Case Studies

Whether you're planning an energy efficiency upgrade or researching the benefits of energy efficiency, our case studies can show you how energy efficiency projects have been completed.

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Mullingar Park Hotel
EXEED
Business & Industry

Optimising hotel energy efficiency at Mullingar Park Hotel

Mullingar Park Hotel’s successful EXEED certified energy transformation delivers energy savings of 665,905 kWh/yr and carbon reduction 138 tCO2/yr

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Team at Kilsaran being present with a plaque for EXEED Certification
EXEED
Business & Industry

Design-led energy performance optimisation at Kilsaran Asphalt Plant, Tullamore

Through SEAI’s EXEED programme, Kilsaran achieved verified energy and carbon savings at its Tullamore Asphalt production facility.

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Man standing outside of his house
Home Energy Upgrades

Kildare homeowner cuts his energy bills by almost 50%

Thomas chose the SEAI One Stop Shop grant to help bring his home from a BER C to BER A1.

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Three men walking with Markree Castle Hotel in the background.
Business & Industry
Support Scheme for Renewable Heat

A 17th century castle brings its energy efficiency into the 21st century

Renewable heat at the heart of a heritage estate. A 350kW biomass boiler now supplies 80% of Markree Castle’s thermal energy, transforming comfort and cutting costs.

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Roadstone truck at Belgard plant
Business & Industry
Featured
Large Industry Energy Network
EXEED

Roadstone blacktop optimisation: designing for energy efficiency and carbon reduction with EXEED

Through SEAI’s EXEED Certified Energy Efficient Design approach, Roadstone optimised its blacktop production process, reducing energy use and emissions while boosting operational performance across its asphalt plants.

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Erris SEC
Communities

From master plan to implementation: co-creating community-led energy solutions for Erris

Postgrad students from Germany worked with Erris SEC to explore renewable energy options within the community.

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Picture of home featured in case study
Energy Research

Testing flexibility of renewable energy systems based on price

The aim of this project is to control the power flowing into and out of a home through a single, remotely operated smart platform.

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Solar panels on a farm building in Dingle, Co. Kerry
Communities

West Kerry Dairy Farmers SEC – Ireland’s first sectoral Sustainable Energy Community

A farmer-led Sustainable Energy Community on the Dingle Peninsula is cutting energy costs, installing solar power, building community cohesion and reshaping how dairy farming engages with climate action.

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Heat pumps installed at BOI buildings
Business & Industry
Large Industry Energy Network

Bank of Ireland's decarbonisation journey

Bank of Ireland IT centre reduces its reliance on fossil fuels contributing to BOI’s 49.3% SBTi Carbon reduction target.

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SE Systems wins SEAI Residential Energy Upgrades Award
Home Energy Upgrades

SE Systems won the SEAI ‘Residential Upgrades’ Energy award

SE Systems, Winner at the 2025 SEAI Energy Awards, transformed the comfort for residents living at Douglas Lions Club, Co. Cork.

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  1. Think-Energy-CODEMA
    Business & Industry

    Codema Staff Engagement Campaign

    Codema's 'Think Energy' staff engagement programme was developed for Dublin Councils and aimed at inspiring staff in Civic Offices to become more energy conscious.

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  2. Martin-Dempsey-poultry-farm
    Business & Industry
    Renewable Technologies

    Poultry farm switches to renewable heating

    Poultry farmer in County Mayo, avails of SEAI's Support Scheme for Renewable Heat (SSRH).

    Find out more
  3. Falls-Hotel
    Business & Industry
    Featured
    Renewable Technologies

    A hydro-powered hotel

    Sustainability is at the heart of Falls Hotel & Spa in Ennistymon, County Clare. Recently declared a carbon neutral property, they are 2021 Winners at the SEAI Energy Awards

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  4. AN-POST-WORLDS-FIRST-ZERO-EMISSIONS-MX-2_1200-x-800-px
    Business & Industry
    Electric Vehicles

    An Post drives forward with zero emissions

    An Post's ambition is to be the greenest postal service in Europe.

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  5. dpd-Electric-fleet-selection-with-CEO-Des-Travers_1200-x-800px
    Business & Industry
    Electric Vehicles

    Dpd delivers with electric fleet

    Dpd, the courier firm, had a busier 2020 than most companies. While keeping up with delivery demand, it also continued to electrify its fleet.

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  6. danone-plant-2
    Renewable Technologies
    Business & Industry

    Danone Wexford achieves carbon neutrality

    In July 2020, Danone announced that its baby formula plant in Wexford has been certified carbon neutral by the Carbon Trust - the first baby formula plant in the world to achieve this.

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  7. westpark-5
    Business & Industry

    Exercising Energy Efficiency

    Westpark Fitness, a gym with almost 5,000 members in Tallaght, Co. Dublin, has gone through the EXEED grant process and implemented energy and cost saving initiatives.

    Find out more
  8. Aurivo-logo-1200px-x-800px
    Renewable Technologies
    Business & Industry

    Donegal dairy plant cuts costs by €347,000

    Aurivo followed SEAI's EXEED Certified Standard to implement energy efficiency measures for its dairy plant, which has been in operation since the eighties.

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  9. SalesSense-Dundalk-Centre_1200-x-800px
    Business & Industry

    SalesSense team enrols in Energy Academy

    SalesSense enrolled 71 staff members in SEAI's Energy Academy this year. The Academy provided a great opportunity to educate their employees on energy use and energy efficiency in Ireland.

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  10. Dublin-city-grab_1200-x-800-px
    Business & Industry
    Climate Action

    Dublin City Council leading by example

    Dublin City Council (DCC) won the Leadership in Public Sector Award at the SEAI Energy Awards 2020 and is one of ten award winners.

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  11. terra-PV-1200-x-800
    Business & Industry

    Energy saving programme at Terra Spirits & Liqueurs

    Terra Spirits & Liqueurs is the winner of the Small to Medium Business Award at the SEAI Energy Awards 2020.

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  12. Astellas-Ireland-1200x800px
    Renewable Technologies
    Business & Industry

    Astellas Ireland five year energy management plan

    Astellas Ireland took home the top prize for Energy Team of the Year in the 2020 SEAI Energy Awards.

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  13. Flahavans-Case-Study
    Business & Industry
    Climate Action

    Flahavan's Generate 70% of Their Own Energy On Site

    Through a combination of biomass, wind, solar and hydro, one of Ireland's most well-known family businesses, is leading the way in renewable energy innovation.

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  14. Herlihys-3
    Climate Action
    Business & Industry

    Herlihy's Community Climate Action

    Herlihy's climate ambition is to reduce energy costs, fossil fuel usage and greenhouse gas emissions in their own store and in their local community as well.

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  15. KN-Circet
    Business & Industry
    Electric Vehicles

    Electric Success: KN Circet's Green Fleet is Miles Ahead

    The company was looking for new ways to cut costs, improve fuel
    efficiency and reduce carbon emissions while maintaining driver
    safety across its operations

    Find out more
  16. cows
    Business & Industry

    Tipperary Cooperative implement ISO 50001 to achieve carbon neutrality

    Tipperary Cooperative implement ISO 50001 to achieve carbon neutrality

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