U.S. and Saudi Arabia Sign Landmark 123 Civil Nuclear Agreement

This agreement marks a dramatic departure from decades of U.S. non-proliferation strategy. Washington had long conditioned any 123 Agreement with Riyadh on the Kingdom accepting "gold standard" safeguards — forgoing domestic enrichment and reprocessing, and adopting the IAEA Additional Protocol. Through FY2025, Congress had even restricted certain export-support funds for Saudi nuclear cooperation unless those conditions were met. By waiving those restrictions in favor of U.S.-managed operational controls, the administration is fundamentally changing how Washington handles civilian nuclear deals in volatile regions.

The U.S. and Saudi Arabia officially signed the civilian nuclear cooperation pact — a 123 Agreement — along with a bilateral safeguards agreement. Signed by U.S. Energy Secretary Chris Wright and Saudi Energy Minister Prince Abdulaziz bin Salman, the deal establishes a legal framework for American companies to build and support civil nuclear infrastructure in the Kingdom over a 30-year term. The agreement now moves to Congress for a mandatory 90-day continuous-session review period; lawmakers could block it only by passing a joint disapproval resolution with a veto-proof majority.

The enrichment clause is conditional, not immediate. Domestic enrichment will not happen overnight. A joint U.S.-Saudi study — expected to run roughly two years — must first determine whether uranium enrichment in the Kingdom is warranted and commercially viable. If greenlit, any facility would be built and operated directly by American firms, such as Westinghouse, without transferring sensitive enrichment know-how to Saudi hands.

Clarification: enrichment vs. reprocessing. The two proliferation-sensitive pathways at issue are technically distinct. Enrichment produces weapons-grade uranium and is the specific capability this 123 Agreement addresses. Reprocessing spent nuclear fuel to extract plutonium is the other pathway to bomb-grade material — and is the pathway the "gold standard" also requires a state to forgo. Public reporting on this deal has centered on the enrichment clause; the agreement's reprocessing terms have not been detailed in the same depth, and that gap is worth watching as more of the text becomes public.

Administration pushback. Responding to non-proliferation critics, Energy Secretary Chris Wright said the deal "upholds the highest standards of nuclear safety and nonproliferation," while unlocking billions in commercial opportunities for American industry. Officials argue that without U.S. involvement, Saudi Arabia would likely turn to Russia or China — nations offering nuclear technology with far fewer strategic safeguards.

Named opposition and proliferation fears. The deal is drawing sharp criticism on Capitol Hill. Sen. Ed Markey (D-MA) warned the agreement risks "potentially enabling nuclear proliferation in Saudi Arabia and igniting an arms race in the region." Non-proliferation expert Henry Sokolski, of the Nonproliferation Policy Education Center, has pointed to the regional precedent this sets — asking what standard it establishes for the UAE, Turkey, and Egypt, all of which could point to Riyadh's deal as justification for their own enrichment ambitions.

Why this matters. The UAE accepted the gold standard in 2009 to build its Barakah plant. Saudi Arabia — with Crown Prince Mohammed bin Salman on record saying the Kingdom would pursue a weapon if Iran ever did — is being handed a materially looser bar, at a moment when the region is already on edge over the Iran war. Whether U.S. operational control over any future enrichment facility proves durable, or becomes a point of future renegotiation, is the open question this deal leaves on the table.

For more on this story and ongoing West Asia Desk coverage, visit navvyasignal.com.