Mission Geo, in collaboration with GeoExchange, is hosting an enlightening webinar series showcasing the multifaceted benefits of geothermal heat pumps, including cost savings, workforce development, energy efficiency, and grid resilience.
INTRODUCTION
The second episode in the Geothermal Heating and Cooling Webinar Series examined how geothermal systems strengthen grid resilience, reduce utility costs, and modernize infrastructure through strategic utility partnerships.
The discussion focused on thermal energy networks, peak load management, avoided infrastructure investments, and cooperative-driven innovations—all critical components in decarbonizing and stabilizing America’s energy systems.
The webinar series is an initiative of Mission Geo, a multifaceted outreach and education effort aimed at elevating the understanding of ground source heat pump technology and promoting the economic and energy security advantages of geothermal heating and cooling.
SUMMARY
- Peak Demand Reduction: Geothermal heating and cooling systems significantly lower electric and gas peak loads, helping utilities defer or avoid costly capacity upgrades.
- New Utility Business Models: Thermal energy networks (TENs) enable utilities to own and operate underground infrastructure, preserving long-term revenue while supporting net-zero goals.
- Cooperative Innovation: Electric co-ops are pioneering programs like free-loop installations and temporary riders that lower costs, improve load factor, and increase system margins.
- Grid-Level Value: Geothermal deployment delivers benefits beyond the building, reducing systemwide costs, extending infrastructure lifespan, and providing stable, efficient load profiles.
PEAK LOAD MANAGEMENT AND GRID RESILIENCE
- Geothermal systems reduce peak demand by shifting load away from extreme weather events. “The theoretical efficiency of pulling heat from the ground is about 2.4x greater than from the air,” said David Podorson (Xcel Energy).
- Networked systems further amplify these effects. “Studies show up to 45% peak demand reductions when residential and commercial buildings share loops,” Podorson added.
- Kevin Kitz (KitzWorks) emphasized that every geothermal installation “lowers everyone else’s cost of power,” citing a 2023 study from the National Renewable Energy Laboratory (NREL) modeling grid impacts of geothermal deployment reduces the need for gas peaker plants, transmission upgrades, and bulk generation.
- At CK Energy Cooperative in Caddo County, Oklahoma, Boyd Lee reported four megawatts shaved from peak load through residential geothermal alone. This is “a massive number for a 27,000-meter co-op.”
UTILITY THERMAL ENERGY NETWORKS (TENs)
- Xcel Energy is piloting Utility Thermal Energy Networks (TENs) where the utility owns and operates all below-ground infrastructure (g., pipes, boreholes, pumps) while residential and commercial customers install their own water-source systems connected to the shared thermal loop.
- Podorson explained this model is being evaluated as a non-pipe alternative for the gas business: “It helps us decarbonize while preserving the infrastructure model utilities rely on.”
- “We already dig up streets and install pipes,” Podorson said. “This is the same model: long-lived infrastructure, amortized over decades, serving thousands of customers.”
COOPERATIVE INNOVATION AND PROGRAM DESIGN
- Boyd Lee described CK Energy’s “Free Loop” program, in which the co-op covers the cost of drilling and loop installation. The result: roughly 1,600 geothermal systems installed and 10% residential saturation achieved over 12 years.
- A temporary rider ($0.0016/kWh) funds loop installation. As geothermal adoption grew, the improved load factor and increased sales led to $1.2 million in annual margins, returning more to members than the cost of the rider.
- CK Energy’s measurable impact is $1.2 million in additional margins each year, with total value from 1,600 installed systems projected at $35 million over 30 years from avoided infrastructure costs and wholesale savings to the cooperative,” Lee said.
- The model also avoids fuel volatility. “Every time the GHP comes on, it draws less energy from the grid because of the power plant you buried,” Lee said.
GRID VALUE AND INCENTIVE JUSTIFICATION
- Kevin Kitz estimated that a geothermal system for a single home “delivers $8,000–$20,000 in avoided grid costs, and in some scenarios as much as $40,000.”
- He advocated for rate basing geothermal infrastructure, comparable to how gas pipelines and electric lines are treated as regulated infrastructure, as rate-basing geothermal loops ensures long-term financing and fair cost distribution.
- “It benefits all ratepayers and removes the upfront barrier to adoption,” Kitz said. “If utilities fully valued these benefits, they could cover installation at zero cost to the homeowner—and still lower costs for other ratepayers.”
POLICY IMPLICATIONS AND INDUSTRY OUTLOOK
- Ryan Dougherty (GEO) noted the urgent need for policy certainty as Congress undertakes new reconciliation measures: “We need geothermal heating and cooling to be understood as a national grid reliability solution.”
- Dougherty pointed to longstanding federal tax credits, first enacted in 2008 and extended by the 117th Congress, as a critical driver of market growth, but stressed that these incentives require continued political support and public awareness to remain effective: “The stakes are high. We’re facing ‘Hot PJM Summer’—historic power demand across the eastern U.S.”
- Dougherty called on utilities, co-ops, and legislators to align policy and incentive structures to reflect geothermal’s measurable value to consumers and the grid.
CONCLUSION
- This session demonstrated that geothermal heating and cooling is not merely a building-by-building solution, but a powerful tool for grid modernization, decarbonization, and utility innovation.
- From urban thermal networks to rural co-op strategies, the value of geothermal extends far beyond energy savings. It reduces infrastructure costs, improves reliability, and supports long-term affordability while creating new business models for utilities navigating the energy transition.
- Geothermal systems align especially well with rural and community-based utility models, offering scalable tools for local energy independence, reliability, and cost control
- As more stakeholders embrace this technology, geothermal is poised to become a foundational element of America’s energy future.