Start here · Browse by country
Pick a country to jump straight to its coal story
Each card jumps to that country's reserves, major mines, and — where a full country profile exists — its dedicated page. Prefer to read start to finish? Scroll on.
🇮🇳
India
Full section on this page
111.5 Bt reserves (10.3%) · World's 2nd-largest producer · Coal India Ltd, world's largest coal miner.
🇨🇳
China
Full country profile →
143.2 Bt reserves (13.3%) · World's largest producer AND consumer · Shenhua Shendong complex.
🇺🇸
United States
Full country profile →
250.6 Bt reserves — world's largest (23.2% global) · North Antelope Rochelle, largest mine by output.
🇷🇺
Russia
Full country profile →
162.2 Bt reserves (15.0%) · Kuzbass, the world's 3rd-largest coal basin.
🇦🇺
Australia
Full country profile →
150.3 Bt reserves (13.9%) · World's largest coking coal exporter · Bowen Basin, Queensland.
🇮🇩
Indonesia
Full country profile →
36.3 Bt reserves (3.4%) · World's largest thermal coal exporter.
🇩🇪
Germany
Full country profile →
35.9 Bt reserves (3.3%) · Lignite · Hambach, Europe's largest open-cast mine.
🇿🇦
South Africa
Full country profile →
Witbank Coalfield, Mpumalanga · Supplies Eskom's coal-fired power fleet.
Prefer mines and basins over countries? Jump straight to the world's major coal mines, GPS-located ↓
"Coal is compressed sunlight — photosynthesised by plants that grew in swamp forests 300 million years ago, buried, compressed, and chemically transformed over geological time. When we burn coal today, we are releasing sunlight that fell on Earth before the dinosaurs existed. There is something humbling in that."
— The Energy Codex · thecodex.expert
Cluster 1 · What is it?
What coal is — precisely
Coal is rock that burns. It formed over 300 million years ago when vast swamp forests covered much of what is now Europe, Asia, and North America. Trees and plants died, fell into swampy water, and were buried by layers of sediment. Oxygen couldn't reach them to decompose them normally. Instead, over millions of years, the pressure and heat underground compressed the organic material into dense black rock — coal. That rock contains the chemical energy that plants originally captured from sunlight. When we burn it, we release that energy as heat, which boils water, makes steam, and drives turbines.
Coal formation (coalification): Peat (partially decomposed plant matter) → Lignite (brown coal, lowest rank) → Sub-bituminous coal → Bituminous coal → Anthracite (highest rank, most carbon). Rank increases with burial depth, temperature, and time — increasing carbon content, energy density, and hardness while reducing moisture and volatile matter content.
Carboniferous period (~360–300 Ma): This era gets its name from coal. Shallow tropical swamps covered equatorial regions. Plants had evolved lignin (tough structural material) but organisms that could decompose lignin had not yet evolved — meaning dead trees accumulated as peat rather than rotting. This peat was buried by advancing seas and eventually became the coal seams mined today.
Carboniferous period (~360–300 Ma): This era gets its name from coal. Shallow tropical swamps covered equatorial regions. Plants had evolved lignin (tough structural material) but organisms that could decompose lignin had not yet evolved — meaning dead trees accumulated as peat rather than rotting. This peat was buried by advancing seas and eventually became the coal seams mined today.
Source: USGS — Coal Resources · AAPG
Coalification is measured by vitrinite reflectance (Ro%) — the reflectivity of the vitrinite maceral under reflected light. Ro <0.5% = sub-bituminous; 0.5–2.0% = bituminous (coking coal at 1.2–1.7%); >2.0% = anthracite. Proximate analysis measures: moisture, volatile matter (VM), fixed carbon (FC), and ash. Ultimate analysis measures elemental composition (C, H, O, N, S). Calorific values: anthracite 30–35 MJ/kg; bituminous 25–33 MJ/kg; sub-bituminous 18–26 MJ/kg; lignite 10–20 MJ/kg. Thermal coal (steam coal) for power generation vs. metallurgical coal (coking coal) for steelmaking via blast furnace — a critical distinction for pricing and application. Coking coal cannot be substituted in conventional blast furnaces without capital investment.
