The end of an era: Britain's transition from coal-fired power to renewable energy
Image: Vitaliistock/Shutterstock.com
From coal fired power to renewable energy: Introduction
Britain now generates no electricity from coal-fired power stations. Ratcliffe-on-Soar, the last of the coal fired power stations closed on 30 September 2024. Its closure marked the end of an industry that had supplied electricity for more than 140 years.
How did Britain get from coal’s dominance to that final shutdown? This article follows the power stations behind the change: the decline of the coal fleet, the growth of onshore and offshore wind, and the continuing role of gas in the electricity system.
This article looks into the history, the present state of energy in the UK, and the trends that have emerged from analysing the power stations that powered the nation.
A history of British coal
Coal has played an essential role in Britain's history, with roots stretching back to the Roman era. However, its central role in electricity generation began in 1882 with the opening of the world's first coal-fired power station, the Holborn Viaduct, in London. Coal quickly became the backbone of the UK’s energy supply, powering homes, industries, and transport throughout the 20th century. By the 1980s, coal generated around 80% of the UK’s electricity.
The rise of coal as a primary energy source was driven by its abundance and affordability. Britain’s coalfields in regions like Wales, Yorkshire, and the Midlands allowed the country to build a robust energy infrastructure. Coal-powered electricity transformed British cities, enabling rapid industrialisation and urbanisation. The industry thrived, with power stations like Ferrybridge, Cottam, and Ratcliffe-on-Soar becoming household names synonymous with energy production.
UK Coal fired power stations 1920 onwards interactive
Image description: Longannet Power Station with the Ochil Hills in the background. At the time of its operation, Longannet was one of the largest coal-fired power stations in Europe and the last large coal plant in Scotland before its closure. 1967 to 2013. Image credit: sandy harvey/shutterstock.com
A new dawn: rise of wind power
As coal power stations went offline, wind power emerged as a significant contributor to the UK’s energy grid. Data on onshore and offshore wind farms illustrates this trend. For instance, the Whitelee Wind Farm in Scotland, commissioned in 2009 and later expanded, became one of Europe's largest onshore wind farms, with a capacity of 539 MW. Similarly, the Clyde Wind Farm in South Lanarkshire, with a capacity of 522 MW, highlights Scotland’s strong emphasis on wind power as a critical energy source.
Offshore wind also gained momentum, with projects like the Beatrice Wind Farm in the Moray Firth, featuring 84 turbines and a capacity of 588 MW, coming online in 2018. These projects have capitalised on the UK’s geographic advantage, with strong winds and a long coastline providing ideal conditions for large-scale offshore wind farms.
The shift toward wind power aligns with global trends and is particularly evident in Scotland, home to a significant proportion of the UK’s wind capacity. As of 2024, wind power accounted for over 30% of the UK's electricity generation, positioning the nation as a global leader in harnessing wind energy.
Analysis of power station trends: capacity and transition
The power station data highlights a clear trend: a shift from large, centralised fossil fuel power plants to a more diversified and renewable-based energy system.
Some key observations in the shift away from coal:
Decreasing average capacity of new plants: While coal and nuclear plants like Longannet (2,400 MW) and Dungeness B (1,100 MW) provided large capacities, recent renewable energy projects, primarily onshore wind farms, tend to be smaller in scale. Most onshore wind farms, such as the Fairburn Estate (40 MW) and Earlsburn (37.5 MW), reflect this trend toward smaller, distributed generation assets.
Rapid expansion of wind capacity: The UK’s wind capacity expanded significantly between 2000 and 2024, as seen in projects like the Whitelee and Clyde wind farms. These projects are indicative of the strategic investments made in renewable energy infrastructure.
Regional focus on renewables: Scotland has emerged as a hub for renewable energy, with many of the UK’s largest wind farms. This focus aligns with Scotland’s ambitious climate goals, which aim to reach net-zero emissions before the rest of the UK.
Decline in fossil fuels and rise in naturasl gas: While coal has been phased out, natural gas has played a transitional role in the UK’s energy mix. Gas-fired power stations like Peterhead and Grangemouth have provided the flexibility to balance intermittent renewable generation. Still, gas’s role is expected to diminish as energy storage technologies become more viable.
The Governments importance of a just transition: Efforts to support displaced workers have characterised the transition away from coal. For instance, many former coal plant employees at Ratcliffe were offered training and opportunities in renewable energy and decommissioning work. This emphasis on a "just transition" has been critical in maintaining social support for the energy shift.
The role of energy policy in driving change
Government policy has been central to the UK’s energy transition. Introducing the Carbon Price Support mechanism in 2013 made coal generation more expensive, accelerating the shift to cleaner sources. Coupled with the Renewable Obligation and later the Contracts for Difference (CfD) scheme, these policies made wind and solar power increasingly competitive. The UK’s decision to host the COP26 climate summit in Glasgow was a testament to its leadership in global climate policy. By bringing forward the coal phase-out to 2024 and setting ambitious renewable energy targets, the UK aimed to position itself as a model for other countries. This leadership has been reflected internationally, with many OECD countries following the UK’s example and committing to end coal use within the next decade.
Image credit: Dale Kelly/shutterstock.com
Image description: Whitelee windfarm is the largest onshore wind farm in the UK and one of the largest in Europe, with over 200 turbines spread across a wide area. It plays a crucial role in Scotland’s renewable energy generation.
