Case Studies

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

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.

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.

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

Tipperary University Hospital has invested significantly in energy efficiency upgrades over the last three years.

The HSE Capital and Estates South West reviewed its energy use in two County Kerry facilities. The aim was to make the buildings more efficient, reduce energy bills and cut down on carbon emissions.

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

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.

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

Homeowner Margaret went the One Stop Shop route to upgrade her family home.

Anne Marie’s home in the heart of Galway City underwent a full energy upgrade and is now super warm, cosy and energy efficient.

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

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

This case study examines the decarbonisation project for the Ballyogan Operations Centre, part of Dún Laoghaire-Rathdown County Council corporate estate. It serves as a powerful example of what can be accomplished through collaboration and shared values, and it will undoubtedly inspire other public bodies who are looking to enhance energy performance.

The Astellas Killorglin site is reaping the benefits from investing in several energy efficiency projects.

Through SEAI's EXEED-certified Energy Efficient Design approach, Broiler Advisory Services reduced farm energy use and associated carbon emissions by 52%, saving 1.4 GWh and 350 tonnes of CO2e annually while improving operational control.