More than £140,000 of prize money is available in the competition, which is open to schemes that have been operational for at least one year.
Categories include renewable energy, energy efficiency, energy business and a new award launched this year for schools.
The Ashden Awards is designed to promote the widespread use of local, sustainable energy as a tool for tackling the causes of climate change and providing social and eocnomic benefits to communities.
For more information, including downloadable application forms, visit www.ashdenawards.org77
