As the Renewable Energy sector expands, Higgins brings a wealth of experience to new energy projects. This comes from over 20 years’ experience in wind energy works infrastructure.

Higgins has been head civil contractor on five of New Zealand’s largest wind farms. The team has designed, constructed and delivered civil works infrastructure with output totaling 560MW of wind generation. Higgins has a track record of working collaboratively with clients and developers to manage risk and deliver to client objectives. This is done with the assurance of extensive Fletcher supply chain resources and expertise through Fletcher sister companies including Brian Perry Civil, Firth and Fletcher Reo.

Higgins is also experienced in providing formal early contractor involvement including civil design review, material analysis, pavement and concrete mix design, environmental and traffic management planning, risk assessment, construction planning, specification and cost review.

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Kaiwera Downs Stage One wind farm

Mercury awarded Higgins the ECI civil works contract for the first stage of its $115 million Kaiwera Downs wind farm in the Southland region in September 2022.

Kaiwera Downs Stage One wind farm

Mercury awarded Higgins the ECI civil works contract for the first stage of its $115 million Kaiwera Downs wind farm in the Southland region in September 2022.

Built 15km southeast of Gore, stage one of Kaiwera Downs wind farm consists of 10 wind turbines that generates a combined average of 148 GWh in renewable power each year – enough to power more than 20,000 homes or 66,000 electric vehicles – helping to increase the proportion of electricity generated in New Zealand from renewable sources.

Kaiwera Downs is the sixth wind farm project undertaken by Higgins, along with five of New Zealand’s largest wind farm projects including Mercury’s Waipipi, Meridian’s Te Apiti, West Wind and Mill Creek, and Trustpower’s Tararua T3. These projects, combined, have seen Higgins involved in the construction of 50% of New Zealand’s total 1045MW of wind energy production.  

The broad scope of work included delivery of core services to lay foundations for 10 wind turbines as well as road access to and around the site.

As lead contractor, Higgins was supported by our Fletcher family of brands including Brian Perry Civil for site work, ground improvements and turbine foundations and Firth Industries as the concrete provider. 

Civil works were completed in May and the wind farm opened a year from groundbreaking – under budget and to schedule.

Client Mercury Energy
Completed Completed
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Waipipi wind farm
Waipipi wind farm

As the market leader in wind farm ‘civil balance of plant’ (CBoP) projects in New Zealand, Higgins brought its extensive experience to deliver a highly successful CBoP contract for our valued customer Tilt Renewables.

Starting in October 2019, Waipipi generated first power with the first turbines brought online, exporting renewable electricity to the Transpower national electricity network in November 2020. The assembly and commissioning of the remaining turbines continues. All civil works have been completed apart from ongoing maintenance works. Restorative topsoiling of the completed construction areas and native planting along the Waipipi stream banks also continues.

Higgins leveraged the Fletcher supply chain for significant scope across the project including drainage materials from Humes, aggregates from Winstones, concrete from Firth, Golden Bay Cement, steel reinforcing from Fletcher Reo and ground improvements from Brian Perry Civil.

Melbourne-based Tilt Renewables expects Waipipi will generate about 455 GWh a year. That’s enough clean energy each year to power about 70,000 homes and save the emissions of roughly 350,000 tonnes of carbon. This is the equivalent of removing about 70,000 cars from our roads.

The project involved: upgrade of 4.5km of road between SH3 and the Dryden Road site entrance, establishment of the site compound and site facilities, construction of an onsite access track network of more than 20km, ground improvement at all 31 turbine locations, foundation construction at all 31 turbine locations, installation of the underground electrical cabling and fibre to all turbine sites, connection of the underground electrical cabling to the assembled turbine, construction of the onsite substation including installation of the main transformer, 31 turbines pre-assembly, 20 turbines full assembly, and 16 turbines operational.

Client Tilt Renewables
Budget $325 million
Completed March 2021
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Mill Creek wind farm

Higgins was the head civil contractor for Meridian Energy’s 26 turbine Mill Creek Wind Farm.

Mill Creek wind farm

Higgins was the head civil contractor for Meridian Energy’s 26 turbine Mill Creek Wind Farm.

Using a collaborative delivery model, Meridian and Higgins work together to drive opportunities, innovation and smart construction methodology to deliver the Wind Farm Civil works project. 

As head civil works contractor, Higgins was responsible for delivering across the breadth of the civil works encompassing access roading, bulk earthworks, pavement construction, trenching cabling, tower foundations, and associated drainage and structures. The programme for the 800,000m3 of earthworks with associated environmental management and full compliance was substantially completed by November 2013. That's a great achievement for a winter programme.

The civil works for pavement works, trenching and cabling, and foundation construction works progressed over three separable portions for the 26-turbine base and were all delivered on time. The works included 20km of roading, 12km of cabling, 10,000m3 of concrete and 1,300 tonnes of steel for the foundations.

Client Meridian Energy
Completed October 2014
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West Wind wind farm

Meridian Energy’s Project West Wind saw the construction of 62 wind turbines at Terawhiti Station and Makara Farm west of Wellington.

West Wind wind farm

Meridian Energy’s Project West Wind saw the construction of 62 wind turbines at Terawhiti Station and Makara Farm west of Wellington.

This was the third Wind Farm project successfully undertaken by the Higgins Projects team.  Civil construction of wind farms involves a unique set of environmental challenges and the harsh and isolated location of Project Westwind was no different.  The success of the project shows the strength of the Higgins specialist knowledge and the commitment and 'can do' attitude of the Higgins teams.

 

Client Meridian Energy
Budget $440 million
Completed January 2009
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