We are
Pattern Energy

Scroll Down

We develop, construct, own, and operate high-quality wind, solar, transmission, and energy storage projects across North America.

Transitioning the World to
Renewable Energy


global development portfolio and active construction


local payments over the life of our operating fleet


construction and operations jobs


operating facilities totaling ~6 GW installed capacity


commercial solar projects completed through our affiliate Solect Energy


miles of transmission in operation and in development

We are in the business of building opportunities for local communities.

Our approach begins and ends with establishing trust, accountability, and transparency. We aim to sustainably develop, construct, and operate clean, renewable energy projects in a safe and responsible manner and with respect for communities and cultures where we have a presence. 

Building transformational energy projects is not easy. But the toughness, grit, and determination of our people has been the foundation of our success since our inception.

01 /
  • When I met Pattern there was a sense of belonging. That’s the kind of business you know wants to be a part of your community.

    Myra Pancrazio Executive Director, Estancia Valley Economic Development Association
  • This wind project will secure our land for the foreseeable future. It not only does not detract from the value, it increases it tremendously. This is set revenue for the next 30 years. For those of us that live here, and have been here a long time, this is a godsend.

    Joseph Hindi Landowner, Duran, NM
  • We chose Solect in the end because they were the most responsive. They were the most innovative. They were the ones that were able to make this project a reality.

    Dan Harrison President & CEO, NuPath
  • Red Cloud Wind Project is an excellent opportunity to diversify our renewable portfolio with a high-capacity wind power project that taps into one of the richest wind regions in the country. With the combination of ideal wind conditions and the latest high-efficiency turbines, Red Cloud will provide Los Angeles with reliable renewable energy that has the highest capacity of any wind project in our power system.

    Martin Adams General Manager and Chief Engineer of the Los Angeles Department of Water and Power


  • close

    Hunter Armistead

    Chief Executive Officer

    Mr. Armistead serves as the Chief Executive Officer of Pattern Energy. He co-founded Pattern Energy with Mike Garland in 2009. Mr. Armistead oversees all aspects of Pattern, with a special focus on strategy, growth, capital formation, and company culture.

    Previously, Mr. Armistead served as Pattern’s Chief Development Officer where he had the responsibility for all development and origination activities and had broad responsibility for running the Business Development day-to-day business. He led all global business development, including construction, engineering, and major equipment procurement.

    Prior to joining Pattern Energy, Mr. Armistead spent 10 years overseeing Babcock & Brown’s North American renewable energy business, including development, construction, and operations. In previous roles, he led financing efforts for Edison Mission Energy and developed multiple facilities for Conoco. Mr. Armistead has a Bachelor of Science in electrical engineering from Rice University. He is based out of the Houston office.


  • close

    Kristina Lund


    Kristina Lund joined Pattern Energy Group as President in September 2023. Ms. Lund came to Pattern after 17 years with the AES Corporation. Her most recent position was President and CEO of AES Indiana and AES Ohio, two utilities providing electric service to 1 million customers.

    Ms. Lund also served as Chief Product Officer, Carbon Free Energy, where she led the development of innovative products under a strategic alliance with Google. As a Regional Chief Financial Officer, Ms. Lund drove financial performance and strategic execution across AES businesses in 13 countries in Europe, Asia, Central America and the Caribbean and the U.S.

    Ms. Lund holds a B.A. in Economics from Wellesley College and an M.B.A. from Harvard Business School. She and her husband have two sons, and she is an avid powerlifter. She is based out of the Houston office.

  • close

    Esben Pedersen

    Chief Financial Officer

    Mr. Pedersen is the Chief Financial Officer of Pattern Energy. Mr. Pedersen is responsible for executing capital strategy, corporate development, financial reporting, administration, and treasury activities. With over 20 years of experience, Mr. Pedersen has been involved in various levels of investment oversight and management across the energy sector.

