Sign in Subscribe
Independent regulatory commissions

FERC Approves WEC Energy Group's Grand Rapids Hydroelectric Project Modifications

Strategic Insights

— 1 min read

The Federal Energy Regulatory Commission (FERC) has authorized WEC Energy Group to proceed with modifications to the Grand Rapids Hydroelectric Project, addressing seepage issues on the left canal embankment. The agency approved the proposed work, citing satisfaction with the design drawings, technical specifications, and quality control and inspection plan (QCIP) submitted by WEC Energy Group.

Key Takeaways:

  • WEC Energy Group's proposal aims to provide a filtered exit for seepage on the slope of the left canal embankment, near the toe, and downstream of the embankment.
  • The modifications include constructing a 220-foot-long reverse filter at the toe of the embankment, replacing a culvert passing beneath County Road P-3, and constructing filter relieve trenches at three locations near the embankment toe.
  • The FERC's review of the design drawings, technical specifications, and QCIP did not identify any concerns or discrepancies.
  • WEC Energy Group's Temporary Construction Emergency Action Plan (TCEAP) was prepared in accordance with Chapter 6, Section 6-9 of the FERC Engineering Guidelines for Temporary Construction Emergency Action Plans.
  • The agency granted an extension of time to complete the proposed modification, allowing WEC Energy Group to finish the work by December 31, 2026.
  • A Final Construction Report must be submitted within 90 days after the completion of the work, including certification from the Design Engineer, QCIP Manager, and Licensee.

Statistics:

  • 1,020 feet of County Road P-3 will be raised along the toe of the embankment.
  • 1,330 feet of culvert will be replaced.
  • 220 feet of reverse filter will be constructed.
  • 3 filter relieve trenches will be constructed near the embankment toe.
  • $X Doe (estimated cost) was allocated for the project's modifications.
  • Construction is expected to be completed by December 31, 2026.

Sources:

  • WEC Energy Group's letter to FERC dated August 21, 2025, proposing the modifications to the Grand Rapids Hydroelectric Project.
  • Joji Cherian, P.E.'s design drawings and technical specifications submitted to FERC in August 2025.
  • WEC Energy Group's Temporary Construction Emergency Action Plan (TCEAP) prepared in accordance with Chapter 6, Section 6-9 of the FERC Engineering Guidelines for Temporary Construction Emergency Action Plans.
  • FERC's letter to WEC Energy Group dated October 16, 2025, granting the extension of time to complete the proposed modification.
  • Guidelines for Construction Reports from Licensees (FERC document).

Read more