Large Load Tariff Design Principles

CIN Admin
CIN Admin
  • Updated
Resource Type Article
Author / Source Alyssa Perez, Sarah Wang, Lauren Shwisberg (RMI)
Publication Date 2025
Location United States
Initiative Type Policy, Program, Partnership
Project Complexity Intermediate
Recommended For Board, Staff

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Estimated reading time: 10 minutes


Why This Matters for Rural Electric Co-ops

Rapid growth in electricity demand from large industrial customers and data centers can create significant infrastructure costs that risk being shifted to other customers. This article outlines rate design and tariff structures that ensure large new loads pay their fair share of grid investments. For rural electric cooperatives, these concepts are particularly relevant as co-ops pursue economic development opportunities while protecting existing members from cost shifts and rate increases.


Key Takeaways

Rapid growth of large electricity users can require major grid investments.
Rate structures should ensure new large loads pay the full cost of infrastructure needed to serve them.
Contract structures and minimum demand commitments can reduce risk to existing customers.
Transparent cost allocation and long-term planning help balance economic development with affordability.

Implementation Considerations

  • Regulatory or Governance Considerations: Co-op boards must carefully evaluate economic development agreements with large loads.

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Estimated reading time: 10 minutes

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