Anesco noted that it has managed several energy efficiency projects, helping over 14,000 people facing fuel poverty and generating enough green energy to power around 10,000 homes.
RBS CIB South Technology Team head Roland Emmans said that Anesco is a pioneering company in the fast-growing energy sector.
Anesco CEO Adrian Pike said, "RBS wanted to learn and understand our business models. They showed real knowledge of the sector and provided products that will save the company money in the short term, while providing a platform for us to grow significantly over the next five years.
"As well as this agreement, we are now in discussion about further funds to help us deliver free biomass and commercial solar roof top installations."
Anesco has been approved as a Green Deal Provider, besides recognized as one of the fastest growing private companies in the UK and the seventh fastest growing cleantech firm in Europe.
