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. shutterstock_636417830
    Business & Industry
    Featured

    The DAA EXEED Project

    The DAA completed a major carpark lighting upgrade project with
    support from EXEED Programme.

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  2. Monasterboice-1
    Business & Industry

    The Monasterboice Inn EXEED Project

    The Monasterboice Inn uses the EXEED programme for a design-led
    approach to improving energy performance.

    Find out more
  3. IMG_0997
    Business & Industry
    Renewable Technologies

    Solo Energy

    Solo Energy was founded in August 2015 to address a demand
    for
    smart energy storage solutions as an enabler for
    increasing
    renewable generation.

    Find out more
  4. GKinetic-2
    Business & Industry
    Renewable Technologies

    GKinetic are developing a floating tidal energy device

    A floating tidal energy device is being developed by an Irish
    company, based in Limerick.

    Find out more
  5. solar-panels-option
    Communities

    The Donate as you save Energy Project

    Donate as you save Energy (DaysE) allows organisations to donate their
    energy credits to social enterprises and charities.

    Find out more
  6. bicycles
    Communities
    Climate Action

    Sustainable Clonakilty

    Sustainable Clonakilty established
    Clonenergy 2020 to help Clonakilty reach energy neutrality through renewable energy by 2020

    Find out more
  7. kilkenny-lights
    Communities
    Renewable Technologies
    Climate Action

    Kilkenny City Lighting Project

    The project to reduce energy consumption by Kilkenny County
    Council has contributed towards their 2020 energy savings target
    and lowered costs.

    Find out more
  8. coffee
    Business & Industry
    Renewable Technologies

    Progressive energy reduction at the Bewleys production facility

    Bewley's have been working progressively to reduce energy
    consumption. This project focused on their tea and coffee
    manufacturing facility in Dublin.

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  9. donegal

    Wood-fired heat generation and building energy upgrade

    Ards Friary in Creeslough, Co. Donegal needed extensive renovation
    to make it more comfortable and economical to operate.

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  10. car_park
    Communities

    Lighting Upgrade at Cavan Multi-Storey Car Park

    A high efficiency lighting retrofit was completed on Cavan multi-
    storey car park.

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  11. coillte-wood

    Forest Logistics Energy Optimisation Project at Coillte

    Coillte collaborated with all interested parties in their wood
    supply chain to identify opportunities for energy efficiency
    savings.

    Find out more
  12. Abbott_Ireland_Sligo
    Business & Industry
    Renewable Technologies

    HVAC and chilled water at Abbott Ireland

    Abbott Ireland Diagnostics Division signed up to SEAI's Energy
    Agreements programme in 2010.

    Find out more
  13. dublin-port
    Renewable Technologies
    Business & Industry

    Dublin Port's Energy Upgrade

    With 35% funding from SEAI, high efficiency boilers were installed
    at Dublin Port's HQ which deliver 54% annual cost savings.

    Find out more
  14. hotel
    Business & Industry
    Renewable Technologies

    Sligo Park Hotel Energy Savings

    Monitoring and investing in energy has delivered savings at Sligo
    Park Hotel.

    Find out more
  15. bottles
    Renewable Technologies
    Business & Industry

    Glenpatrick Spring Water

    Glenpatrick Spring Water replaced their plastic bottling and
    filling plant with an energy efficient system.

    Find out more
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