Source: USGS Coal · IEA Coal 2024
1.07T tGlobal proven reserves (BP 2024)
~132 yrsAt current consumption rate
820 g CO₂/kWhLifecycle — highest of all sources (IPCC AR6)
36%Share of global electricity (IEA 2023)
24 MJ/kgEnergy density (bituminous)
Cluster 3 · Types
Four types of coal — by rank
Anthracite — highest rank · 86–97% carbon
The hardest, densest coal. Energy density 30–35 MJ/kg. Burns very cleanly with little smoke. Relatively rare — approximately 1% of world coal reserves. Used primarily in metallurgy and domestic heating. Major deposits: Pennsylvania USA, South Wales UK, China.
Bituminous — most common · 45–86% carbon
The most widely used type. Two sub-categories: coking (metallurgical) coal — essential for steelmaking, higher value, Australia and Canada are major exporters; thermal (steam) coal — burned to generate electricity. Energy density 25–33 MJ/kg. Global power generation primarily uses high-volatile bituminous.
Sub-bituminous — mid rank · 35–45% carbon
Lower carbon and energy content than bituminous but lower sulphur — making it the preferred power station fuel in some US and Asian markets. Powder River Basin (Wyoming, USA) is the world's largest sub-bituminous deposit. Energy density 18–26 MJ/kg. Wyodak coal seam: 30 metres thick, mined near surface.
Lignite (brown coal) — lowest rank · <35% carbon
Softest, youngest, most moisture-rich coal. Energy density 10–20 MJ/kg. Very high CO₂ per kWh of electricity. Major producer: Germany (Rheinisches Braunkohlenrevier), Greece, Czech Republic. Not generally traded internationally — used near mines (high moisture makes transport uneconomic). Hambach mine (50.92°N 6.53°E, Germany) is Europe's largest open-cast mine.
Cluster 2 · Reserves by country
Global proven coal reserves — top countries
| # | Country | Proven reserves (billion tonnes) | % world | Types |
|---|---|---|---|---|
| 1 | USA | 250.6 | 23.2% | Bituminous + sub-bituminous + anthracite + lignite |
| 2 | Russia | 162.2 | 15.0% | Bituminous + sub-bituminous (Kuznetsk basin) |
| 3 | Australia | 150.3 | 13.9% | World's largest coking coal exporter (Queensland) |
| 4 | China | 143.2 | 13.3% | Largest producer AND consumer globally |
| 5 | India | 111.5 | 10.3% | Gondwana coalfields (Damodar Valley, Jharia) |
| 6 | Indonesia | 36.3 | 3.4% | Sub-bituminous · world's largest thermal coal exporter |
| 7 | Germany | 35.9 | 3.3% | Lignite (brown coal) · Rheinisches basin |
| — | World total | ~1,069 | 100% | Source: BP Statistical Review 2024 |
Cluster 13 · Named instances — major coal mines and basins
The world's major coal mines and basins
| Mine / Basin | Country | GPS | Production | Type | Operator |
|---|---|---|---|---|---|
| North Antelope Rochelle | USA | 43.62°N 105.58°W | ~100 Mt/yr | Sub-bituminous (surface) | Peabody Energy · Powder River Basin · World's largest coal mine by production |
| Jharia Coalfield Built ✓ | India | 23.76°N 86.41°E | ~25 Mt/yr | Bituminous / coking | BCCL (Bharat Coking Coal Ltd) · Jharkhand · India's primary coking coal source |
| Siberian Coal Basin (Kuzbass) | Russia | 54.00°N 86.00°E | ~250 Mt/yr total | Bituminous | Multiple operators · World's 3rd largest coal basin |
| Shenhua Shendong | China | 39.50°N 110.50°E | ~300 Mt/yr | Bituminous | China Energy (Shenhua) · Inner Mongolia/Shaanxi · World's largest underground coal mine complex |
| Bowen Basin | Australia | 22.50°S 148.50°E | ~200 Mt/yr | Coking + thermal bituminous | BHP, Anglo American, Glencore · Queensland · World's premier coking coal export region |
| Hambach | Germany | 50.92°N 6.53°E | ~30 Mt/yr | Lignite (surface) | RWE · North Rhine-Westphalia · Europe's largest open-cast mine · 500m deep |
| Witbank Coalfield | South Africa | 25.88°S 29.21°E | ~200 Mt/yr total | Bituminous | Anglo American, Sasol, Exxaro · Mpumalanga province · Supplies Eskom coal power fleet |
Cluster 2 · Q9 · India and coal
India and coal — the world's second-largest producer
India's coal sector at a glance
India holds approximately 111.5 billion tonnes of proven coal reserves — 10.3% of global total (BP 2024). India is the world's second-largest coal producer and consumer, producing approximately 900–950 Mt in 2023–24 and importing an additional 240 Mt.
