What is the Fiber Reliability Project? 

The Fiber Reliability Project is an initiative by VELCO and the Vermont distribution utilities to ensure the continued reliability and security of Vermont's electric grid. This project involves expanding VELCO's existing fiber optic cable network along distribution power lines, connecting distribution substations and distributed energy resources (DERs).

Why is this important?

As more and more renewable energy sources like solar and wind power are added to the grid, it becomes crucial to gather real-time data on their performance. As more than half the system load is supported by DERs at certain times of the day, visibility into DER information is essential for transmission system operation. The Fiber Reliability Project enables the transfer of data and informs grid operators decisions to keep the power flowing smoothly and safely.

What's being done?

VELCO is installing roughly 914 miles of fiber optic cable onto the distribution system, connecting approximately 68 substations and 480 DER sites by 2025.  This work will provide a secure and reliable communication network for data transmission of Vermont's clean energy resources.

Benefits of the Project:

  • Increased Grid Reliability: Real-time data on energy sources allows for better grid management and reduces the risk of outages.
  • Data-Driven Decisions: Improved data access helps VELCO optimize operations and planning for the future.
  • Supporting Broadband Goals: The project has the potential to contribute to the broader effort of expanding broadband access in Vermont.


The project is expected to be completed by 2027.

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