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About us

Redefining the way we think about energy

Key facts

One of the world's leading independent renewable energy companies, with the expertise to develop, engineer, construct, finance, and operate projects around the globe. RES is active in a range of energy technologies including onshore and offshore wind, solar, energy storage and transmission.

#1: In an era of transformational change, our mission is to redefine the way we think about energy. This is a vital transition to a world where everyone has access to affordable low carbon energy.

RES One Mission

One mission

#2: We operate in both the centralized energy market and the evolving distributed energy market around the world.

RES Two Markets

Two markets

#3: From a project team within Sir Robert McAlpine researching early wind turbine technologies in 1982, our global portfolio now exceeds 10 Gigawatts.

RES - Three Decades

Three decades

#4: Embedding our business, environment, reputation and social principles into our operations, products, and services is powering positive change.

RES - Sustainibility Principles

Four sustainability principles

We're the ideal partner for commercial and industrial clients, project developers, asset owners, and communities.

Our values

We involved employees across the business to develop our values - in effect, the way we believe we should conduct our business.

We are accountable to each other, our shareholders, and future generations. We understand the consequences of our actions and assume responsibility for them. Our beliefs, words and actions are as one.

Personal responsibility and accountability

Personal responsibility and accountability

We are proud of our professional expertise and value our commercial focus. We aspire to be the best at what we do. We provide an environment where everyone is able to develop and learn, and we value individual and collective contribution.

Professional and commercial excellence

Professional and commercial excellence

Our business relies on the quality of the relationships we have with our employees, communities, and others. Our expertise is greatly enhanced when combined with partners locally, regionally, and internationally. Day to day, we treat them with trust, openness, and respect.

People and partnerships

People and partnerships

We are curious and relentless about finding positive solutions to today’s energy problems. We are proud of our reputation as leaders in renewable energy. And we demonstrate that a low carbon future is possible, affordable and desirable.

Powering Change

Powering change

Driven by a sense of purpose, we trust and encourage each other to challenge, question, generate and implement new solutions and ideas.

Passion and Commitment

Passion 

Timeline

We've included some of our key milestones in this timeline and look forward to adding many more in the years ahead.

2016
  • First UK energy storage project

    integrated with solar park in Somerset for Western Power Distribution.

2015
  • Developed 240 MW wind farm

    in Ararat, Australia, third largest in the Southern hemisphere.

  • Began building 120 MW Comanche solar project

    in Colorado, US, one of the largest solar facilities east of the Rocky Mountains.

  • Executed Power Purchase Agreement

    with US electric utility for the RES-developed 149 MW Deerfield wind project.

  • Acquired System 3 Inc

    A speciality electrical contractor, to supplement our transmission works.

  • Built two energy storage projects

    totaling 39.6 MW (15.6 MWh) in Illinois, US.

  • Won 18.6 MW of solar projects

    in the third round of the French tender.

2014
  • 41 MW Alamo 1 solar project

    in Texas, US

  • 5 wind projects in the US

    Developed and constructed totalling 810 MW.

  • First 4 MW (2.6 MWh) energy storage project

    became operational in Ohio, US.

2013
  • RESolve

    Developed RESolve energy management system.

  • Energised 270 MW Lincs offshore wind farm

    having provided development, engineering, & construction services to Centrica for this project.

  • Montana-Alberta tie-line Completed

    214-mile (345 km), 230 kV.

2012
  • Built first feed-in-tariff solar project in Canada.

    10 MW Rutley solar project.

  • 500 MW offshore project

    St Brieuc development in Brittany, France

  • 76 nautical miles offshore to Round 3 Hornsea met mast.

    First to provide met mast O&M services.

2011
  • 5 MW Puits Castan solar project

    Operation of first solar project in France.

  • 30 MW solar project

    Constructed in Webberville, Texas, US.

2010
  • Pour la Cour Prize

    awarded to Dr. Ian Mays, RES CEO, by the European wind Energy Association.

  • Designed & built 94.5 MW

    Havsnäs wind project, the largest onshore wind project in Sweden at the time.

2009
  • RES provided engineering support

    to develop and complete Centrica's 194 MW Lynn and Inner Dowsing.

  • Entered Turkish market

    Began development of wind and solar projects.

2008
  • Received Advocate Award

    at British Renewable Energy Awards.

2007
  • First Scandinavian wind farm

    10 MW Hornberget wind project.

  • Received awards for our advisory role

    in creating sustainable buildings by integrating renewable generation and energy saving technologies.

2006
  • Financed and constructed first US ownership asset

    60 MW Whirlwind wind project in Texas.

2004
  • Completed France's highest wind project

    On the Plateau Ardechois.

  • Completed 21 MW

    Wigton wind project in Jamaica.

  • 90 MW Inner Dowsing and 270 MW Lincs

    Began development of both offshore wind projects on behalf of Centrica.

  • Australia & New Zealand

    Start development of renewable energy projects.

  • Business Commitment to the Environment Award

    for redevelopment of RES headquarters, powered by renewable energy.

  • 95 MW wind farm

    Developed at Pampilhosa da Serra, Portugal.

2003
  • Commissioned 26 MW Altahullion wind project

    Largest wind project in Ireland.

  • Silver Medal Award

    by the Royal Academy of Engineering for Dr. Ian Mays, RES CEO for pioneering work in wind energy.

  • largest public-owned wind project in the US

    63.7 MW Nine Canyon wind project built.

2002
  • Started construction

    13.2 MW Lendrum's Bridge and 26 MW Altahullion wind projects. RES & B9 Energy double N. Ireland's wind energy capacity.

  • 20.8 MW Souleilla-Corbières project

    Largest wind project in France.

2001
  • Largest wind project in the world at the time

    278 MW King Mountain wind project in Texas.

1999
  • 47 MW Pacific Crest wind project

    California, US. Constructed for a third-party firm.

  • First wind project in California

    60 MW Cameron Ridge wind project, developed & constructed.

1998
  • First commercial 1 MW wind turbine

    Designed & built in the UK and installed in Slievenahanaghan, Co. Antrim.

1995
  • First solar PV project

    Designed & installed in the UK.

1992
  • First wind project

    Operational at Carland Cross in Cornwall.

1989
  • Moved beyond designing turbine technology to developing UK wind projects.

1982
  • A small team within Sir Robert McAlpine began innovative wind turbine engineering.