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Energy Efficiency and Conservation Authority (EECA). Energy Efficiency and Conservation Authority (EECA).
  • Focus areas
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    Explore the work we're doing to meet our five strategic priorities.

    Strategic focus areas

    • Productive and low emissions business
    • Efficient and low emissions transport
    • Energy efficient homes
    • Government leadership
    • Engage hearts and minds
  • Co-funding and support
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    Funding and support to help you meet your emissions goals.

    Co-funding and support

    • Insulation and heater grants
      • Warmer Kiwi Homes programme
      • Products approved for funding
    • Industry decarbonisation
      • About the GIDI Fund
      • Apply for GIDI co-funding
      • GIDI Private Finance Pilot
      • Approved GIDI projects
    • Sector decarbonisation
      • Support for business sectors
      • Support for covered cropping sector
    • Public sector decarbonisation
      • State sector decarbonisation fund
      • Crown loans
    • Energy & carbon reduction
      • Energy audits
      • Energy graduate support
      • Energy management plan
      • Energy systems optimisation
      • Feasibility studies and business cases
      • Industrial systems design advice
      • Monitoring and targeting
    • Transport emission reduction
      • Low Emission Transport Fund
      • Co-funded transport projects
      • Fleet Transition Programme
    • Energy transition
    • Technology demonstration
    • Training and events
      • The role of heat pumps in decarbonisation
      • CEP courses and webinars
      • BANZ Courses
  • Regulations
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    Learn how to comply with product and vehicle fuel regulations.

    Regulations

    • Equipment Energy Efficiency
      • About the E3 programme
      • How to comply
      • About energy rating labels
      • Ensuring compliance
    • Vehicle Emissions and Energy Economy
      • Changes to VFEL
      • About the VEEEL Programme
      • How to comply
      • Ensuring compliance
    • Regulations under review
    • Publicly Available Specifications
  • Insights
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    Our latest thinking on clean and clever energy.

    Insights

    • EECA Insights
    • Case studies and articles
      • WoolWorks leading the way in the wool industry
      • Final stage of energy strategy for fresh produce company
    • Data tools
      • Energy End Use Database
      • New Zealand Energy Scenarios tool
      • Regional Heat Demand Database
      • New Zealand Public EV Charger Map
    • Energy's role in climate change
  • About
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    We mobilise New Zealanders to be world leaders in clean and clever energy use.

    About

    • Our role
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  • Focus areas
    • Productive and low emissions business
    • Efficient and low emissions transport
    • Energy efficient homes
    • Government leadership
    • Engage hearts and minds
  • Co-funding and support
    • Insulation and heater grants
    • Industry decarbonisation
    • Sector decarbonisation
    • Public sector decarbonisation
    • Energy & carbon reduction
    • Transport emission reduction
    • Energy transition
    • Technology demonstration
    • Training and events
  • Regulations
    • Equipment Energy Efficiency
    • Vehicle Emissions and Energy Economy
    • Regulations under review
    • Publicly Available Specifications
  • Insights
    • EECA Insights
    • Case studies and articles
    • Data tools
    • Energy's role in climate change
  • About
    • Our role
    • How we lead
    • Careers
    • News & corporate
    • Get in touch

Case studies and articles

Inspiring businesses pushing towards a thriving low-energy economy with the innovations, technologies and ideas of today.

  1. Home
  2. Insights
  3. Case studies and articles
  • WoolWorks leading the way in the wool industry

    World-first decarbonisation of a New Zealand wool scouring plant.

    Learn more about WoolWorks leading the way in the wool industry

  • Final stage of energy strategy for fresh produce company

    A Kiwi crop company is looking to lead the way in low-carbon produce, so we can eat our salads knowing they haven’t been grown in coal-heated glasshouses.

    Learn more about Final stage of energy strategy for fresh produce company

  • 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.

    Learn more about The greenest capsicums in town

  • An electric first on Wellington Harbour

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

    Learn more about An electric first on Wellington Harbour

  • Clever GIDI project reduces emissions at Whakatane Mill

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

    Learn more about Clever GIDI project reduces emissions at Whakatane Mill

  • Cutting coal and carbon emissions at Silver Fern Farms

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

    Learn more about Cutting coal and carbon emissions at Silver Fern Farms

  • NZ Post | Electric Vans

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

    Learn more about NZ Post | Electric Vans

  • 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.

    Learn more about Path to decarbonisation made easier with EECA grad

  • Full steam ahead for Meadow Mushrooms' net zero carbon goal

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

    Learn more about Full steam ahead for Meadow Mushrooms' net zero carbon goal

  • Asthma NZ | EV transition

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

    Learn more about Asthma NZ | EV transition

  • McCain | Pulsed Electric Field

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

    Learn more about McCain | Pulsed Electric Field

  • 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.

    Learn more about Essity's groundbreaking geothermal project a world first

  • Fonterra | Coal boiler conversion

    Fuel switching captures economic and climate benefits for Fonterra.

    Learn more about Fonterra | Coal boiler conversion

  • 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.

    Learn more about Open Country achieves a world first in dairy

  • Christchurch Airport | Decarbonisation journey

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

    Learn more about Christchurch Airport | Decarbonisation journey

  • 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.

    Learn more about Horowhenua District Council | Future-proofed energy system

  • "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.

    Learn more about "GPS for trains" slashes fuel use and emissions

  • 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.

    Learn more about Heat is on to find alternative energy sources

  • 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.

    Learn more about Europcar | EV transition

  • 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.

    Learn more about Bupa | EV transition

  • 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.

    Learn more about Zealandia | EV transition

  • 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.

    Learn more about Custom Fleet | EV leasing

  • 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.

    Learn more about Ohomairangi Trust | EV transition

  • 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.

    Learn more about Tourism Holdings Ltd | Electric campervans

  • WELLS | EV transition

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

    Learn more about WELLS | EV transition

  • 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.

    Learn more about Alsco NZ | Electric freighter

  • 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.

    Learn more about Northland DHB | Fuel switching

  • 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.

    Learn more about Counties Manukau Health | HVAC optimisation

  • 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.

    Learn more about Active Refrigeration | Low emissions refrigeration

  • Recreational Services | Electric mowers

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

    Learn more about Recreational Services | Electric mowers

  • 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

    Learn more about Indoor cropping | Innovative emissions reductions

  • 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.

    Learn more about Fonterra | Boiler conversion

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