Case studies and articles

The greenest capsicums in town

Southern Paprika's new carbon dioxide recovered biomass boiler is helping to reduce the carbon emissions of one of New Zealand's largest growers.

An electric first on Wellington Harbour

Wellington has a new climate-friendly public transport option – the Southern Hemisphere's first all-electric ferry.

Clever GIDI project reduces emissions at Whakatane Mill

From the brink of closure to a bright new future for Bay of Plenty business.

Cutting coal and carbon emissions at Silver Fern Farms

Switching away from coal will help industry-leading company reduce carbon emissions and save money.

NZ Post | Electric Vans

Electric vans prove economic and practical for NZ Post in their decarbonisation journey.

Path to decarbonisation made easier with EECA grad

Daniel Pereira is an EECA energy graduate at Open Country, the largest independent dairy manufacturer in New Zealand.

Full steam ahead for Meadow Mushrooms' net zero carbon goal

New Zealand’s leading mushroom grower is committed to reducing carbon emissions.

Asthma NZ | EV transition

EVs help New Zealanders to breathe easy while fitting Asthma NZ's strategic and frontline needs.

McCain | Pulsed Electric Field

McCain has switched from coal pre-heaters to Pulsed Electric Field technology to produce the humble hot chip.

Essity's groundbreaking geothermal project a world first

Essity's Kawerau site plans to re-build the first tissue machine, running a fully geothermal steam drying process.

Fonterra | Coal boiler conversion

Fuel switching captures economic and climate benefits for Fonterra.

Open Country achieves a world first in dairy

Open Country recently won the EECA-sponsored Large Energy User Award for their work to reduce carbon emissions at their Awarua site near Invercargill.

Christchurch Airport | Decarbonisation journey

Christchurch Airport's journey along energy efficiency and carbon emissions reductions.

Horowhenua District Council | Future-proofed energy system

Horowhenua District Council (HDC) saves around $280,000 of energy-related costs thanks to an effective energy management plan.

"GPS for trains" slashes fuel use and emissions

KiwiRail has been around for more than 150 years, and it’s planning at least 150 more, so it’s future-proofing the business by investing in green technology and bringing staff along for the ride.

Heat is on to find alternative energy sources

Goodman Fielder is trialling an energy efficient alternative at its dairy factory in Palmerston North with the support of government funding.

Europcar | EV transition

Europcar added 10 leased 100% electric vehicles to their rental fleet leading the way for EV uptake in the rental sector. The project was funded by the Low Emission Vehicles Contestable Fund.

Bupa | EV transition

Bupa purchased three new electric vans, fitted out locally, making them ideal for laundry pick-up and delivery services. Installing chargers onsite meant the vans could fuel up on cheap, renewable electricity overnight.

Zealandia | EV transition

Inner-city ecosanctuary ZEALANDIA introduced two fully electric passenger shuttle vans to transport their visitors between the city centre and sanctuary, cutting carbon emissions and showcasing the suitability of electric vehicles in the tourism industry.

Custom Fleet | EV leasing

EV leases at prices similar to combustion engine vehicles, breaking down the cost barrier of EVs for New Zealand businesses and making it more accessible for them to trial.

Ohomairangi Trust | EV transition

Ohomairangi Trust purchased six electric vehicles for staff to use for home visits and family transport, decreasing their running costs and freeing up funds for their whānau-based services.

Tourism Holdings Ltd | Electric campervans

Stepping away from fossil fuels to provide electric options within its campervan fleet making a sustainable tour of New Zealand possible.

WELLS | EV transition

Introducing an EV fleet has not only reduced WELLS Instrument & Electrical Services’ carbon footprint – fuel costs have dramatically reduced too.

Alsco NZ | Electric freighter

Alsco NZ added an electric freighter to its fleet – a New Zealand first. It travels 286km a day and is seeking to prove that electric heavy freight is not only possible but good for profitability as well.

Northland DHB | Fuel switching

Replacing two old diesel boilers with electric heat pumps has saved Northland DHB hundreds of thousands of dollars on energy costs and maintenance a year.

Counties Manukau Health | HVAC optimisation

A programme of monitoring and optimising the HVAC system at Counties Manukau SuperClinic saves hundreds of thousands of dollars in operational costs per year.

Active Refrigeration | Low emissions refrigeration

Using ammonia based refrigeration to create simultaneous cooling and high temperature heating from the same plant, making substantial financial savings and gains in energy efficiency.

Recreational Services | Electric mowers

Recreational Services share their success trialling two fully electric commercial ride-on lawnmowers in their parks and facilities maintenance business.

Indoor cropping | Innovative emissions reductions

Three indoor cropping business have saved costs and carbon emissions by adopting fresh technologies – thermal screens, dehumidifying heat pumps and LED grow lights

Fonterra | Boiler conversion

Brightwater milk processing plant cut carbon emissions by an estimated 25% by converting the coal boiler to co-fire on coal and wood, generating steam for process heat.