Related Clues:

• Powerful agency about to take on a member of the cast
• Clergyman touring a power plant
• A grave mob shattering explosive device
• Provider of nuclear power
• It's a pile of energy
• Creator (anag.)
• Weapon that might cause a grave mob riot?
• A grave old doctor spells out a threat to humankind
• A mob, misguided, going round grave for explosive device
• Priest accepting a nuclear facility
• Priest taken around a nuclear facility
• Nuclear explosive device
• It's grave after a mob trashed device
• Minister securing a source of power
• Having reached zero megabytes twice, it's very destructive