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. Gilead's steam generation boiler
    Large Industry Energy Network
    Business & Industry

    Gilead Data Collection – Steam Generation Metrics

    Gilead’s Carrigtwohill facility has identified the data requirements to facilitate the development of effective energy performance indicators (EnPIs).

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  2. Boston-scientific-case-study
    Business & Industry
    EXEED

    Boston Scientific achieves certification in energy efficient design

    Boston Scientific applied Energy Efficient Design principles during design of new equipment reducing operational energy consumption by 42%.

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  3. the owner of Shannon Springs sitting in their restaurant
    Business & Industry

    Easy Wins Business Case Studies

    Hear from SMEs across Ireland who have received funding and support from SEAI to reduce costs and carbon emissions. It’s an easy win!

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  4. EEOS case study
    Business & Industry

    Obligated Party Support – Louth County Council and Energia 2023 partnership 

    Energia, an Obligated Party, provided technical and financial support to Louth County Council, enabling them to complete home energy upgrades at 195 homes. They then claimed the resulting energy savings credits against their Residential and Energy Poverty targets. 

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  5. EEOS case study
    Business & Industry

    Obligated Party Support: Donegal County Council and Retrofit Energy Ireland Limited (REIL) partnership

    Donegal County Council has received both technical and financial support from Retrofit Energy Ireland Limited (REIL), an Obligated Party, to deliver key energy saving projects.

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  6. Heatworks Tallaght
    Business & Industry
    Renewable Technologies

    Tallaght District Heating Scheme

    The Tallaght District Heating Scheme is the first large-scale district heating network of its kind in Ireland. The network currently supplies heat to a number of public and residential buildings in the area using waste heat from the nearby Amazon data centre.

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  7. Poppies
    Business & Industry

    Wicklow café transforms its energy efficiency after a host of upgrades.

    Poppies Café in Enniskerry saves money and improves energy efficiency with a suite of energy upgrades.

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  8. Medtronic
    Business & Industry
    Large Industry Energy Network

    Medtronic Parkmore implements energy saving and decarbonisation projects

    The Galway facility has embarked on several energy saving and decarbonisation projects after initiating Corporate Sustainability Goals.

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  9. Donegal Hotel
    Business & Industry

    Ireland’s most northerly hotel implements a suite of energy upgrades

    SEAI Energy Awards finalist, Ballyliffen Lodge and Spa, saves money and improves energy efficiency with a suite of energy upgrades.

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  10. AbbVie
    Business & Industry
    Large Industry Energy Network

    HVAC optimisation at AbbVie Ballytivnan, Sligo

    This low-cost project, HVAC Optimisation at AbbVie, Sligo has shown substantial savings over 4 months.

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  11. Showroom selling kitchen utilities
    Business & Industry

    Household Dishwashers: From non-compliance to resource efficiency

    From non-compliance to resource efficiency: how SEAI is shaping a more sustainable energy-related market.

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  12. lighting-compliance-thumbnail_1
    Business & Industry

    Driving energy efficiency in the Marketplace

    As the Market Surveillance Authority, SEAI tackles non-compliance of lighting products on the market.

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  13. Caroline-Ashe-Brady_KORE-Retrofit
    Business & Industry
    Home Energy Upgrades

    Why KORE Retrofit registered as a One Stop Shop

    Caroline Ashe-Brady, Commercial Director at KORE Retrofit, explains the benefits of becoming a registered One Stop Shop

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  14. SEAI-Energy-Awards-Innovative-Deployment-of-Renewable-Energy-Award-1_1200-px
    Business & Industry
    Renewable Technologies
    EXEED

    Ahascragh Distillery is first to produce carbon-neutral spirits in Ireland

    With support from SEAI, the award-winning eco-distillery is powering their new production facility and visitor centre using renewable energy.

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  15. Aurivo-2023_cropped
    Business & Industry
    Renewable Technologies
    EXEED

    Thermal Energy Efficiency Upgrade at Aurivo Dairy Ingredients

    Aurivo Dairy Ingredients, a milk processing plant with a significant thermal demand, reinvent the supply of thermal energy to the process through the EXEED scheme.

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  16. An-Post_SEAI-Energy-Awards-2023
    Business & Industry
    Featured

    Award winning Energy Team at An Post

    The top prize at this year's SEAI Energy Awards went to An Post for 'Energy Team of the year'.

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