Challenges and opportunities for clean energy
While the closure of Ratcliffe and the rise of renewable energy are significant achievements, the UK's energy transition faces ongoing challenges. The energy crisis 2022, triggered by geopolitical tensions, underscored the need for energy security and the role of gas as a backup to renewables. As gas prices soared, it highlighted the importance of developing energy storage solutions and investing in grid infrastructure to support a renewables-dominated system.
The next phase of the transition will focus on reducing reliance on gas, developing hydrogen as a clean energy carrier, and expanding battery storage capacity. Offshore wind is set to play a vital role, with the government aiming for 50 GW of offshore wind capacity by 2030. Achieving these goals will require sustained investment innovation and policies that ensure a fair transition for workers and communities affected by the shift away from fossil fuels.
Energy security amidst a transition to renewables
Although the UK’s phase-out of coal power has undeniably reduced its domestic carbon emissions, this transition has not been without trade-offs. As domestic coal mines closed and coal-fired power stations were decommissioned, the UK increasingly turned to natural gas to fill the gap. Natural gas, though cleaner than coal, still emits significant CO₂ when burned.
Initially, much of the UK's gas came from the North Sea, supporting energy independence. But as the Scottish and UK governments have focused on reducing reliance on the north sea oil industry, the UK has become more reliant on imports to meet its energy needs. This includes liquefied natural gas (LNG) from countries like Qatar and pipeline gas from Norway, as well as more recent imports from the United States. In the wake of geopolitical events such as the war in Ukraine, the UK's reliance on imported gas has heightened concerns about energy security. With Russia’s invasion of Ukraine disrupting gas supplies across Europe, the UK was reminded of the vulnerabilities that come with dependence on global energy markets.
A separate article is available in our news section on this topic.
The impact on building energy ratings
The decline in coal and other fossil fuel use for electricity generation has had a positive ripple effect on the UK's building energy ratings. As the national grid has become cleaner, with a larger share of electricity generated from low-carbon sources like wind and solar, the carbon intensity of the energy supplied to homes and businesses has decreased. This shift has improved buildings' overall energy performance ratings, as their associated CO₂ emissions from electricity consumption are now lower. With reduced emissions, buildings can achieve better Energy Performance Certificate (EPC) ratings, which are critical for meeting regulations and attracting investment in real estate. Improved EPC ratings can lead to higher property values, lower energy costs, and a reduced environmental footprint, making the transition from coal and other fossil fuels a win-win for both the environment and the economy. As the UK continues decarbonising its energy system, the potential for further improvements in building energy efficiency remains strong, supporting the nation’s broader climate goals.
Conclusion: A historic turning point
The shutdown of Ratcliffe-on-Soar marks the end of a chapter that began with the Holborn Viaduct power station in 1882. The UK’s transition from coal to renewables is a story of rapid change driven by policy, market forces, and a collective recognition of the need for climate action. As the country looks to the future, its experience offers valuable lessons for other nations seeking to balance economic growth with environmental stewardship.
With the closure of its last coal plant, the UK has positioned itself as a leader in the global energy transition. The challenge now lies in sustaining this momentum, ensuring that the benefits of clean energy are widely shared, and building a resilient, net-zero energy system that can serve as a blueprint for the world. The shift away from fossil fuels might have reduced the UK's inhouse carbon footprint and brought about broader benefits, such as improved energy efficiency in buildings and a cleaner atmosphere but to what extent has it offshored it? Read more about offshoring carbon emissions.
Appendix: significant renewable energy power producers in Scotland
Scotland has made significant strides in renewable energy, leveraging its natural geography for wind, hydroelectric, and tidal power generation. Here are some of the largest renewable power facilities in Scotland.
Major renewable energy facilities in Scotland replacing coal
Facility
Location
Capacity
Opened/Commissioned
Type
Description
Whitelee Wind Farm
East Renfrewshire, South Lanarkshire, and East Ayrshire
539 MW
2009 (expansions in 2013)
Onshore Wind
Largest onshore wind farm in the UK with over 200 turbines, playing a crucial role in Scotland’s renewable energy generation.
Beatrice Offshore Wind Farm
Moray Firth (Northeast of Scotland)
588 MW
2018
Offshore Wind
One of the most significant offshore wind projects in Scottish waters, with 84 turbines supplying power to thousands of homes.
Cruachan Power Station (Pumped Storage Hydro)
Argyll and Bute
440 MW
1965
Hydroelectric Pumped Storage
Known as the "Hollow Mountain," it helps balance the grid by storing energy and releasing it during peak demand.
Foyers Hydroelectric Power Station
Highland
300 MW
Reconfigured in 1971
Hydroelectric
Located on Loch Ness's shores, it is one of the larger hydroelectric schemes contributing to renewable energy production and grid stability.
Moray East Offshore Wind Farm
Moray Firth
950 MW (projected)
2021
Offshore Wind
A large-scale offshore wind project that significantly contributes to Scotland's renewable energy capacity.
SSE Hydro Scheme (Multiple Locations)
Across Highlands and other areas
Over 1,000 MW (combined)
N/A
Hydroelectric
Includes small schemes and larger installations like Sloy (152.5 MW) and Tummel Bridge, enhancing Scotland’s hydroelectric capacity.