Coal India Limited (CIL) (28.38°N 77.21°E — HQ Kolkata) is the world's largest coal mining company by production — approximately 773 Mt in 2023–24. A Government of India enterprise, it accounts for approximately 80% of India's domestic coal production.
India's coal is concentrated in the Gondwana formations of eastern India: Jharkhand (Jharia, BCCL), Odisha, Chhattisgarh (SECL), West Bengal, and Madhya Pradesh.
Source: Coal India Limited Annual Report 2023–24
Coal India Limited (CIL) (28.38°N 77.21°E — HQ Kolkata) is the world's largest coal mining company by production — approximately 773 Mt in 2023–24. A Government of India enterprise, it accounts for approximately 80% of India's domestic coal production.
India's coal is concentrated in the Gondwana formations of eastern India: Jharkhand (Jharia, BCCL), Odisha, Chhattisgarh (SECL), West Bengal, and Madhya Pradesh.
Source: Coal India Limited Annual Report 2023–24
India's coal power generation
Coal generates approximately 75% of India's electricity — the dominant source by a wide margin. India operates approximately 225 GW of coal-fired capacity (CEA 2024). Key plants:
Vindhyachal STPS, MP · 24.08°N 82.66°E · 4,760 MW · NTPC · India's largest thermal plant
Mundra UMPP, Gujarat · 22.84°N 69.73°E · 4,620 MW · Tata Power · Imported coal
Talcher STPS, Odisha · 20.96°N 85.22°E · 3,000 MW · NTPC
India's energy challenge: 500 GW renewables by 2030 while maintaining reliability. Coal plants remain essential for base load during the transition. Source: CEA India 2024 · NTPC Annual Report 2023
Vindhyachal STPS, MP · 24.08°N 82.66°E · 4,760 MW · NTPC · India's largest thermal plant
Mundra UMPP, Gujarat · 22.84°N 69.73°E · 4,620 MW · Tata Power · Imported coal
Talcher STPS, Odisha · 20.96°N 85.22°E · 3,000 MW · NTPC
India's energy challenge: 500 GW renewables by 2030 while maintaining reliability. Coal plants remain essential for base load during the transition. Source: CEA India 2024 · NTPC Annual Report 2023
Cluster 4 · Pioneers
The people who built the coal industry
James Watt · 1736–1819 · The steam engine made coal matter
Scottish engineer James Watt did not invent the steam engine — but his 1769 patent for the separate condenser transformed it from a pump for draining mines into a general-purpose power source. Watt's improved engine was 3–4 times more efficient than earlier designs. It ran on coal, and it made coal the engine of the Industrial Revolution. The unit of power — the watt — is named after him. Without Watt's steam engine, coal would have remained a local heating fuel rather than the fuel of industrial civilisation. Source: Science Museum UK
George Stephenson · 1781–1848 · Locomotives made coal transportable
George Stephenson, born to a coal-mining family in Northumberland, built the world's first public steam railway (Stockton and Darlington, 1825) and the world's first inter-city railway (Liverpool and Manchester, 1830). Railways transformed coal from a resource limited to areas near waterways into one that could be transported anywhere. The railway made industrial coal consumption possible at continental scale. The unit of locomotive tractive effort is still quoted in his honour. Source: National Railway Museum, York, UK.
Cluster 11 · Future
What institutional sources project
Cluster 12 · Questions
Six questions answered
How is coal formed?
Coal formed approximately 300 million years ago during the Carboniferous period, when vast tropical swamp forests covered much of the northern hemisphere. Plants died, accumulated in oxygen-poor swampy water, and were buried by sediment. Bacteria partially decomposed the organic matter into peat. Over millions of years, additional layers of sediment increased pressure and temperature, driving off moisture and volatile gases, concentrating carbon — transforming peat into lignite, then sub-bituminous coal, then bituminous coal, and finally anthracite. The longer and more intense the process, the higher the rank (carbon content) of the resulting coal.
Source: USGS Coal Resources · IEA Coal 2024
Which country produces the most coal?
