It's not a separate supply.
When I use a unit of electricity, from wherever it's sourced, Bulb will put a unit into the grid from a renewable source.
It's right there in the text man.
Seems pretty green to me:
We supply all our members with 100% renewable electricity and 10% green gas. When you switch to Bulb, we make sure that for every unit of electricity you use, a unit is produced and put on the grid by a renewable source like Llyn Brenig Hydro in North Wales. In...
I've decided to move from Utility Warehouse to Bulb recently, change over hasn't completed yet though.
Two reasons:
- a mate of mine recommended them
- UW have for the last six months been debiting me hundreds of pounds and then refunding me the following month despite being given meter...