Case Study in Ireland

Dromoland Castle Hotel

Commercial, Hotels

Dromoland Castle, one of Ireland’s most iconic heritage estates, has taken a major step towards sustainability with the installation of a discreet yet highly effective solar PV system. This pioneering project shows how renewable energy can be sympathetically integrated into a protected structure, offering a model for sustainable transformation in heritage settings.

Project Overview

In 2023, Dromoland Castle took a major step in its sustainability journey with the installation of a 34 kWp rooftop solar PV system. Delivered by MarVal Power, the project comprised 120 discreetly positioned Tier 1 panels, designed to suit the castle’s heritage setting while providing reliable clean energy.

Project Background

As custodians of a centuries-old estate, Dromoland Castle’s leadership recognized their responsibility to operate sustainably without compromising the site’s historical integrity. Their goal was to lower carbon emissions and reduce electricity costs, while preserving the estate’s visual heritage. MarVal Power was selected for our ability to design tailored, non-invasive renewable solutions that harmonize with sensitive sites.

Solution Delivered

MarVal Power installed a 34 kWp rooftop solar PV system using 120 high-performance panels. The solution was carefully designed to remain unobtrusive, ensuring a seamless visual fit with the estate’s architecture, while delivering long-term energy performance.

System Size, Energy Production & Reliance

System Size

34 kWp

Number of Panels

120 panels

Annual Energy Generation

~42,000 kWh

20-Year Energy Output

~840,000 kWh

Grid Independence

14% reduction in grid reliance

CO₂ Reduction (Annual)

~25 tonnes

CO₂ Reduction (20 Years)

~500 tonnes

Environmental Impact

🌳

~1,250 trees

or powering local events sustainably

Summary

Dromoland Castle sets an example of how historic properties can lead in climate action. Through thoughtful design and skilled implementation, MarVal Power helped the estate embrace renewable energy, reduce its carbon footprint, and maintain its timeless character.

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