China is by far the world's largest coal producer — approximately 4.6 billion tonnes in 2023, representing approximately 54% of global production. India is second at approximately 950 million tonnes. Indonesia, Australia, Russia, and the USA follow. China also consumes most of what it produces domestically. Australia and Indonesia are the world's largest coal exporters. India is a large net importer despite its own large production — the domestic coal is lower quality and located far from power stations. Source: BP Statistical Review 2024 · IEA Coal 2024.
Source: BP Statistical Review of World Energy 2024 · IEA Coal 2024
Is coal still used for electricity in India?
Yes — extensively. Coal generates approximately 75% of India's electricity as of 2024. India operates approximately 225 GW of coal-fired capacity. Despite rapid solar and wind expansion (73 GW solar, 46 GW wind as of ), coal remains the backbone of India's power system for base load — producing power reliably 24 hours a day regardless of weather. India's government has stated that coal will remain important until renewable energy and storage can reliably meet peak demand. India is simultaneously expanding both coal and renewable capacity — a parallel transition. Source: CEA India 2024 · NTPC Annual Report 2023.
Source: Central Electricity Authority India 2024 · Coal India Limited Annual Report 2023-24
What is coking coal and why is it different?
Coking coal (metallurgical coal) is a specific grade of bituminous coal with low volatile matter and ash content that, when heated without oxygen, forms a porous, carbon-rich material called coke. Coke is essential for conventional steel production in blast furnaces — it simultaneously reduces iron ore chemically (removing oxygen) and provides the heat needed. Approximately 600–800 kg of coking coal are required to produce 1 tonne of steel. Coking coal cannot be substituted by thermal coal (the type used in power stations) in a conventional blast furnace. Electric arc furnaces (EAFs) can make steel without coal, but currently EAFs primarily process scrap steel, not iron ore. Australia's Bowen Basin is the world's largest source of premium coking coal. Source: World Coal Association · IEA Steel and Coal.
Source: IEA Iron and Steel Technology Roadmap · World Coal Association
How much CO₂ does coal produce?
Coal has the highest carbon emissions per unit of electricity of any energy source. The IPCC AR6 lifecycle analysis documents approximately 820 g CO₂/kWh for coal electricity — compared to gas (~490 g), solar (~48 g), wind (~11 g), and nuclear (~12 g). In absolute terms, coal accounts for approximately 14–15 billion tonnes of CO₂ per year — approximately 40% of total global energy-related CO₂ emissions (IEA 2024). The main reason is coal's high carbon-to-hydrogen ratio: when burned, coal's carbon reacts with oxygen to form CO₂ with less energy released per kg of CO₂ than gas (which has more hydrogen). Source: IPCC AR6 WG3 · IEA Emissions 2024.
Source: IPCC AR6 Working Group III · IEA CO₂ Emissions 2024
What is the future of coal?
The IEA's Coal 2024 report documents that global coal demand is expected to decline in all scenarios, but the timing and speed depend critically on policy. In the IEA's Net Zero Emissions 2050 scenario, coal demand falls ~95% by 2050. In the Stated Policies Scenario (reflecting actual government policies), coal demand peaks in the mid-2020s and declines to approximately 4.5 billion tonnes by 2050 — a 47% reduction but a far slower transition. China and India's decisions dominate the global trajectory — China alone consumes 54% of the world's coal. Hard-to-abate uses (coking coal for steel, cement) may persist longer than power generation uses. Source: IEA Coal 2024.
Source: IEA Coal 2024 · BP Statistical Review 2024
Connected
Sources
Every source used on this page
Primary sources
BP Statistical ReviewWorld Energy 2024 · Coal reserves by country · Production statisticsbp.com/statistical-review-2024
IEA Coal 2024Coal market analysis · Demand projections · NZE and STEPS scenariosiea.org/coal-2024
GEM Coal Mine TrackerGlobal Coal Mine Tracker · GPS, production, status · CC BY 4.0globalenergymonitor.org/coal-tracker
IPCC AR6Lifecycle emissions · Coal 820 g CO₂/kWhipcc.ch/report/ar6
Coal India LimitedAnnual Report 2023–24 · Production volumes · India coal sectorcoalindia.in
CEA IndiaCentral Electricity Authority · Coal power capacity · Generation statisticscea.nic.in
USGSCoal Resources · Formation geology · US reservesusgs.gov/coal