Plutonium Mr. Campbell-Savours asked the Secretary of State for Energy whether he will publish a table of (a) the yearly production, (b) the cumulative total and (c) the proportion of total electricity source plutonium reprocessed at Sellafield and produced at Hinkley Point A since it was commissioned. Mr. Goodlad During the period 1979–80 to 1985–86 the spent fuel discharged from. Hinkley Point A and dispatched to Sellafield contained an estimted 2,190 kg of plutonium. The estimated plutonium content of the spent fuel despatched from the CEGB's stations in the same period is 12,597 kg.