A warning your power bill will rise - after the Commerce Commission's issued new guidance

It's allowing increased investment in the electricity network - approving Transpower and local lines companies charging more.

The average household energy bill will go up about 10 dollars a month from April.

Powerswitch manager, Paul Fuge says it's a tough call - but necessary.

He says its unfortunate this has come at a time when so many are struggling, but they agree investment is needed.