments. Prior to Elevate, Mr. Jameson was a founding member of SunEdison's investment banking arm where he led the acquisition of development assets and companies valued over $250MM. Mr. Jameson also structured the financing of over $200MM of tax equity while managing several cross-functional teams.


    Mr. Jameson began his career with McKinsey & Company, advising Fortune 500 clients in the Telecommunications, Healthcare and Manufacturing sectors on new market entry strategies, post-merger management and incentive plan structuring.


    Mr. Jameson graduated Magna Cum Laude from Duke University, earning his BS degree in Mathematics & Economics.


    Jesse Herrick

    Managing Director

    Jesse Herrick serves as a Managing Director responsible for asset management and operations. Prior experience includes Mr. Herrick's role as Chief Financial Officer of American DG Energy, Inc. (NYSE: ADGE), an on-site utility that develops and operates natural gas-fired combined heat and power assets, where he focused on asset optimization and management to improve financial returns.


    Prior to joining American DG Energy, Mr. Herrick founded the equity research practice at Scarsdale Equities, LLC, serving as a clean technology equity analyst. Previously, he was Managing Director at Merriman Capital where he launched the Advanced Hydrocarbon Technologies practice which focused on the energy efficient implementation of hydrocarbon-based fuels. During his equity research career, he was involved in raising over $1.5 billion for clean technology companies.


    Mr. Herrick holds FINRA Series 7, 63, 86 and 87 registrations. He received his MS degree in Mechanical Engineering from the University of California, Berkeley and received his BS degree in Mechanical Engineering from the University of California, Santa Barbara.



    If your projects are in need of capital, contact us.




    (207) 494-5009



    217 Commercial Street

    Portland, ME 04101