Cassy Koester


Future of Energy:
FOE Policy and Regulation

Market Analysis and Resource Planning:
Energy contracts, Gas Market Modeling, Integrated Planning, Procurement and hedging advisory, Risk management policies and programs

Regulatory policy, Regulatory strategy

Cassy Koester

Project Manager

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Summary of Experience

Cassy Koester has over 16 years of experience in the utility industry working at a large multi-jurisdictional utility. Cassy has a wealth of knowledge in electric and natural gas trading, natural gas resource planning, and regulatory policy development related to net-zero carbon initiatives and clean natural gas. 

Before joining Concentric, Ms. Koester served as a gas trading manager and regulatory specialist. Her responsibilities included purchasing natural gas for LDC customer needs, natural gas risk mitigation and hedging strategies, gas purchase contract negotiations, and providing witness testimony in front of the Colorado PUC. Her prior regulatory responsibilities included rate case project management, tariff development, regulatory strategy on complex technical issues, and electric market development and trading.   


B.S., Chemical Engineering, Colorado School of Mines

Testified Before

Colorado Public Utilities Commission 

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