| Resource Type | Case Study |
| Author / Source | Kevin Brehm, Mary Tobin (RMI) |
| Publication Date | 2024 |
| Location | United States (multi-state analysis) |
| Initiative Type | Program, Technology, Partnership |
| Project Complexity | Advanced |
| Recommended For | Board, Staff |
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Estimated reading time: 30+ minutes
Why This Matters for Rural Electric Co-ops
Virtual Power Plants (VPPs) aggregate member-owned DERs (batteries, EVs, smart thermostats) to provide grid capacity and resilience without building new peaking plants. For rural electric cooperatives facing load growth, extreme weather, and affordability pressure, this is a meaningful alternative to costly infrastructure upgrades.
This flipbook draws on real-world examples from 15+ utilities and outlines practical implementation steps, making it highly relevant for co-ops exploring demand flexibility, battery programs, EV management, or non-wires alternatives.
Key Takeaways
| › | Successful VPP design follows six iterative steps: define objectives, baseline resources, draft program design, engage stakeholders, implement, then iterate. |
| › | Leading practices include open-access program design allowing multiple vendors, long-term (5+ year) enrollment structures, incentivizing DER adoption to increase participation, and cross-functional coordination across planning, operations, and customer teams. |
| › | Co-ops can play different roles in a VPP (offtaker, operator, enrollment manager, or payment channel) with models ranging from fully utility-orchestrated to third-party operated. |
| › | Member experience drives enrollment: simple dispatch, easy sign-up, and clear incentives matter most. |
Implementation Considerations
- Cost or Funding Requirements: VPPs may require investment in DERMS (Distributed Energy Resource Management Systems), IT integration, incentive budgets, and vendor partnerships. However, VPPs can defer or replace capital-intensive peaking plants or transmission and distribution upgrades.
- Regulatory or Governance Considerations: Co-ops must evaluate how VPP capacity is treated in integrated resource planning, G&T coordination, and wholesale market participation (if applicable).
- Staffing or Technology Requirements: Cross-functional teams spanning planning, operations, and customer programs are essential. Automation of dispatch and administrative processes improves scalability. Smaller co-ops may need third-party aggregators or shared services to manage operations.
Notable Examples
- Holy Cross Energy: Rural Colorado co-op launched a battery VPP (Power+) using on-bill financing to remove upfront cost barriers for members.
- Green Mountain Power: Utility-owned residential battery program delivers 30 MW of capacity and up to $3 million in annual member savings.
- Arizona Public Service: Smart thermostat program grew from 42 MW to 145 MW by prioritizing simple enrollment and responsive member incentives.
- Sacramento Municipal Utility District: Partnered with third-party aggregator Swell Energy to operate a solar-plus-storage VPP, freeing SMUD staff to focus on dispatch strategy.
View Full Document Requires name and email to access
Estimated reading time: 30+ minutes
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