Women in Renewable Energy / Women in Engineering and Science (PDF)

Ms. Wang is a Technical Director at Energy Solutions and has been with the company since 2011. She develops and leads demand management projects for the Distributed Energy Resources (DER) team and drives new projects development in DERs. In 2021, she served as a contributing author of A National Roadmap for Grid-Interactive Efficient Buildings for the U.S. Dept. of Energy, which quantifies the national potential, and discusses the challenges and opportunities of developing and deploying efficient, smart, connected, and flexible building equipment and controls as a clean energy resource by 2030. She has provided technical expertise for the Statewide California Investor-Owned Utilities Team on SB 49, which requires the California Energy Commission to foster the development of smart appliances that can shift demand for electricity to when renewable power production is at its peak. She completed the Antelope Valley Transit Authority electric bus-to-grid operator efficiency project for the California Energy Commission. She also led the launch of the non-residential technology incentives programs for automated demand response for Pacific Gas and Electric and the Sacramento Municipal Utility District, as well as emerging technology pilots for Southern California Edison.



Prior to joining Energy Solutions, Ms. Wang was a Principal at Rocky Mountain Institute. She is an active member of Peak Load Management Alliance. She is also a member of the leadership team in the Association of Women in Water, Energy and Environment as well as Grid Forward. Ms. Wang has presented at industry conferences including the Demand Response & DER World Forum and American Council for an Energy Efficient Economy.






Ms. Tietjen is the President and CEO of Technically Speaking, Inc. An electrical engineer, she has spent more than 45 years in the electric utility industry where she provided planning consulting services to electric utilities and organizations