10th August 2026
Britain closed its last coal-fired power station in 2024.
For many people, that marked the final end of an era. Coal had powered Britain's industrial revolution, heated homes and generated electricity for more than a century.
But there is an intriguing question hiding behind Britain's energy transition:
What if we need it again?
Britain has not run out of coal.
There are still substantial coal resources beneath parts of Scotland, Yorkshire, Wales and northern England.
The real question is whether Britain could ever make economic use of those resources again.
And if oil and gas became extremely expensive or unreliable, would the public be prepared to reconsider coal if modern technology could make it far cleaner than the power stations of the past?
Britain still has coal underground
It is easy to assume that Britain abandoned coal because the country simply ran out of it.
That isn't the case.
Britain still has extensive coal-bearing geology.
Scotland's historic coalfields stretch across much of the Central Belt, including areas of Lanarkshire, Ayrshire, Fife and the Lothians.
Yorkshire also sits over one of Britain's major historic coalfields.
The country therefore still possesses a considerable domestic energy resource.
The problem is that the coal industry has almost completely disappeared.
UK coal production has fallen by around 99% since 2015.
By the end of 2025, Britain's remaining coal production was tiny, with only a few hundred people employed in the industry.
Britain has not run out of coal.
Britain has effectively stopped mining it.
Could we simply reopen the old mines?
Unfortunately, it isn't that simple.
Many former mines have flooded or deteriorated.
Mining equipment and supply chains have disappeared.
The skilled workforce has moved into other industries or retired.
New mines would require substantial investment.
And planning and environmental regulations would make new developments considerably more complicated than they were in the past.
So if Britain ever wanted to use its coal resources again, it would effectively have to rebuild a coal industry.
That would take years and cost a great deal of money.
But that does not mean it could never happen.
The economics would depend upon the circumstances.
What if oil and gas became extremely expensive?
This is where the argument becomes interesting.
Britain and Europe have experienced a series of energy shocks.
Russia's invasion of Ukraine disrupted European gas supplies.
The Middle East remains unstable.
Oil and gas prices can rise sharply when international supply is threatened.
At the same time, Britain's electricity demand is expected to increase as transport, heating and industry become increasingly electrified.
If the transition to renewable and nuclear energy were slower than expected, Britain could face a difficult situation:
rapidly increasing electricity demand + insufficient reliable generation + expensive imported fossil fuels.
Under those circumstances, domestic coal might suddenly look rather different.
Not attractive.
Not environmentally ideal.
But potentially valuable as an energy-security resource.
China and India offer an uncomfortable comparison
This is where Britain's approach becomes particularly interesting.
China and India continue to use enormous quantities of coal.
China consumed around 30% more coal than the rest of the world combined in 2025 and commissioned almost 80 GW of new coal-fired capacity.
Yet China's coal-fired electricity generation actually fell by around 1.5% because renewable generation expanded so rapidly.
India's coal generation also fell in 2025, although coal remains central to its electricity system. (iea.org)
These countries are therefore doing something Britain and much of Europe have largely rejected.
They are building renewable energy extremely rapidly while retaining coal capacity as insurance.
The argument is not necessarily that coal should remain dominant forever.
It is that rapidly growing economies cannot afford to gamble their electricity supply on technologies that cannot yet guarantee power at every hour of every day.
Why coal remains financially attractive
There is a straightforward economic reason for retaining coal.
Coal can be stored.
A power station can have months of fuel sitting beside it.
The operator knows exactly how much energy is available.
Wind and solar have almost zero fuel costs, but their output varies with weather and time of day.
That means a modern electricity system needs some combination of storage, nuclear, hydro, interconnection and flexible generation to compensate.
Coal is one possible source of that flexibility.
It is not necessarily the cheapest or cleanest solution.
But it is a known technology with a readily storable fuel.
What would a modern coal station actually look like?
This is where the public debate can become outdated.
Many people still picture an old coal station with a huge chimney pouring black smoke into the atmosphere.
Modern technology can deal with much of that pollution.
A modern coal plant can use sophisticated systems to control:
particulates;
sulphur dioxide;
nitrogen oxides;
mercury;
and other harmful pollutants.
Flue-gas scrubbers, filters and catalytic systems can dramatically reduce local air pollution.
So the familiar black smoke associated with older coal stations is not an inevitable feature of modern coal generation.
But there is one enormous problem.
Carbon dioxide.
You can clean the smoke – but not the carbon
Coal is still one of the most carbon-intensive ways of generating electricity.
Even an advanced coal plant without carbon capture would release enormous quantities of CO₂.
That is why simply building a more efficient coal station does not solve Britain's climate problem.
The only obvious technological route is carbon capture and storage.
Could carbon capture change everything?
Carbon capture takes CO₂ from the exhaust gases before they enter the atmosphere.
The captured gas can then be compressed, transported and stored permanently underground.
The technology has the potential to remove a very large proportion of the emissions.
The IEA has previously estimated that combining high-efficiency coal technology with carbon capture could reduce CO₂ emissions by around 90%. (iea.org)
But there is a catch.
Carbon capture is expensive.
It also consumes energy, meaning a power station has to burn more fuel to deliver the same amount of electricity to consumers.
Then Britain would need infrastructure to transport and store the captured CO₂.
So the question becomes:
Would carbon-captured domestic coal be cheaper and more secure than imported gas, nuclear power or massive investment in storage and renewables?
At today's prices, that is difficult to imagine.
But energy crises have a habit of changing economic calculations.
Britain could theoretically have "cleaner coal"
Imagine a future British coal station.
It could have:
highly efficient boilers;
advanced pollution controls;
particulate filters;
sulphur and nitrogen controls;
continuous emissions monitoring;
carbon capture;
CO₂ pipelines;
permanent geological storage beneath the North Sea.