    Prior to joining Pattern Energy, Mr. Pedersen worked for Babcock & Brown, where he focused on the origination and execution of investments in the energy sector. Before that, he worked as Manager for Enron and Senior Director for AEI, serving around the world in numerous corporate development and origination roles. Mr. Pedersen received his bachelor’s degree in Business from Stetson University and holds a master’s degree in International Economics from John Hopkins University. He is also a certified Chartered Financial Analyst.

  • close

    Cary Kottler

    Chief Development Officer

    Mr. Kottler serves as the Chief Development Officer of Pattern Energy. In this role, he oversees Pattern’s business development activities, encompassing the wind, solar, transmission, storage and green fuels sectors. These efforts include the creation and evaluation of new growth opportunities as well as advancing Pattern’s development pipeline through all phases of development, commercialization and into construction. 

    Prior to joining Pattern, Mr. Kottler served as executive vice president of Clean Line Energy. He held a number of roles at Clean Line across the development, commercial and legal sectors, with responsibilities encompassing project development, state and federal permitting processes, FERC matters, corporate compliance, financing arrangements and commercial agreements.

    Previously, Mr. Kottler was a corporate attorney for Vinson & Elkins, focusing on mergers and acquisitions, project development and private equity investments in the energy and power sector, both domestically and internationally.

  • close

    Christian Hackett

    Chief Investment Officer

    Christian serves as Chief Investment Officer of Pattern Energy. Prior to his appointment, Christian was Vice President, Finance - Head of Corporate Development at Pattern and was responsible for co-leading Pattern’s Finance Execution team of M&A and project finance professionals. He has been with Pattern Energy since its founding in 2009. Prior to joining Pattern Energy, Christian worked for Babcock & Brown’s North American energy business, where he focused on the origination and execution of investments in the renewable energy and transmission sectors. Before that, he worked for Enron as a Director, serving around the world in numerous corporate development and origination roles. Christian holds an MBA in finance from the Kellogg School of Management at Northwestern University and a Bachelor's degree in Laws and Commerce from the University of Queensland.

  • close

    Andre Walker

    SVP, Power Operations

    Andre Walker serves as Senior Vice President of Power Operations for Pattern Energy. In this role, he is responsible for the safe and reliable operations of Pattern’s global fleet of renewable energy facilities and oversees the full range of operational disciplines, including health & safety teams, field operations, engineering, asset management, energy management, regulatory compliance, supply chain, and environmental.

    Prior to joining Pattern, Andre also held a variety of leadership roles over 16 years with Calpine Corporation including Vice President of Asset Management, Vice President of Supply Chain, and Vice President of Investor Relations in addition to several other operational and commercial roles. 

     Andre has over 25 years of experience in the power and energy industries including his experiences at Air Liquide America Corporation and Praxair Inc.  Andre earned his Bachelor of Science degree in Chemical Engineering from the University of Texas at Austin. He is based in Houston, Texas.

  • close

    Sarah Webster

    SVP, External Affairs & Market Development

    Sarah Webster is Senior Vice President of External Affairs & Market Development for Pattern Energy. She oversees Pattern’s Government Relations, Corporate Communications, Stakeholder Management and Sustainability efforts.

    Sarah has been with Pattern Energy since 2013 and enjoys building relationships with company stakeholders and serving with her team as the "diplomatic core" for the company. She has worked in the energy sector for over 20 years at companies such as InterGen, Shell and Wind Capital Group and has also worked as a music critic for the Houston Press.

  • close

    Justin Sabrsula

    SVP, Fundamentals and New Markets

    Justin Sabrsula is Senior Vice President of Fundamentals and New Markets for Pattern Energy. He provides independent analysis and advice on the key fundamental drivers impacting Pattern Energy’s markets and identifies growth opportunities. He is also responsible for corporate strategy planning.

    Prior to joining Pattern Energy, Justin served as Head of Strategy for GE Renewable Energy’s Onshore Wind division where he led global business and product strategy for equipment and services. He has also held a variety of strategy, product management and marketing leadership roles across GE’s wind, energy storage and solar divisions. He values creating opportunities and driving strategy using rigorous research and analysis, to help elevate company performance.

