Ireland shuts last coal plant, becomes 15th coal-free country in Europe (2025)
Timeliness and context of the article
- Some argue the 2025 shutdown isn’t “news” anymore; others reply that sub‑year-old developments in slow-moving sectors like energy are still worth discussing.
- Several point out energy transitions are measured in decades, so a 2025 milestone remains relevant context.
What actually replaced coal in Ireland
- Multiple commenters cite Irish and Our World in Data stats: coal and peat generation have been steadily displaced mostly by wind, plus some gas and imports.
- Confusion arises from mixing “electricity mix” with “primary energy” (which includes transport and industry), leading to disagreement about oil’s share.
- Consensus: Ireland now has negligible oil- and coal‑fired grid capacity; the coal plant was converted to emergency‑only heavy fuel oil backup.
Imports, interconnectors, and “coal‑free” claims
- Ireland imports a modest share of electricity (≈10–15%) from the UK and increasingly from future interconnectors (e.g., France).
- Critics say “coal‑free” is misleading if imported electricity sometimes comes from coal-heavy grids; supporters reply that UK imports are largely gas, nuclear, hydro and that coal use is collapsing there too.
- Broader debate: production‑ vs consumption‑based emissions; some call “coal‑free” partial greenwashing, others say it’s still a meaningful step.
Prices, data centers, and grid limits
- Irish commenters stress very high electricity prices and blame policy, underinvestment, and a surge in data‑center demand (now ~20% of load, most of the growth).
- Others counter that gas price shocks from Ukraine and Middle East conflicts are the main driver, and that more renewables would lower exposure.
- Planning and grid‑upgrade bottlenecks, not generation tech, are repeatedly cited as the real constraint.
Renewables, intermittency, and storage
- Classic arguments: “no sun/wind” vs “this has been studied for decades; we have solutions.”
- Proposed firming options: gas peakers, hydro/pumped hydro, grid‑scale batteries (BESS), flywheels, demand response, and interconnectors.
- Disagreement on pumped hydro: technically cheap per kWh but geography- and ecology‑limited; many expect batteries to dominate because they’re sitable almost anywhere and falling in cost.
Nuclear vs gas vs renewables
- Some argue the optimal path is high nuclear baseload plus gas peakers; others say nuclear is too slow and expensive versus solar+wind+batteries.
- Nuclear “load following” capability is debated; technically possible, but many note nuclear only makes economic sense run near 100% capacity.
- Safety comparison: coal’s diffuse but huge health and environmental toll vs rare, concentrated nuclear accidents; several claim coal has been vastly worse overall.
- Political acceptability, waste storage, cost overruns, and long build times are cited as nuclear’s main blockers in Europe.
Peat/turf and domestic heating
- Peat has been removed from grid generation, but small-scale domestic turf burning persists in rural areas and is culturally sensitive.
- Some rural Irish commenters say attempts to ban turf are politically toxic; others argue the climate and air‑quality impact of remaining domestic use is relatively small but non‑zero.
Global context: Europe, China, India, offshoring
- Some say Europe “exported” coal emissions to China via de‑industrialization; others reference data showing trade‑related emissions are significant but not dominant.
- China and India are frequently mentioned: critics focus on new coal plants; others counter with data that China’s coal generation is flattening, while renewables (especially wind/solar) are being added at record pace, and India’s grid is also rapidly adding renewables.
- Per‑capita emissions and electrification (EVs, heat pumps) are used to argue that decarbonization must consider fairness as well as totals.
Coal plant economics and phase‑out
- Many note coal plants are increasingly uneconomic versus gas and renewables; some European coal units are closing before original design life, others roughly on schedule.
- Coal is described as inflexible, dirty, and operationally complex compared to gas turbines and renewables; several commenters call it “obsolete” except for niche industrial uses (notably steelmaking, which remains hard to decarbonize).