About 174 Power Global

174 Power Global is headquartered in Irvine, California. It is the leading solar energy company that is wholly owned by Hanwha Energy Corporation. The company has deep expertise across the complete project development cycle and works closely with landowners, local communities, financial investors, and other partners to build highly productive, utility-scale solar power plants throughout North America. Since its formation in 2017, 174 Power Global has signed nearly 2 gigawatts (GW) of power purchase agreements and has more than 8 GW of additional projects in the development pipeline. The company was ranked 2018’s #1 solar project development company by project size in the United States by Wood Mackenzie. 174 Power Global’s name was inspired by the 174 petawatts (PW) of solar energy the earth receives from the sun at any moment.

Meet the Team

Our seasoned professionals possess innate business acumen and years of hands-on experience. Most of our staff have careers spanning 15 to 30 years in their respective fields of expertise.


Henry brings over 20 years of executive leadership, and as CEO has led the growth of 174 Power Global from the start-up stage to industry leader. Henry has authored numerous publications and was awarded 4 U.S. patents. He holds an MBA from the Kellogg School of Management at Northwestern University and Ph.D. in Engineering from the University of Washington.

Henry Yun, Ph.D.
Chief Executive Officer and President

As COO and General Counsel, Carolyn has over 18 years of experience in corporate, M&A, venture capital, and litigation areas of law. Previously in charge of legal and regulatory affairs for various Hanwha divisions, she holds a B.A. in Political Science and M.A. in Sociology from Stanford and a J.D. from Cornell Law School.

Carolyn Byun
Chief Operating Officer and General Counsel

David is the Chief Financial Officer and Chief Strategy Officer for Hanwha Energy USA Holdings Corp. Prior to joining Hanwha, he headed the US West Region for EY’s Operational Transaction Services and has held a number of executive roles at HP and LG Electronics in corporate development, strategy and planning, and operations. David was also a partner at McKinsey & Company with a focus on energy and technology. He spent more than ten years working in Asia, including emerging markets. David was a double major in chemical engineering and economics at Rice University and received an MBA from The Wharton School with a major in Finance.

David Kim
Chief Financial Officer and Chief Strategy Officer

Mr. Kim has more than 25 years of experience in leadership roles, most recently as the CCO for 174 Power Global. He has held a number of executive roles within Hanhwa Group across IPP development, power retail business, downstream solar and real estate development and investments. His career spans the globe from the U.S. to Korea, India and Europe.

IP (Ik Pyo) Kim
Chief Commercial Officer

Sajjad joined the 174 Power Global family in 2019 as the Chief Information Officer. He is a proven technology leader with 20+ years of experience in the industry. He brings his entrepreneurial vision and advanced technical and business knowledge to deliver consistent positive business outcomes. Sajjad is a meticulous problem solver and excellent at directing multiple initiatives within highly mission-critical technology platforms.

Sajjad Mussani
Chief Information Officer
Utility Scale

Larry brings over 26 years of experience in energy business development with the last 14 in renewable energy. He has developed a 1.2 GW project pipeline for 174 Power Global in the US. Larry holds a M.S. in Geology from University of California, Davis, and an MBA from UCLA’s Anderson School of Management.

Larry Greene
Vice President of Project Development- Western US & Canada

Deborah brings 25 years of experience in the global energy sector, spearheading developments of renewable and fossil fuel power projects. During her tenure at 174 Power Global, Deborah has successfully advanced the development of nearly 1 GW of solar projects. She holds a Master’s degree in International Economics (UCSD), a B.A. in both Political Science and French Linguistics at UC Irvine.

Deborah Reyes
Vice President of Project Development- Eastern USA & Mexico

Hao brings an extensive background in finance across M&A advisory, corporate development, and corporate treasury management. Hao joined Hanwha in 2011 and has held several positions before joining 174 Power Global. Hao is a Chartered Financial Analyst with an MBA in Finance and Accounting from the A.B. Freeman School of Business at Tulane University.

Hao Wang
Vice President of Project Finance

Pauline Ung has over 20 years of experience with national law firms and in-house for various industries, including renewable energy. She has held legal leadership roles at global & national public and private companies. She received her J.D. from Benjamin N. Cardozo School of Law, Yeshiva University.

