New Delhi, Oct. 18 -- Global plans to expand nuclear power capacity could face growing challenges from uranium supply constraints, as production from existing mines is projected to decline sharply even as demand for nuclear fuel rises, according to the International Atomic Energy Agency's (IAEA) Nuclear Technology Review 2026.

The report highlights a widening gap between the world's nuclear energy ambitions and the mining and fuel-processing infrastructure needed to support them, raising concerns over future supply security and the investments required to develop new uranium resources.

"In contrast to the future doubling of uranium requirements, uranium production from existing mines is forecast to decrease by at least 50% by 2040," the...