"Throughout that period, we've worked hard to shield our customers from the full impact, absorbing costs where we could and delaying increases for as long as it was responsible to do so.
"Unfortunately, we have now reached the point where the combined impact of wholesale energy costs and regulated network and system costs is simply too significant for us to continue absorbing. "
Wilson added that when the costs of electricity fall the company will "look to reflect that in the prices our customers pay".
Share Energy, has 41,092 customers, 417 of those are commercial customers and 40,675 are domestic.
The company is owned by local business people with long experience in the renewable electricity industry.
It said it will contact customers directly with the new prices, and will offer support to those who may have difficulty paying their bills.
