Cleantech (clean technology) refers to innovative solutions and technologies aimed at addressing environmental challenges and promoting sustainability. It encompasses a wide range of sectors, including renewable energy, energy efficiency, water conservation, waste management, and green transportation.


Three cleantech firms backed by Ludgate

Growth capital investor Ludgate Environmental Fund has backed Tamar, Micropelt and Ignis Biomass in its latest round of cleantech deals.


Bluewater Bio raises £22.5 million

With only £142 million of venture capital raised in 2011 across the entire water industry, Bluewater Bio has netted £22.5 million of capital to help it grow.


California dreaming

With Moixa part of the 16 strong UK delegation taking part in the fifth annual Clean and Cool Mission, CEO Simon Daniel gives his account of the event.


US mission for UK cleantech firms

To encourage US investment in British cleantech businesses and establish American subsidiaries, 16 companies are set to take part in the Clean and Cool Mission 2012.


First acquisition for PowerHouse following reverse takeover

Cleantech business PowerHouse Energy is to acquire the 70 per cent of shares in Pyromex Holding that it did not already own, marking its first purchase as a listed company.


eCapital closes £44 million cleantech fund

Venture capital firm eCapital has closed a third dedicated cleantech fund after reaching the target fundraising amount of €50 million (£44 million) despite a 'tough' environment.


Sainsbury’s signs RLtec in green deal

Clean technology company RLtec has signed a decade-long commercial deal with supermarket giant Sainsbury's that sees the venture capital-backed business' green smart grid technology installed in more than 200 stores.

Venture Capital Funding

Cleantech’s hottest subsectors

David Gudgin, a partner at fund manager Albion Ventures, details the growing maturity of the green market and the increasing attractiveness of solar, anaerobic digestion and hydroelectricity.


Cleantech company 9REN raises €80 million

European renewable energy company 9REN has secured €80 million (£68 million) for five solar power projects.

Venture Capital Funding

Securing investment for cleantech projects

David Gudgin, a partner at growth investor Albion Ventures, gives his take on the hot spots (and nots) in the renewable energy sector and offers tips for making a successful pitch to a venture capitalist.

Growth Planning

Time for a change

There was more support for the cleantech sector in the Budget, but is it enough? We talk to the winners of the 2009 Rosenblatt New Energy Awards about the race to save the planet.


RLtec gets further investment

Low carbon venture investor Low Carbon Accelerator (LCA) has made a further equity investment of £300,000 in London-based clean technology company ResponsiveLoad - which trades as RLtec.