Past federal funding data is collected from Clean Investment Monitor and the Internal Revenue Service. According to Clean Investment Monitor “All Federal Funding”, as shown in the first figure, reflects disbursed funding from IRA and IIJA. Past tax credit uptake estimates assume that 100% of eligible credits were taken in that time period.

Government spending projections from the Congressional Budget Office are used to estimate baseline funding values. This analysis uses the initial estimates from 2022 and updated estimates from 2023. State-level data was used to downscale national estimates for each provision. Additional funding estimates are calculated using internal analysis and external modeling to determine how much technology is needed for clean energy target alignment. Methods for the IRA funding analysis can be found here.

The Clean Growth Tool estimates local feasibility for clean technology, which was matched to technology covered by tax credits. In 2024, RMI and Brookings Institute released the Clean Growth Tool to help regions identify their best potential for manufacturing and industry expansions specific to their resources.

We will update these figures as new information becomes available.

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