Renewable Energy

Sustainable Energy Solutions
for a Greener Future

At Rockbrook AD, we transform organic waste and byproducts into renewable energy, helping businesses and communities reduce carbon emissions and embrace a greener future.

What We Do

Welcome to Rockbrook AD

Pioneering Sustainable Energy Solutions

Our state-of-the-art anaerobic digestion (AD) plant in Ballyroan, Co. Laois generates clean electricity and biomethane, provides sustainable heating, and produces nutrient-rich biofertiliser, supporting farmers and businesses in their sustainability goals.

ABOUT US

Cut waste disposal costs by converting organic waste into renewable energy.

Enhance sustainability credentials with a circular economy approach that minimises waste and maximises resources.

Reduce your carbon footprint with clean, green energy solutions.

Provide nutrient-rich biofertiliser, reducing reliance on chemical alternatives.

Key Benefits

Why Businesses Choose Rockbrook AD

Cost Savings

Reduce waste disposal costs and reliance on fossil fuels.

Environmental Compliance

Meet sustainability targets and regulatory requirements.

Reliable Energy Supply

Dependable renewable energy for industrial and agricultural applications.

Support for Farmers

Providing sustainable income oportunities and nutrient-rich biofertiliser.

Community Impact

Our district heating system provides free heat to the local church and Sue Ryder Home, reducing carbon emissions in Ballyroan Village.

Circular Economy Benefits

Organic waste is converted into valuable resources, closing the loop on sustainability.

The Anaerobic Digestion Process

We provide anaerobic digestion solutions for industries across Ireland,
turning organic waste into renewable energy.

Through The Process

How it Works

Organic waste / materials are broken down in an oxygen-free environment through anaerobic digestion.

Methane-rich biogas is captured and converted into renewable electricity and heat or biomethane.

The remaining digestate is used as a natural fertiliser, supporting sustainable farming practices.

Get in touch

The form has been submitted successfully!

There has been some error while submitting the form. Please verify all form fields again.

Learn More From

Frequently Asked Questions

What is Anaerobic Digestion?

Anaerobic digestion is a natural process where micro-organisms break down organic materials in an oxygen-free environment, producing biogas and digestate.

What is Biogas?

Biogas is a mixture of methane, CO₂, and other gases produced during anaerobic digestion. It can be used for electricity, heat, and fuel applications.

What is Biomethane?

Biomethane is an upgraded form of biogas that can replace fossil natural gas in homes, industries, and transport.

What Happens to the CO2?

Captured CO2 from the process is used in industries such as food & beverage for carbonation, refrigeration, and dry ice production.

Sustainability

Join Us in Driving Sustainability

Discover how Rockbrook AD can help your business reduce waste, manage byproducts, lower emissions, and embrace sustainable energy.

Sectors We Serve

We provide anaerobic digestion solutions for industries across Ireland, turning organic waste into renewable energy.

Retail & Hospitality – Food waste conversion for supermarkets, restaurants, and hotels

Agriculture & Farming – Manure, slurry, and crop waste management

Food Producers – Waste-to-energy for processors, breweries, and dairies

Industrial & Manufacturing – Sustainable waste treatment and energy recovery