That cost will double in two years when power from Muskrat Falls comes on stream. Power rates are expected to climb substantially once Muskrat Falls comes online, with rates on the island expected to hit 23.3 cents per kilowatt hour by 2022. *** Total excludes full attic insulationThe amounts saved before and after Muskrat Falls comes online are considerably different. For instance, wall insulation before Muskrat Falls will save $469 a year, and can be paid back in six months. Payback periods are 26 months before Muskrat Falls and 13 months after.

Source: CBC News March 17, 2018 09:22 UTC