PolicyBrief
S. 1183
119th CongressMar 27th 2025
Maintaining and Enhancing Hydroelectricity and River Restoration Act of 2025
IN COMMITTEE

This bill introduces a tax credit for investments in hydroelectric facilities that improve fish passage, water quality, safety, and access, or that remove obsolete river obstructions.

Maria Cantwell
D

Maria Cantwell

Senator

WA

LEGISLATION

New Bill Proposes 30% Tax Credit for Hydro Dam Upgrades, River Restoration Starting After 2025

This legislation, the "Maintaining and Enhancing Hydroelectricity and River Restoration Act of 2025," introduces a new tax incentive aimed at modernizing hydroelectric facilities and improving river ecosystems. If enacted, it would add Section 48F to the Internal Revenue Code, creating a 30% tax credit for specific investments in "hydropower improvement property" placed into service after December 31, 2025. The core idea is to encourage dam operators to invest in safety, environmental performance, and public access.

What Upgrades Qualify for the Credit?

The bill outlines several types of projects eligible for the 30% credit. Think of it as a checklist for giving older dams an eco-friendly and safety-focused makeover. Qualifying investments, defined as "hydropower improvement property," include:

  • Helping Fish Swim Free: Adding or improving fish passage systems (like fish ladders) around qualified dams.
  • Cleaner Water: Maintaining or enhancing the quality of water held back or released by the dam.
  • Restoring River Flow: Promoting natural sediment movement downstream to maintain habitats.
  • Safety First: Upgrading, repairing, or rebuilding dams to meet federal safety and security standards.
  • Opening Access: Improving public use of and access to waterways affected by the dam.
  • Removing Blockages: Taking out "obsolete river obstructions."
  • Powering Remote Areas: Installing specific "approved remote dams" – these are small hydro facilities (under 20 MW) licensed before 2021 that serve communities not connected to major grids and don't cause air pollution.

To qualify, these projects generally need a thumbs-up from the Federal Energy Regulatory Commission (FERC) or relevant state/local officials before January 1, 2035.

Making the Credit Work: Payment and Transfer Options

Recognizing that not all dam owners might have enough tax liability to use a big credit, the bill includes flexibility. It amends Section 6417 of the tax code to allow for "elective payments." This means certain entities, even those not typically eligible, can opt to receive the credit's value as a direct payment from the government for property placed in service after December 31, 2025. Additionally, the bill allows the credit to be transferred (sold) to another taxpayer (amending Section 6418), making it easier for projects to get financing.

The Ripple Effect: Potential Impacts

So, what does this mean in practice? On the plus side, this could spur significant investment in aging dam infrastructure, potentially leading to safer facilities, healthier rivers with better fish migration, and improved water quality downstream. Communities near these dams might see better recreational access, and isolated areas could benefit from cleaner, locally sourced power via the remote dam provision. Hydro facility owners and the companies doing the upgrade work are clear beneficiaries.

However, the effectiveness hinges on implementation. Terms like "improves the quality of water" or "improves public uses" are somewhat open-ended (Medium Vagueness). Careful oversight will be needed to ensure the tax credits genuinely support substantial environmental and public benefits, rather than just routine maintenance or minimal upgrades. While the bill aims to boost hydro, a focus here could also implicitly draw investment away from other renewable energy sources. The cost of the credits will ultimately be borne by taxpayers, banking on the idea that the long-term benefits of improved infrastructure and environmental health outweigh the immediate fiscal impact.