Pauline Ung
Vice President of Legal

AJ brings two decades of experience in accounting and finance including 7 years with Big 4 accounting firms, 3 years with a public company, and 10 years in the solar industry. Most recently, AJ was leading the corporate finance and planning department at Q CELLS USA as Chief Financial Officer. AJ is a CPA with a B.A. in Business Administration from Korea University.

AJ Ahn
Vice President, Corporate Finance

Bill brings extensive experience in development and financing of renewable and conventional energy projects including the origination, structuring, and negotiation of power purchase agreements. He is a graduate of The Wharton School of the University of Pennsylvania, where he received an MBA in Finance and a B.S. summa cum laude in Finance and Accounting.

Bill Shore
Senior Director of Project Finance

Tom is a recent addition to 174 Power Global and is focused on managing a team for development of Energy Storage Systems in the US market. He brings 12 years of experience working in solar and energy storage. Tom holds a B.S. in Electrical Engineering from Penn State University.

Tom Levitsky
Senior Director of Energy Storage Systems Development

Ken Kostok is a PE with over 40 years of experience including EPC of over 5 GW of solar. Ken holds a B.S. Electrical Engineering from the University of New Haven.

Ken Kostok
Senior Director of Procurement and Construction

Brian Quinn recently joined 174 Power Global as senior director of engineering and brings over twenty years of international experience in clean energy and power generation systems. He has a B.S. in Electrical Engineering, and an M.S. in Energy from Cranfield University.

Brian Quinn
Senior Director of Engineering

Craig joined 174 Power Global in 2015 and brings over 16 years of experience in the power sector, with 7 in renewables. He has held various leadership positions and holds an MBA from the UCLA Anderson School of Management and a B.A. from University of California, Berkeley.

Craig Howard
Senior Director of Project Finance

Jason joined 174 Power Global in 2016 and brings a background in financing and development of wind projects, financial analysis of wind and solar projects, and mechanical engineering of automated equipment for the semiconductor industry. Jason earned his MBA from the Rady School of Management at the University of California San Diego and has a B.S. in Mechanical Engineering from Stanford.

Jason Garewal
Director of Project Development, ERCOT & SPP

Patrick joined Hanwha in 2008 and has held various positions in strategic planning, corporate accounting, planning, and new business development. He now focuses on utility-scale solar project development in Arizona, New Mexico, Utah, and Colorado. He holds an MBA from the UCLA Anderson School of Management.

Patrick Shim
Director of Project Development

Brison has over twenty years of cross-functional experience in utility-scale wind and solar power plant development ranging from project financial analysis through PPA negotiations, land use agreements, resource assessment, interconnection, and permitting. He has a B.S. from Trinity College in Hartford, CT and an MBA from the University of Texas at Austin.

Brison Ellinghaus
Director of Interconnection and Land Development

Betsey is currently responsible for siting, permitting, and environmental assessment with general oversight of the company’s solar project portfolio of over 1,000MW in the US. She holds a B.A. from Stanford University and a MESM from the Bren School of Environmental Science and Management at the University of California – Santa Barbara.

Betsey Biesty
Director of Permitting

Janet is an integral part of 174 Power Global’s Senior Corporate Counsel, focusing on real estate and land matters. Prior to joining 174 Power Global, Janet was an associate at Skadden, Arps, Slate, Meagher & Flom LLP and in-house real estate counsel for Panda Restaurant Group. She holds a B.A. from Stanford University and a J.D. from New York University School of Law.

Janet Lee
Senior Corporate Counsel

Brian oversees strategic and brand marketing and demand generation for 174 Power Global’ s utility-scale and commercial PV and ESS project development businesses. Brian also launched and oversees marketing for the Chariot Energy brand in 2018, 174 Power Global’ s retail energy business. Brian has worked in sales and marketing in solar since 2007 for companies such as NRG, Reliant, EDF and ReneSola. Brian graduated from Iowa State University with a degree in Journalism and Mass Communications. He lives in Texas with his wife and three young boys.

