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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Team at Kilsaran being present with a plaque for EXEED Certification
EXEED

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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Wexford Town SEC
Communities

Wexford Town SEC: Driving a Just Transition Through Community Action

A passionate volunteer group in Wexford Town is tackling building fabric issues while reducing fossil fuel use in the community.

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  1. Geenration-Green
    Communities
    Climate Action

    Sustainable Schools

    Collinstown Park School Embraces Sustainability

    Find out more
  2. Placeholder
    Energy Research

    Pharma company Hollister achieves big energy savings with air changes

    How a feasibility study was carried out to investigate the
    potential to reduce the air change rates

    Find out more
  3. shutterstock_135251957
    Energy Research

    DkIT Small Wind Turbine Research

    Dundalk Institute of Technology got involved with what is known as
    'Task 27' to provide research in relation to small turbines.

    Find out more
  4. Ed-Edge-Knocklyon
    Climate Action
    Communities

    Knocklyon Energy Community

    Mentorship with the SEAI helped Knocklyon energy community
    establish a baseline for its priorities in the form of an energy
    masterplan

    Find out more
  5. Greaney-glass2
    Business & Industry
    Renewable Technologies

    Greaney Glass LED Upgrade

    Greaney Glass decided to upgrade their lighting operation to high
    efficiency LED lighting. The SME Lighting Support Scheme can
    provide grant support to upgrade.

    Find out more
  6. rsz_img_20181005_074339
    Business & Industry
    Renewable Technologies

    Airport LED Lighting Upgrade

    Ireland West Airport completed a major upgrade on their lighting
    with support from the SME lighting support scheme.

    Find out more
  7. Kore
    Renewable Technologies
    Business & Industry

    Kore Case Study

    Measures introduced by Kore were to save energy, cut waste
    production
    and reduce expenditure

    Find out more
  8. shutterstock_1166471857-(2)

    Roscommon Rural Community Project

    The SEAI Communities Grant Programme is responding to climate
    change by helping homes and businesses upgrade to energy efficient
    buildings.

    Find out more
  9. 4.11
    Climate Action
    Communities

    Tallaght Community Energy Living Lab

    Communities play a huge role in transitioning Ireland towards a
    zero carbon economy

    Find out more
  10. fruit_veg
    Communities

    SuperValu in Glanmire

    Liam Ryan is the store owner of SuperValu Glanmire. He is
    committed to creating a greener and more vibrant local
    community.

    Find out more
  11. SeaPowerP-Evening-(Brighter)-with-Background
    Renewable Technologies

    SeaPower test new Wave Energy Converter

    The SeaPower Platform is a quarter-scale wave energy converter
    that captures energy from the relative movement between two
    floating pontoons.

    Find out more
  12. roscommon_fire_estate
    Communities

    Roscommon Fire Station

    After an energy audit, Roscommon Fire Service found that heating controls and lighting were two areas where they could make significant energy savings.

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  13. siamsa_tire
    Communities

    Siamsa Tire theatre

    Based in Tralee, Siamsa Tire is one of the busiest theatres in Ireland. It was built in 1991 and was not energy efficient.

    Find out more
  14. tea
    Home Energy Upgrades

    Aileen's Tipperary Home

    Aileen McCarthy suffers from COPD and has seen a huge
    improvement in her health since her home has been upgraded.

    Find out more
  15. IMG_1036
    Renewable Technologies

    Business model for livestock slurries

    One of Ireland's biggest biomass sources are the solid residues in
    livestock slurries wastewater sludges and similar materials.

    Find out more
  16. Outdoor2
    Business & Industry
    Renewable Technologies

    Johnson and Johnson VisionCare EXEED Project

    Johnson and Johnson VisionCare build gym and medical centre that
    is 25% more efficient than current building regulations.

    Find out more
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