Reaching Net Zero

Sustainable world

Since 2011, our mission has been to help create a better world by working towards a Net Zero Carbon future.


Future-proofing and problem solving.

We are a dynamic energy efficiency compliance company, working with assemble project teams with a breadth of expertise to meet the needs of our clients.

By taking this approach, we choose the most effective project delivery methods. We are constantly re-engaged by our clients who value our approach.

Our qualifications.

  • Registered by the Energy Institute since 2015.

  • Registered by the Energy Institute since 2015.

  • Registered by the Renewable Energy Institute since 2021.

  • Registered by the Association of Energy Engineers (AEE) since 2015.

Our Founder

Zebra Carbon was founded by Keith Routledge in 2011. Since doing school homework by candlelight in the UK power cuts of the 1970s, he has been fascinated by energy and how we use it.

After graduating from Leeds University in 1980 with a Fuel and Energy Engineering degree, he has worked in the supply, processing and utilisation sectors of the energy business and has delivered projects in the UK, USA, China and Europe.

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  • Keith is also a part-time lecturer at the Department of Mechanical and Aerospace Engineering at Brunel University, London and has developed and delivered an MSc module in building energy management systems (BEMS) since 2017.

    He is also on the Advisory Board for the European Union Virtual Power Plants for Islands (VPP4Islands) project, assisting with disseminating learning from the project giving islands energy independence.