How solar adoption is slashing energy bills and reshaping dairy farm economics.
Irish dairy farmers face surging energy expenses—often accounting for a significant slice of milk production costs—and are increasingly turning to solar energy as a solution. A new guide, backed by Teagasc and supported by Minister Noel Grealish, outlines how on-farm solar installations can reduce overheads and improve financial resilience.
Through generous grants of approximately 60% under the national TAMS 3 scheme, dairy producers can see solar payback periods shrink to just three years. Teagasc energy specialist John Upton estimates that, post-grant, a typical solar investment in a 100-cow dairy farm can deliver returns in under three years, making the switch financially compelling.
Case studies from farmers adopting this technology in outbuildings show dramatic energy savings. Examples include dairy sheds in Ireland integrating solar panels that generate 15–16% of annual energy needs, significantly reducing reliance on grid electricity.
Beyond cost savings, solar fosters resilience against price volatility and supply risks. As energy costs climb and grid instability rises, on-site solar provides reliable electricity—crucial for continuous milking operations—and potential revenue from surplus energy exported to the grid.
For the global dairy sector, this marks a strategic shift. By blending low-carbon power generation with milk production, farmers can diversify income, reduce carbon footprint, and enhance competitiveness. The solar pivot is not just about electricity—it’s about future-proofing dairy.
Source: RTÉ – Dairy farmers encouraged to go solar to cut costs https://www.rte.ie/news/business/2025/0702/1521524-dairy-farmers-encouraged-to-go-solar-to-cut-costs/
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