Federal Energy Regulatory Commission Approves Revised Exhibit G Drawings for Cocheco Falls Dam Hydroelectric Project

The Federal Energy Regulatory Commission (FERC) has issued a delegated order approving revised Exhibit G drawings for the Cocheco Falls Dam Hydroelectric Project No. 4718, operated by Cocheco Falls Associates. The revised drawings were filed on November 6, 2023, and meet the Commission's rules and regulations. The approved drawings will be made part of the license and include modifications to mark non-project facilities, show the project's transmission line, and include land associated with the fish ladder and debris sluice gate. The licensee, Cocheco Falls Associates, must file the approved exhibit drawings in electronic format within 45 days of the order's issuance.

Key Takeaways:

• The Federal Energy Regulatory Commission (FERC) has approved revised Exhibit G drawings for the Cocheco Falls Dam Hydroelectric Project No. 4718, filed by Cocheco Falls Associates.
• The revised drawings meet the Commission's rules and regulations, including marking non-project facilities, showing the project's transmission line, and including land associated with the fish ladder and debris sluice gate.
• The licensee must file the approved exhibit drawings in electronic format within 45 days of the order's issuance.
• Each exhibit drawing must include a minimum of three known reference points for GIS georeferencing and be in a format that meets the Commission's specifications, including a black & white raster file with a 300 dpi resolution.
• The project boundary GIS data must be in a georeferenced electronic file format and positionally accurate to ±40 feet to comply with National Map Accuracy Standards.
• The filing must include a separate text file describing the spatial reference for the georeferenced data, including the map projection, map datum, and units of measurement.

Statistics:

• 90 days: The time period within which the licensee was required to file the initial revised Exhibit G drawings pursuant to Article 205 of the license.
• 45 days: The time period within which the licensee must file the approved exhibit drawings and geographic information system (GIS) data in electronic file format.
• 300 dpi: The required resolution for each exhibit drawing in electronic format.
• ±40 feet: The positional accuracy required for the georeferenced electronic boundary data file to comply with National Map Accuracy Standards.

Sources:

• Federal Energy Regulatory Commission (2023). Cocheco Falls Dam Hydroelectric Project No. 4718-042. Document Accession #: 20250609-3015. Filed Date: 06/09/2025.
• Federal Energy Regulatory Commission (2024). Regulations, 18 C.F.R. § 385.713.