Who We Are

A low carbon energy company driven by valuable partnerships and profitable investments.

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Our Commitment

Advanced Power’s vision is to be a world-class developer and manager of independent power generation and related infrastructure projects. In striving to achieve and sustain this vision, we adhere to these five core values:

2023 ESG Report

Advanced Power seeks better ways to a cleaner future by operating our business with solid Environmental, Social, and Governance (ESG) principles. Our annual ESG Report provides further insight into our culture, our goals, and our experience.

Improving Communities

We believe that community involvement is a long-term commitment.  We manage projects with a dedicated focus on the local region because we believe it is our responsibility to enhance the communities in which we work. We do this through job creation, sourcing local materials, generating tax revenue and ultimately by being a good neighbor.  Our support focuses on the improvement of community resources, environmental betterment and support for science-related education. 

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Job Creation

Each project creates hundreds of well-paying construction jobs and results in permanent positions for operators, managers, engineers and experts in safety, health and the environment.

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In certain jurisdictions, tax revenue generated by our projects benefits local schools, towns, counties and states, and typically represents millions of dollars per year.

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We strive to minimize our environmental impact, working with local experts and conservation groups and revitalizing land where possible.

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As a developer, owner and operator, we make a long-term commitment to communities we are a part of—one that involves integrity, transparency and safety.

Community Involvement

Advanced Power focuses on becoming an active participant in community life. These efforts have encompassed scholarship programs, youth sports sponsorships, educational programs and wetland reclamation programs.

Cricket Valley Serving the Community

Cricket Valley Energy proudly supports the Dover Little League. The youth sports group enables children to play baseball, while getting exercise, and building positive relationships with teammates and coaches. See more.

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Carroll County Energy Partnered with Monroe Township and Encino Energy work to replace an aging playground in Carroll County.

Carroll County Energy is partnering with Monroe Township and Encino Energy to help replace an aging playground in Carroll County. The township’s trustees had applied for a grant through the Ohio Department of Natural Resources to partially fund a new playground in Delroy, OH, at a site where an existing playground has sat for nearly 30 years. See more.

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South Field Energy Supports the Restoration of the Veteran's Memorial Park

South Field Energy contributed funding to the restoration of the Veteran’s Memorial Park in Wellsville, OH. The restoration was recently completed and is a great tribute to the local veterans that gave the ultimate sacrifice for our nation. See more.

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Approach to the Environment

Environmental responsibility is essential to our decision making. We are committed to the rapid reduction of global emissions by displacing inefficient, heavily emitting power plants with low and no-carbon power infrastructure. We intend to thrive as a company and improve the environment in the process. Watch our video highlighting how Advanced Power is smartly reducing CO2.

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Invest & Invigorate

At Advanced Power, we believe that low and no-carbon generation is the best way to invest — and invigorate — our existing electric infrastructure, while significantly reducing emissions and improving efficiency and reliability. We are experts at developing, commercializing and managing mature and innovative generation infrastructure that provides benefits to consumers and the environment.

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Improve Environments

Further, we seek to improve upon the environment — not just preserve it. During development, we work with advisory groups and seek engagement with local residents, officials and environmental advocates to minimize impacts through design and reflect the environmental, economic and social priorities of the community.

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Efficiency & Effective

Our low-carbon, flexible CCGT projects can achieve efficiency levels well above industry averages and represent some of the most advanced facilities in existence. High flexibility, short start-up periods and rapid loading cycles make these facilities highly effective is supporting the rapidly growing new renewable energy sector.

Our Leadership Team

Advanced Power’s leadership has extensive experience acquiring, originating, evaluating, developing, financing, constructing, operating and managing independent power projects throughout North America, Europe, the Middle East and the Far East.

Our management team oversees and directs the day-to-day running of the company’s business. Its board of directors has, since 2005, successfully driven the company’s ambitious program of low carbon power project development, management and ownership in North America and Europe.

Bio Thomas Spang v2
Thomas E. Spang
Bio Jonathan Winslow
Jonathan Winslow
COO, Development
Chuck D 2 Web
Chuck Davis
President, Advanced Power Asset Management
Bio Todd Magura
Todd Magura
Bio Andrew Degon
Andrew Degon
Senior Vice President, Engineering and Construction
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Wendy Irwin
Vice President, Business Operations
Bio Kelly Huffman
Kelly Huffman
Vice President, General Counsel
Jay B 1
Jay Baronowski
Vice President, Asset Management
William B 3
William Bonano
Vice President, Finance
Tommy B 3
Tommy Browder
Director, Development
Collin B 2
Collin Brown
Vice President, Development
Bio John Burke
John Burke
Vice President, Origination
Scott C 1
Scott Curry
Vice President, Construction Projects
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John Coleman
Director, Construction Project
Marc D 2
Marc Duquette
Director, EHS
Jason K 1 Prefer to use
Jason Keating
Director, Senior Counsel
Kyle K 3
Kyle Kekeisen
Vice President, Development
Aaron L 3
Aaron Lamb
Director, Engineering
Julie P 2
Julianne Paonessa
Vice President, Finance
Ron P 3
Ronald Paryl
Vice President, Markets and Risk Management
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Ozgur Sherlock
Vice President, Finance
Jack S 2
Jack Sloyan
Vice President, Asset Management
Mike S 2
Michael Stagliola
Vice President, Operations
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Jared Taylor
Director, Accounting
Stephen W 2
Stephen Walsh
Director, Tax
Matthew W 2
Matthew Whalen
Director, Asset Management
Board of Directors
Carlos Riva
Board of Directors
Thomas E. Spang
Executive Director
Board of Directors
Jonathan Winslow
Executive Director
Board of Directors
Peter Ramm
Non-Executive Director
Board of Directors
Martin Bashall
Non-Executive Director and Secretary
Board of Directors
Dominique Candrian
Non-Executive Director

Making a difference.

It takes bold goals to spark a better day. Our fundamental goal is to maximize the generation of clean energy and to minimize carbon emissions. Working toward this goal helps make every day at Advanced Power an exhilarating adventure.


37,592,195 megawatt-hours of clean energy produced


41,000,000 metric tons of CO2 emissions avoided


2,681,818 equivalent homes supplied with power


$5 billion equity and debt capital raised


1,196,503 equivalent passenger vehicle emissions removed (last 12 months)