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Outage: 1-800-279-2249    |    Office:  1-800-279-2249    |    Office Hours:  7:30 AM - 4:30 PM

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Transformer/Service Size Increase Request

Are you planning to purchase a tankless water heater or a home EV charger?  If yes, please contact Grundy Electric Cooperative first.  If a member requests an increase in transformer or service size due to special equipment, the member may pay the incremental cost of the transformer replacement as well as any additional metering and service related costs.  The facility fee will also be increased.

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Contact Information

Grundy Electric Cooperative

Outages:  1-800-279-2249

Office:  1-800-279-2249

4100 Oklahoma Avenue

Trenton, MO 64683

Business Hours

Monday – Friday

7:30 a.m. - 4:30 p.m.

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©2025 Grundy Electric Cooperative, Inc. All Rights Reserved | Grundy Electric Cooperative is an equal opportunity employer and provider.

  • About Us
  • Account Services
    • Capital Credits
    • Connect/Disconnect Service
    • New Membership
    • Single/Joint Memberships
    • Rates-Residential Single Phase
    • Rates-Three Phase Service
    • Rates-Private Area Lighting
    • Transformer/Service Size Increase Request
  • Bill Payment Information
    • Understanding Your Bill
    • eBiz Online Payment
    • Direct Debit Bill Payment
  • Community Programs
    • GEC Community Foundation
    • Operation Round Up
    • Iowa RECare
  • Electric Vehicles
  • Member Services
    • Youth Leadership Program
    • Coop Connections
    • Private Area Lighting
    • Vegetation Management
    • Rebates
    • Business Lighting Program
  • Outages
    • How To Report A Power Outage
    • Restoring Power
    • Emergency Preparedness
  • Renewable Energy
    • Should I Buy Solar
    • Green Power
    • Solar Fact Sheets
    • Net Metering & Interconnection Act
  • Safety