# U.S. Department of the Treasury

Type: organization

Source: Supply Chain Intelligence Brief — https://getsupplybrief.com/entity/us-department-of-the-treasury-83b66c
Canonical HTML page: https://getsupplybrief.com/entity/us-department-of-the-treasury-83b66c

## Timeline

- **2026-03-19T12:13:31Z**:  — Treasury issues first set of rules for domestic content qualification.
- **2026-03-19T12:13:31Z**:  — New rules specify that wafer origin is tied to the location of ingot production.
- **2026-03-19T12:13:31Z**:  — Projected date for major US wafer plants to reach full production scale.
- **2022-08-16**: IRA Enacted — Inflation Reduction Act introduces the 10% domestic content bonus.

## Recent coverage (1 stories)

### US Wafer Origin Rules Threaten Solar Domestic Content Tax Bonuses
2026-03-19 12:13:31 · Sentiment: Bearish · Impact: 7/10 · Sources: 2

New regulatory clarifications regarding the origin of solar wafers are jeopardizing the 10% domestic content bonus for U.S. solar projects. As the Treasury Department tightens definitions, developers face a critical supply gap in domestic wafer production that could stall multi-billion dollar decarbonization efforts.
Full story: https://getsupplybrief.com/story/us-wafer-origin-rules-solar-supply-chain-impact

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