renewable –adj. able to be replaced by nature

plant –n. a building or factory were something is made

reactor –n. a large device that produces nuclear energy

regulator –n. an official who works for the part of the government that controls a public activity by making and enforcing rules

utility –n. a service such as electricity or water that is provided to the public

lock – v. connecting or securing together

boiling – adj. heating water or another liquid

impossible – adj. very undesirable; unable to take place

tsunami – n. a great wave produced by volcanic activity or an earthquake

hydroelectric – adj. related to production of electricity by water power