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Photo of Heather Calderwood
Heather Calderwood
Policy Analyst

Heather Calderwood is a policy analyst working primarily on the Database of State Incentives for Renewables and Efficiency (DSIRE) project. Heather received her Master’s degree in Energy Regulation and Law (magna cum laude) from Vermont Law School (VLS). At VLS she worked as a research associate at the Institute for Energy & the Environment focusing on biomass sustainability for the State of Vermont. Previously she worked in the Hawaii State House and Senate, with the Public Service Commission and Hawaii Clean Energy Initiative, and for nonprofits advancing positive environmental change. Heather received her Bachelor’s degree in Political Science, from The University of Hawaii at Mānoa. Phone: 808-292-3350 Email:

Photo of Ethan Case
Ethan Case
Policy Analyst

Ethan Case joined the Center as a Policy Analyst in 2014. His job is to maintain and improve the Database of State Incentives for Renewables and Efficiency (DSIRE) by following changes to clean energy policy development. Before joining the Center, Ethan worked for two solar companies, held various positions with nonprofits advancing climate and environmental policy and consulted for energy and environmental businesses and nonprofits. Ethan holds a B.A. from Davidson College and a Masters of Environmental Management from Duke University’s Nicholas School of the Environment. Phone: 919-515-5689 Email:

Photo of Tommy Cleveland
Tommy Cleveland
Renewable Energy Project Coordinator

Tommy Cleveland is the Renewable Energy Project Coordinator where he leads the Center’s solar energy testing and demonstration program, works toward Plug and Play photovoltaic codes, standards, and systems, conducts renewable energy site assessments and provides technical support to a wide variety of solar projects and stakeholders across North Carolina and beyond. From 2008 to 2012, Tommy taught the solar energy course in Mechanical and Aerospace Engineering department at N.C. State, and is now teaching solar courses in the Environmental Technology and Management department.  He has been a licensed professional engineer (PE) in North Carolina since 2007.  He graduated Sum Cum Laude with a B.S. in Mechanical Engineering and a minor in Business Management and a M.S. in Mechanical Engineering from  N.C. State University.  His interest in renewable energy led him to the Solar Center where he performed his master’s thesis on energy metering methods for domestic solar hot water systems. Industry Involvement: Board of Directors, Solar Rating and Certification Corporation (SRCC); Solar America Board for Codes and Standards (Solar ABCs) Steering Committee; Member of N.C. Sustainability Association and American Solar Energy Society (ASES). Phone: 919-515-9432 Email: