Lithium-7 has two important uses in nuclear power due to its relative transparency to neutrons. As hydroxide it is necessary in small quantities for safe operation in PWR cooling systems as a pH stabilizer, and as a fluoride it is also expected to come into much greater demand for molten salt reactors.

A single 485 MWe PWR operates at Borssele.

The UK has nine operable reactors at seven sites; eight are AGRs, with one PWR at Sizewell.

The UK has nine operable reactors at five sites; eight are advanced gas-cooled reactors (AGRs), with one pressurized water reactor (PWR) at Sizewell.

One 485 MWe PWR operates at Borsselle, with plans for two more reactors.