It would bear little resemblance to the coal stations of the 1950s or 1960s.
It would still not be completely environmentally harmless.
But the amount of pollution released into the atmosphere could be dramatically lower.
The question would become one of cost, scale and necessity.
Scotland's coal could become interesting again
This is where the debate becomes particularly relevant to Scotland.
Scotland has a long coal-mining history.
Communities across the Central Belt were built around the industry.
The mines are largely gone, but the coal-bearing geology remains.
Imagine that Britain faced a prolonged energy crisis.
Oil and gas prices were exceptionally high.
Electricity demand was rising rapidly.
New nuclear stations were taking longer than expected.
Renewable generation was expanding but storage was insufficient.
Would Scotland's coal resources suddenly become strategically interesting?
It is certainly possible.
That does not mean the old mining industry would return.
Any new industry would probably be much more automated and technologically advanced.
But the basic resource would still be there.
Yorkshire could face the same question
Yorkshire has another major historic coalfield.
The region was once one of Britain's great coal-producing centres.
If domestic energy security became a major political priority again, Yorkshire would inevitably be part of the discussion.
The economic question would be whether modern extraction costs could compete with imported coal and other forms of electricity generation.
If coal prices remained low internationally, probably not.
If global energy prices became extremely volatile, the calculation could change.
Would reopening mines actually create jobs?
Possibly — but probably nowhere near the numbers seen during Britain's industrial heyday.
Modern mining is far more mechanised.
A new mine could produce substantial quantities of coal with a relatively small workforce compared with historical coal mines.
That means the economic benefit would probably come through:
mining;
engineering;
construction;
transport;
equipment manufacturing;
power generation;
carbon capture;
and associated services.
It would be a modern energy industry, not a return to the old coal economy.
There is another possibility: coal as strategic insurance
Perhaps Britain would never need to operate coal stations continuously.
Instead, it could theoretically retain the ability to develop domestic coal resources if an extreme energy emergency occurred.
That would be similar to an insurance policy.
The problem is that insurance costs money.
Maintaining mines, equipment, skills and infrastructure that may never be required would be expensive.
And investing billions in coal infrastructure could divert money from the technologies Britain actually wants to develop.
The strongest argument against coal
The biggest argument against bringing coal back is not simply environmental opposition.
It is economics.
Britain has alternatives.
Offshore wind is becoming increasingly competitive.
Solar costs have fallen dramatically.
Nuclear provides reliable low-carbon electricity.
Hydro and pumped storage can provide flexibility.
Batteries are expanding.
Interconnectors allow electricity to move between countries.
And Britain is developing carbon capture and hydrogen technologies.
Building a new coal industry could therefore mean spending huge sums on infrastructure that might become obsolete before it has paid for itself.
But there is also a strong argument against eliminating every option
The opposite danger is assuming that the transition will happen exactly as planned.
What if electricity demand rises faster than expected?
What if offshore wind construction slows?
What if nuclear projects are delayed?
What if grid connections take too long?
What if batteries and other storage technologies fail to scale quickly enough?
What if another war disrupts international energy markets?
What if oil and gas prices rise dramatically?
Those are not impossible scenarios.
Britain has experienced several of them already in different forms.
The Chinese lesson
Perhaps the most important lesson from China and India is not that Britain should copy their coal consumption.
It is that they are not betting everything on one energy technology.
They are building wind and solar at extraordinary speed.
They are investing in nuclear power.
They are expanding electricity grids.
They are developing batteries.
And they are retaining coal capacity.
That gives them a form of energy insurance while the transition takes place.
Britain has chosen a much more aggressive path away from coal.
That may ultimately prove the right decision.
But it also means Britain has fewer options if the transition encounters serious problems.
Would Britain really burn coal again?
That is the controversial question.
If energy remained affordable, secure and increasingly renewable, there would be little economic reason to return to coal.
But imagine the alternative.
Suppose households faced persistently high electricity bills.
Suppose manufacturers were closing because energy costs made them uncompetitive.
Suppose oil and gas prices surged again because of another international crisis.
Suppose renewable and nuclear construction could not keep up with demand.
Would the British public still regard domestic coal as completely unacceptable?
Or would the question become:
"If we have coal beneath our feet, can we find a way to use it without repeating the environmental damage of the past?"
That is a very different question.
The answer may ultimately be "no"
Modern coal technology does not magically make coal clean.
Carbon capture remains expensive and has not been demonstrated at the scale necessary to transform the global coal industry.
Reopening British mines would also be expensive and time-consuming.
So it may be that domestic coal remains economically and environmentally unattractive.
But that conclusion should come from examining the numbers rather than simply assuming the resource has no value because Britain has decided not to use it.
The bigger lesson for Britain's energy policy
Britain's energy future is unlikely to be decided by one technology.
The most resilient system is probably going to involve:
wind + solar + nuclear + hydro + storage + interconnection + flexible generation.
Oil and gas will remain part of the system during the transition.
And perhaps domestic coal should remain something Britain studies rather than completely forgets.
The important point is that energy security has a value.
China and India understand this.
Europe learnt it painfully after Russia invaded Ukraine.
Britain has experienced it through soaring energy prices.
The challenge is to build an energy system that is both affordable and secure without locking the country into another generation of high-carbon infrastructure.
Britain has not run out of coal.
It has simply decided that the economic and environmental cost of extracting it is currently too high.
But if the energy world changes dramatically, that calculation could change.
And that leaves Britain with a fascinating question:
Have we permanently abandoned coal — or have we simply put it on the shelf until the economics of energy force us to look at it again?