Brian Armentrout
Senior Director of Marketing
Commercial & Industrial

A sixteen-year veteran of the solar industry, Barrett has helped clients in the residential, commercial and utility scale sectors of the industry employ multiple megawatts of solar energy. He founded Silver Lining Solar in 2015 to focus on the needs of local businesses and nonprofits so that they could fully realize the benefits of solar technology for their bottom lines and their communities. Barrett has helped commercial solar clients as diverse as Regeneron, The Tarrytown Music Hall, The Jacob Burns Media Lab and Mt. St. Michael Academy, among many others, and has worked for the solar industry’s leading panel and racking manufacturers. He graduated cum laude from Duke University and holds a master’s degree in Philosophy from Brown University. He enjoys swimming, playing the tenor sax, piano and cello, and lives in Chappaqua, New York in a home that makes its own solar domestic hot water.

Barrett Silver
Vice President of Commercial Solar

Our Values


We apply industry knowledge and resources to innovate solutions that are better for the environment and essential for a brighter future for the world.


Our foundation is our team of industry professionals who have decades of experience across project development, financing, EPC, operations, maintenance, and battery energy storage solutions.


We strongly believe that a company is only as good as its partners, be they landowners, investors, or community members.


We are passionate about what we do. It drives us to be relentless in our pursuit of sustainable solar energy that is affordable and available to all.

Customer Commitment

Putting customers first will serve as a foundation for growth and success in scaling commercial and utility-scale solar and energy storage.

174 Power Global Sustainability Initiatives

For us, sustainable growth is the only way to make our world a better place where everyone not only lives, but thrives.

Clean Energy

Our goal is to provide clean energy to consumers who can, in turn, contribute to society by making their own environment cleaner for generations to come. We are headed there now, making positive impacts on the environment and society.


Commitment of Local Community and Education
  • Prioritize and Spread Awareness: We are committed to improving the environment and the adoption of clean energy.
  • Community Action: 174 Power Global donated $25,000 to the Education Foundation of Odessa, a non-profit organization dedicated to fostering education.
Work Force Diversity and Gender Equality
  • We believe our diverse work force is our fundamental core strength. We are committed to inclusion in executive decision making roles across our organization.

Hanwha Sustainability Programs

As a Hanwha Group affiliate, 174 Power Global is on a mission to grow greener. To fulfill our social responsibilities and achieve sustainable growth, we believe that environment, safety, and health are essential parts of our company’s core values.

Hanwha Energy Corporation

Hanwha Energy Corporation and its subsidiaries are preserving the environment and protecting people’s health to keep nature green for future generations to enjoy. Hanwha Energy Corporation and its subsidiaries also carry out voluntary, future-oriented activities and are challenging the paradigms of tomorrow while keeping the promises of today.

Hanwha Group

Hanwha Group carries out its social responsibilities as a responsible corporate citizen and encourages its employees to actively participate in such endeavors.

174 Power Global Retail Texas, LLC dba Chariot Energy

Chariot Energy is a Houston-headquartered retail energy provider that provides 100% clean, renewable solar energy to the Texas retail market. By offering simple, transparent, and reliable electricity plans to the communities it serves, Chariot Energy is transforming Texas’ energy supply while modernizing and simplifying the way solar energy is sold and delivered. Since June 2019, Chariot Energy has offered customers everyday electricity plans that make it possible to go solar without getting panels. In collaboration with its affiliate companies, Chariot Energy is able to bring competitive prices to the market by leveraging its value chain from the manufacturing of the solar modules and development of utility-scale solar plants to the delivery of renewable power to homes and businesses through the grid.

Chariot’s mission is to bring solar electricity to all, without paying a premium.

For more information, visit: https://chariotenergy.com/

174 Power Global NorthEast, LLC

174 Power Global NorthEast, LLC is a vertically integrated New York City based solar energy company that develops, designs, engineers, finances, installs and maintains solar energy systems for Commercial and Industrial customers. 174 Power Global created 174 Power Global NorthEast, LLC based upon the asset and employee acquisition of OnForce Solar, a Bronx and Manhattan based solar development firm who has permitted and built seventy-seven (77) behind the meter solar projects in Con Edison territory.

Green Bond

174 Power Global has successfully issued a Green Bond, the proceeds from which will facilitate the financing and refinancing of new and existing solar projects. Moody’s Investors Service has assigned an Aa2 rating to the proposed backed senior unsecured US dollar green notes to be issued by 174 Power Global and guaranteed by Korea Development Bank.