EnergySage Editorial Team
We are clean energy experts, technical writers and journalists dedicated to helping you explore clean energy solutions with deeply-researched, accurate, and unbiased content.
We make the complex approachable. We make the often-opaque clean energy industry transparent. We help you feel confident making the best choices for you.
Our experts
Charlie Hadlow
President & COO
Charlie is the President and COO at EnergySage. He leads the company's consumer-focused vision and accelerates growth into new verticals and go-to-market strategies. He holds a BA in Public Policy from Duke University and an MBA from Georgetown.
Emily Walker
Content Lead
With over five years of experience in environmental science and clean energy, Emily is an expert in solar, battery, and energy management technology and policy. She holds a Master of Science in Environmental Science and Policy from Johns Hopkins University and a Bachelor’s Degree in Environmental Science and Biology from Colby College. Emily is always looking for ways to live her life more sustainably and is currently in the process of electrifying her home.
Alix Langone
Senior Research Analyst
Alix is passionate about making clean energy affordable for everyone and her goal is to help consumers feel confident about making smart money moves in the renewable energy space. Prior to joining EnergySage, Alix was a staff writer at CNET, Money, and Time magazine, and her writing has appeared in various outlets like Fortune and Insider. She also worked in digital production at NBC Nightly News with Lester Holt, and holds an MA from the Craig Newmark Graduate School of Journalism at CUNY and a BA from Villanova University.
Sylvia Daly
Senior Content Operations Manager
Sylvia is dedicated to creating informative content that educates consumers about clean energy solutions. Before joining EnergySage, she spent 14 years producing global campaigns and strategic content to help shoppers make informed purchasing decisions in the manufacturing and software industries.
Kristina Zagame
Senior Writer
Kristina is a multimedia journalist passionate about renewable energy and sustainability. She aims to simplify data and information so consumers feel empowered to make smart decisions for their wallets and the planet. Her work has been featured on EcoWatch, MarketWatch, and World Economic Forum. Before EnergySage, Kristina’s reporting took her all over the U.S., as well as Puerto Rico and Chile, working as a TV news reporter for ABC and NBC affiliate stations.
Isabelle Kagan
News & Lifestyle Writer
Isabelle is always on the lookout for clean energy news that informs and educates readers. She values the importance of consumer education content, as well as service journalism that helps consumers through the buying process, having previously worked as a product review expert and buying guide editor. She’s deeply invested in climate action and is dedicated to making clean energy solutions accessible and attainable for all. Her work has appeared in USA Today, Yahoo, AOL, and MSN.
Casey McDevitt
Contributing Writer
Casey is an EnergySage writer covering solar, community solar, and sustainability. She is passionate about making clean energy more accessible to everyone and has worked in clean energy communications since graduating from the University of New Hampshire with a Bachelor’s in Business Administration.
Erik Holvik
Director of Business Development
Erik Holvik is the Director of Business Development at EnergySage where he leads all new business on the B2B side of EnergySage's marketplace. Erik has been with EnergySage for over three years working with contractors, manufacturers, software companies, educational institutions, hedge funds, and banks.
Nicole Harper
Energy Advisor
Nicole has been with EnergySage for over a year but her passion for clean energy spans a decade. She has studied environmental science and natural resources, and even taught environmental education for over six years. She came to EnergySage with a drive to have a bigger impact on the climate crisis and help provide homeowners with the education and motivation they need to go solar. In her short time at EnergySage, she has helped educate thousands of shoppers about clean energy solutions, and transitioned hundreds EnergySage shoppers to going solar.
Vikram Aggarwal
Founding CEO, Board Member, Climate Tech Speaker
As the founder of EnergySage, Vikram is an authority on all things renewable and solar. His thought leadership on renewable energy is published with Bloomberg, Consumer Reports, The Energy Gang, Forbes, Kiplinger, The New York Times, and more. He also regularly appears on podcasts such as NPR’s Here and Now and speaks at major industry conferences such as RE+ to share clean energy data and insights on policy, incentives, and savings. Vikram has an MBA from Northeastern University and is a CFA charterholder.