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Like our business, we’re truly global – but proudly local. Find contact and location details for every RES office.

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About RES

About us

We live our mission, celebrate the people making it happen and transform the way the world produces and consumes energy.

Our company

We truly care about what we do, and its impact on the world around us.

Everyone at RES takes pride in our collaborative culture, working together to deliver solutions that make positive environmental, economic, and social change possible.

Vision and values

Let’s work together to create a future where everyone has access to affordable zero carbon energy.

Our values are the guiding principles of how we approach our work, driving change and moving the world towards a clean energy future.

Passion

Accountability

Collaboration

Excellence

Sustainability

Sustainability is at the center of all that we do, from the solutions we provide to how we operate our business.

It defines how we develop our projects, and how we construct, manage, and optimize our customer assets. We believe value creation and enhanced business performance can follow from meeting the world’s critical social and environmental needs

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Safety

Safety is of the utmost importance. We strive to ensure that everyone that works for us, and alongside us, goes home safe every day.

We aim to deliver best-in-class health and safety performance while developing a zero-harm culture. We continually assess how we’re improving, advocating for the reporting of near misses to identify and prevent future incidents.

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Why RES

Collaboration is central to how we work. We combine our technology and talents to deliver better outcomes for people and the planet.

With 40 years of experience and over 2500 people employed around the world, we’re able to put our expertise to good use and power positive change.

Expertise

Highly skilled team of people who deliver best-in-class results tailored to your specifications.

Consistency

Overseeing the entire project from start to finish gives deep understanding and ensures a fully standardized approach.

Partnership

We consult with care, collaborating with everyone from landowners to investors to drive the best outcomes for all.

Outstanding results

Our focus on excellence means we deliver successful projects that meet the needs of the modern energy market.

Our clients

Digital innovation

Through our innovative technologies and solutions, we’re building a better planet.

Related resources
Resources
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Timeline

Here are some of our key milestones.

1981
1989
1992
1995
1998
1999
1999
2001
2002
2002
2003
2003
2004
2004
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2004
2007
2008
2010
2011
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2015
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2019
2020
2021
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2023
1981
The start of RES

a small team within Sir Robert McAlpine began innovative wind turbine engineering

1989
We moved beyond designing turbine technology

to developing, constructing and operating renewable projects

1992
Our first wind project

Carland Cross, the second commercial wind farm in UK

1995
We delivered our first solar PV project

designed and installed in the UK

1998
First commercial 1 MW wind turbine

designed and built by RES

1999
Our first wind project in California

60 MW Cameron Ridge wind project, developed and constructed

1999
We started third-party construction

completing the 47 MW Pacific Crest wind project in California

2001
Our people constructed the largest wind project in the world

278 MW King Mountain in Texas

2002
We delivered the largest wind project in France

20.8 MW Souleilla-Corbières project

2002
We doubled Northern Ireland's wind energy capacity

with the completion of Lendrum's Bridge and Altahullion wind projects

2003
We built the largest public-owned wind project in the US

63.7 MW Nine Canyon Wind

2003
Moved into our award-wining low-emissions global headquarters in Hertfordshire

once the Ovaltine Egg Farm housing chickens it is now powered by renewables

2004
Developed a 95 MW wind farm

at Pampilhosa da Serra, Portugal

2004
Entered Australia and New Zealand

started development of renewable energy projects.

2004
Began development of two offshore wind projects

90 MW Inner Dowsing and 270 MW Lincs on behalf of Centrica

2004
We completed a wind project in Jamaica

the 21 MW Wigton Wind Farm

2007
Our first Scandinavian wind farm

10 MW Hornberget wind project in Sweden

2008
Entered Türkiye

began development of wind and solar projects.

2010
Designed and built the largest onshore wind project in Sweden

the 94.5 MW Havsnäs wind project

2011
Our team completed construction of a major US solar project

the 30 MW Webberville project in Texas

2011
Support services for offshore providing met mast O&M services

76 nautical miles offshore in the North Sea

2011
500 MW offshore project development

St Brieuc Wind Project in Brittany, France

2011
Built first feed-in-tariff solar project in Canada

10 MW Rutley solar project.

2012
Local Electricity Discount Scheme (LEDS)

we launched an innovative way for communities to benefit from hosting renewable projects

2013
Our team built the Montana-Alberta tie-line

214 mile (345 km) - 230 kV

2013
Energized 270 MW Lincs Offshore Wind Farm

having provided development, engineering, & construction services for the project

2013
Launched our RESolve energy management system

the state-of-the-art software has been proven to maximize potential revenue streams for customers

2014
Our first 4 MW (2.6 MWh) energy storage project

became operational in Ohio, US

2015
Expanded our T&D service offering in the US

with the acquisition of a specialist electrical contractor, to supplement our transmission works

2016
Ranked #2 by Navigant

for utility scale energy storage

2016
Google signs Power Purchase Agreement

to power its data centers from the Bluestem wind farm developed and constructed by RES

2017
Corporate Power Purchase Agreement’s signed

with companies including General Mills, Telstra, Puget Sound and General Motors

2017
Australia’s third largest wind farm starts generating

Ararat has 75 turbines and a capacity of 240 MW

2018
1GW Corporate PPA Milestone

Royal Caribbean signs PPA, taking RES' corporate PPA portfolio over 1GW

2019
Subsidy free success

construction began at our first UK subsidy-free wind farm, Craiggore

2020
Our Support Services portfolio grew

5.5GW operational assets supported

2021
Our team completes construction of 2.2GW of new renewable projects in 2020

including Southern Oak Solar Project in the USA and Murra Warra I Wind Farm in Australia

2021
We provide solutions with green hydrogen to support the industrial decarbonization

Ånge Project Sweden and £3bn investment in the UK

2021
Falkenhöhe wind project inaugurated in Germany

and starts providing clean energy for more than 3,000 properties

2021
We launch RESpect with five affinity networks led by our people

a commitment to embrace diversity and create an inclusive culture that is fair to all

2022
RES acquires Anemo Analytics

a cutting edge analytics company to power our digital transformation

2022
Supporting new asset management clients in Türkiye

185MW contracts signed with Dost Enerji

2022
We acquire Blueshore Energy

strengthening our asset management offering in Australia

2023
RES acquires IM Future in Spain

an experienced leader in wind energy maintenance to strengthens out offering to customers

2023
New American headquarters opened in Denver

with the aim of increasing accessibility and attracting a diverse pool of top talent

2023
Tissue production goes green with hydrogen

RES and JV partner Octopus announce deal with Kimberley Clark

2023
We expand offshore development

into two new markets - Norway and Australia

2023
Construction starts at Bekevar in Saskatchewan

working alongside Cowessess First Nation who own part of the project

2024
Acquired Ingeteam Service

growing RES to 4,500 people across 23 countries and 7 technologies

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