    Justin holds a bachelor’s degree in Public Policy from Duke University and two master’s degrees, in Urban Planning and Business Administration, from The University of North Carolina at Chapel Hill.

  • close

    Derek Price

    SVP, Engineering, Procurement, and Construction

    Derek Price is the Senior Vice President of Engineering and Construction for North America. He joined Pattern in 2013, where he has overseen engineering, preconstruction, and construction. Over the course of his career, he has worked on more than 30 renewable energy facilities with a combined output of about four gigawatts.

    In his current role, Derek is overseeing preconstruction planning for over five gigawatts of new wind and solar renewable energy projects and around 1,050 miles of new high-voltage transmission line that is planned to commence construction for Pattern over the next 2-3 years, including the flagship SunZia and Southern Spirit Transmission Projects.

    Derek holds a BS in construction management and business administration from Minnesota State University, Mankato.

  • close

    Marta Ontiveros

    SVP, Human Resources

    Marta Ontiveros joined Pattern Energy Group as the Senior Vice President of Human Resources (“HR”) in January 2024. She has over 20 years of experience leading HR for global energy and industrial companies.

    Ms. Ontiveros came to Pattern from Avangrid where she led Avangrid’s Workforce Development function to provide opportunities for current and future generations to access work and economic opportunities in the clean energy industry. Before that, Marta was the Vice President of HR for Avangrid Renewables where she focused on culture, talent acquisition, organizational design, and employee engagement. At Avangrid Renewables, Marta designed and implemented the organizational structure for their new Offshore Wind business line. She developed and executed the talent acquisition strategy resulting in over 200 new hires. Before joining Avangrid Renewables, she led HR functions for BP, Schlumberger, and Permasteelisa.

    Marta grew up in Mexico, and she loves the outdoors and traveling. She and her husband have a son in college. She is based in the Houston office.

  • close

    Alvaro Corena

    SVP, Enterprise Technology

    Alvaro Corena is Senior Vice President of Enterprise Technology for Pattern Energy. He is responsible for developing, planning, and implementing the digital information strategy that enables process automation and upmost system security. He oversees the delivery and support of: business and workplace application, data architecture & analytics, IT/OT infrastructure management and Cybersecurity. He is also responsible for leading the company’s process and digital transformation initiative.

    Prior to joining Pattern Energy, Alvaro served as CIO of the GE Renewable - Onshore Wind segment where he was responsible for executing an all-encompassing digital strategy to support an aggressive business transformation to significantly improve profitability. Alvaro has over 25 years of experience in digital technology and leadership roles including 13 years with GE where he held a variety of positions as regional CIO and as Enterprise Application Leader where he led major digital transformations and ERP simplification initiatives; and 15 years with Oracle Corporation in consulting and IT M&A integration roles. Alvaro holds a Bachelor of Science degree in Computer Engineering.

  • close

    Frank Davis

    AVP, Green Fuels and Canada Country Head

    Frank Davis is Assistant Vice President, Green Fuels, and Canada Country Head for Pattern Energy. He leads Pattern Energy’s business development activities in green fuels, including green hydrogen and green ammonia production and export projects in the United States and Canada. He also acts as the senior representative for Pattern Energy in Canada, with responsibility for market development, government relations, community engagement, joint venture partnerships, and relationships with customers.

    Prior to joining Pattern Canada in 2011, carried on a commercial legal practice with one of Canada’s largest law firms. He sits on the board of the Canadian Renewable Energy Association (CanREA) and, originally from Newfoundland & Labrador, currently resides in Toronto where he manages the Toronto office of Pattern Canada.


Our Investors

Pattern Energy’s world-class capabilities, operating assets and development projects, are backed by some of the world’s largest and most knowledgeable investors. As such, Pattern is securely positioned and committed to meeting or exceeding our growth targets and advancing our mission of transitioning the world to renewable energy.