UK Green Investment Bank PLC is a principal investment firm specializing in green infrastructure investments in the operational phase and construction phase. It also provides senior, secured long term debt. It also provides mezzanine financing. The firm does not provide low cost finance or grants or regional assistance and venture capital or development equity. The firm primarily invests in sustainable projects with a focus on offshore wind, green deal, non-domestic energy efficiency, waste and bio energy, onshore renewable energy, and other emerging sectors. It also invests in the non-priority bio-energy, bio fuels for transport, biomass power, carbon capture and storage, marine energy, and renewable heat sector. It seeks to invest 80 percent of its capital in the priority sectors and the remaining 20 percent in other permitted non-core sectors. Within offshore winds the firm focuses on investments in offshore wind turbines in the construction phase and operational, i.e. post development and construction, phase. Within the non-domestic energy efficiency sector the firm invests in building retrofits, including lighting, insulation, glazing; onsite generation, including CHP, renewable heat, and heat pumps; industrial process, including motors, pumps, kilns; and infrastructure, including street lighting, heat networks, transport, smart meters on an ‘all equity basis’ and may part-refinance the equity with debt. Within onshore renewable energy sector firm focus on mature onshore renewable technologies including wind and hydro-electric. The firm seeks to invest in the United Kingdom and India, South Africa and parts of East Africa (Kenya, Rwanda, and Tanzania). In this sector the firm directly participates in deals larger than £30 million ($45.49 million) in total transaction size, and indirectly in deals less than £30 million ($45.49 million) in transaction size. Within the waste sector it focuses on investments in the waste recycling, remaining waste PFI/PPPs; small scale merchant projects, less than £30 million ($45.49 million), and large scale merchant projects; and non-priority bio-energy sector. In case of larger scale merchant projects the firm seeks to invest directly and in case of small scale projects it invests indirectly. In this sector the firm provides senior, secured long term debt, on 'pari passu' terms with the other banks. It also seeks to make an equity investment of at most £15 million ($22.75 million) per project in smaller-scale projects. The firm seeks to invest minority equity investments of £10 million ($15.71 million) and £30 million ($47.13 million).Within bio-energy it seeks to invest in large biomass projects greater than 100MW, including conversion and co-financing. It also invests in small biomass projects below 100MW, partnering with other lenders and investors. Within the waste and bio energy sector it focuses on utilities and developers including energy from waste plants, anaerobic digestion, combined heat and power (CHP) plants, dedicated biomass and coal conversions, bio fuels, processing food and garden waste, in projects which utilize private, specialist fuel supply such as refuse derived fuel, commercial and industrial waste and waste wood. It seeks lending and investment opportunities that are additional to the market and may invest in the form of debt, equity, and guarantees. It can invest over short periods and long, up to 25 years. The firm typically exits its non-domestic energy efficiency investments between two to three years. UK Green Investment Bank PLC was founded in May, 2012 and is based in Edinburgh, United Kingdom with an additional office in London, United Kingdom.