Alberta's government is looking to power some of its jails with solar energy.

The province says it's planning to build solar installations at five of its 10 correctional facilities, with early energy cost savings estimated at $1 million per year.

"The solar installations are expected to offset approximately 80 per cent of the energy used at each site," Michael Kwas, press secretary for Infrastructure Minister Martin Long, said in an email.

He said the estimated savings will likely change as the in…