Early on Monday February 18 the shares were trading around 87 pence each, roughly 9.5% up on the Friday close.
Novera is one of the largest independent UK renewable energy groups and owns landfill gas and waste sites as well as wind farms. It has a capacity to generate 122MW and plans to take that up to 250MW by 2011.
Nearly all the output is sold on long-term contracts to energy groups such as
The UK government has regulations in place making energy distributors buy a growing proportion of their energy from renewable resources.