2 ms·The Diablo Canyon plant construction is closer to WWII than it is to today.by kelseyfrog 3y agoThe Diablo Canyon plant construction is closer to WWII than it is to today.deleted 3y ago[deleted]kelnos 3y agoSo what? How long are power plants "supposed" to last?ceejayoz 3y agoDesign lifespan for a nuclear plant is typically 30-40 years or so.