Diageo stated that the strategy “underpins the goal to accelerate to net zero carbon emissions” at St. James's Gate and will save energy and water use throughout the brewing process.

The investment aims to cut greenhouse gas emissions (scope 1 and scope 2) produced by the site by more than 90% and phase out the use of fossil fuels completely in its direct brewing activities.

The site's renewable energy plan calls for using heat pumps that draw electricity from the grid and biogas produced in a brand-new water recovery plant by 2030. Additionally, this facility will increase water efficiency and allow for an estimated 30% reduction in the amount of water required to brew Guinness.

Taoiseach Simon Harris described the plans as a “green transformation” that would provide a “strong message to the world” during a Thursday announcement.

“I think it's really good when you can see the two goals coming together: the importance of the climate and industry, but also the importance of jobs.”

“I am aware of this brewery's lengthy and illustrious history with both the nation and the city.”

“It is really encouraging to see its priorities in terms of the significance of climate action now aligning with national and international priorities.”

Mr. Harris stated that “it is entirely possible to be a successful, booming, profitable business and do what is right by the planet, and that the scale of the investment demonstrates Diageo's commitment and leadership.”

Debra Crew, worldwide chief executive of Diageo, expressed gratitude to the government for funding the decarbonisation strategy via Enterprise Ireland, a state body.

“St James's Gate is a historic location for an iconic brand,” the speaker stated. As we approach the 260th year of our 9,000-year lease at St. James's Gate, this investment will guarantee Guinness a vibrant and sustainable future.

Being the leading firm in the sector and a significant Irish enterprise, we take great pride in spearheading the decarbonisation movement.

Later this year, Diageo will present the project's planning application to Dublin City Council.