PolicyBrief
H.R. 2160
119th CongressMar 14th 2025
Maintaining and Enhancing Hydroelectricity and River Restoration Act
IN COMMITTEE

This bill establishes a new federal tax credit to incentivize investments in maintaining and improving existing hydroelectric facilities and restoring rivers through approved environmental and safety upgrades.

Adrian Smith
R

Adrian Smith

Representative

NE-3

LEGISLATION

New 30% Tax Credit for Dam Upgrades: Cash Payments Available for Hydroelectric Improvements

This new legislation, the Maintaining and Enhancing Hydroelectricity and River Restoration Act, is essentially a massive federal incentive program aimed at modernizing the country's existing hydroelectric infrastructure. It creates a brand-new tax credit—the Hydroelectric Improvement Tax Credit—equal to 30% of the cost of certain approved property improvements for qualified dams. This credit applies to projects put into service starting in 2023.

The Upgrade List: What Gets the 30% Discount?

The bill isn’t just handing out money for routine maintenance; the improvements have to address specific issues, primarily related to environmental impact and safety. For example, the credit covers new equipment designed to improve fish passage (think modern fish ladders or specialized turbines that increase fish survival), projects that improve water quality, and upgrades that help maintain habitat by managing downstream sediment flow. Crucially, it also covers major repairs or rebuilding necessary to meet federal safety and security rules. If you own an old dam, you also get a credit for removing an obsolete river obstruction (a non-powered dam that’s no longer needed) or for building a small, off-grid dam (under 20 megawatts) to power remote communities.

To keep things on the up-and-up, all these projects need written approval from the Federal Energy Regulatory Commission (FERC) or relevant state/local officials before January 1, 2032. This requirement is the main check against companies claiming credits for minor, non-essential work, though terms like “improve water quality” still leave some room for interpretation by the regulators.

The Cash Factor: Why This Credit is a Big Deal

Normally, a tax credit just reduces the tax bill you owe the government. If the credit is bigger than your tax bill, you might lose the rest. This bill changes the game by making the credit cashable (or refundable) and transferable. Under the new rules, the dam owner or investor can elect to receive the full value of the 30% credit as a direct cash payment from the Treasury, even if they owe zero taxes. Alternatively, they can sell the credit to another unrelated taxpayer for cash.

This cashability provision is a massive incentive for infrastructure investment. It means that power companies don't have to worry about having enough tax liability to use the credit; they get the cash upfront, which can immediately be reinvested. For taxpayers, however, this mechanism is where the fiscal cost comes in. Since the government is cutting a check for 30% of the project cost, this isn't just a tax break—it's a direct subsidy, which translates to a potentially significant cost to the federal budget.

Real-World Impact: Safety, Ecology, and Your Wallet

For most people, the immediate impact of this bill is indirect but positive. If you live downstream from an older dam, the incentive to perform safety and security upgrades is a clear win. Environmentally, the push for better fish passage and water quality is good news for river ecosystems and local fishing industries. For example, a commercial fisherman operating near a dam that receives a credit for installing a new fishway might see increased fish populations and better water habitat quality.

However, the bill also represents a major investment in one specific type of energy infrastructure—hydropower—funded by the federal treasury via the refundable credit mechanism. While the goal is modernization and environmental improvement, the fiscal commitment is substantial. The success of this act hinges entirely on regulators ensuring that the approved projects genuinely deliver on the required environmental and safety benefits, rather than simply being a way to funnel cash into routine capital expenditures.