Wiktor Wise
Electric trains are becoming increasingly common across the globe, with some countries adopting them more widely than others. In 2022, Switzerland and Luxembourg were the front-runners in electric rail services in Europe, with electrification rates of 99.8% and 96.7% respectively. Outside of Europe, India has also been rapidly developing its electric rail network, with an entire generation of young Indians having grown up without ever riding a non-electric train. In this context, it's worth asking: which countries, if any, can claim to have fully electric train networks?
| Characteristics | Values |
|---|---|
| Countries with fully or nearly fully electrified railways | Switzerland, Luxembourg, Sweden, the Netherlands, Italy, France, Germany, Russia, China, India, Japan |
| Country with the highest electrification rate in Europe | Switzerland (99.8%) |
| Country with the highest rail investment per capita in Europe | Luxembourg |
| Rail investment per capita in Germany | 115 euros |
| Rail investment per capita in Luxembourg | 512 euros |
| US rail line in the process of being electrified | California commuter rail line (CalTrain) |
| Estimated cost of electrifying CalTrain | $5 billion |
| Group advocating for the electrification of US railroads | Solutionary Rail |
| Estimated percentage of energy transferred to the wheels in diesel-powered trains | 30-35% |
| Estimated percentage of energy transferred to the wheels with electric trains | 95% |
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What You'll Learn
- Switzerland and Luxembourg lead the way in electrification rates
- The US has limited electric rail services but is considering expansion
- India is rapidly developing its electric rail network
- The UK has electrified railways, except in Northern Ireland
- Electric trains are the most efficient mode of transport
Switzerland and Luxembourg lead the way in electrification rates
Switzerland's success in electrification is due in part to its abundant hydropower resources. The country has the highest density of reservoirs in the world, which not only produce but also store energy. The construction of dams transformed Switzerland's steep slopes into a source of electricity, securing the country's power supply. In addition, Switzerland has a well-connected electricity grid, with 41 nodes connecting it to the high-voltage grids of its neighbouring countries. Swissgrid, the operator of the Swiss high-voltage grid, plays a crucial role in managing European power flows through the country.
Luxembourg, meanwhile, leads in rail investment, spending 512 euros per citizen on railway infrastructure in 2023, significantly more than other countries like Germany. This commitment to rail investment has likely contributed to the country's high electrification rate.
Both Switzerland and Luxembourg have also made strides in electric vehicle adoption. Switzerland, for example, has approximately 17,000 public charging points, one of the densest networks in the world. However, there is recognition that more needs to be done, with calls for a greater commitment from public authorities to encourage the installation of charging infrastructure.
Overall, Switzerland and Luxembourg's high electrification rates in their railway systems are commendable, and their experiences offer valuable insights for other countries seeking to transition to more sustainable energy systems.
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The US has limited electric rail services but is considering expansion
The US has a limited number of electric rail services in operation, but there are plans to expand electrification across the country. Electric rail services have existed in the US since 1895, when the Howard Street tunnel through Baltimore brought about the world's first mainline electrification. However, the US has historically relied on diesel-powered trains, and only a few passenger rail lines have been converted to electric power.
Currently, Amtrak's Northeast Corridor and the Harrisburg, PA, line are electrified. The California commuter rail line, CalTrain, is also being upgraded to a very high-speed rail (VHSR) service that will use electric power. This system is scheduled to be operational by 2022 and has an initial estimated cost of $5 billion. Other VHSR systems are being considered across the country, but funding remains a challenge.
There are several benefits to electrifying US railroads. Firstly, electric trains are more efficient than diesel-powered trains, with electricity transferring about 95% of the energy to the wheels compared to 30-35% for diesel. Electric locomotive engines and maintenance costs are also lower than those of diesel trains. Electrification would also reduce air pollution, as electricity can be generated from renewable sources, and it would provide a new market for renewable energy. Additionally, electric trains are more efficient aerodynamically than trucks, making them a more environmentally friendly option for long-haul freight.
However, transitioning to a nationwide electrified rail system is not a trivial task. The US railway infrastructure is extensive, and the cost of such an undertaking would be significant. There are also regulatory and legislative hurdles to overcome, with some uncertainty about the role of Congress and the Surface Transportation Board in approving and overseeing the transition. Nonetheless, with the potential for cost savings and environmental benefits, the expansion of electric rail services in the US is a topic that is gaining traction.
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India is rapidly developing its electric rail network
India is witnessing a rapid transformation in its rail network with a focus on electrification. Electric trains were introduced in the country as early as 1925, but the journey towards a comprehensive electric rail network has been a long one. In recent years, however, India has accelerated its electrification efforts, aiming to achieve a complete transition from diesel to electric locomotives.
The electrification of India's rail network has gained significant momentum since 2014, with around 40,000 kilometres of railway lines electrified during this period. This rapid progress has resulted in 94% of the country's rail lines being electrified as of January 1, 2024. The Indian government's commitment to this transition is evident from the significant investments made in railway electrification, amounting to over INR 464.3 billion ($5.5 billion) since 2014.
The establishment of the Environment Directorate by the National Railway Board in 2015 marked a turning point in India's electrification journey. This initiative aimed to coordinate environmental efforts across the Indian Railways network, which was predominantly diesel-powered at the time. The shift towards electrification is driven by the government's goal to enhance energy security and reduce the country's dependence on imported crude oil, which incurs a substantial financial burden.
Electrifying the rail network is expected to have a significant environmental impact, with the Indian Railways aiming to become a net-zero carbon emitter by 2030. The transition to electric trains is projected to save 2.8 billion litres of high-speed diesel oil annually, according to the Cabinet Committee on Economic Affairs. However, concerns have been raised about the source of electricity, with experts advocating for increased investment in renewable energy sources to meet the growing energy demands of the rail network and ensure alignment with India's climate change commitments.
India's rapid development of its electric rail network sets a precedent for other nations, showcasing the feasibility of transitioning to a more sustainable and environmentally friendly transportation system. The country's ambitious goals and significant progress in a short period demonstrate its commitment to modernising its railway infrastructure while also addressing the global challenge of reducing carbon emissions.
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The UK has electrified railways, except in Northern Ireland
The UK has been electrifying its railways since the late 19th century, with the first electric railway being Volk's Electric Railway in Brighton, which opened in 1883 and is still functioning. As of October 2023, about 38% of the British rail network was electrified, with the most common systems being 25 kV AC using overhead lines and the 750 V DC third rail system used in Southeast England and on Merseyrail. The London Underground began operating electric services in 1890, and various suburban lines were electrified in the early 20th century. The Northern Hub project has electrified several lines in North West England and Yorkshire, and there are plans to expand electrification to other lines in the coming years.
However, Northern Ireland has not seen the same level of electrification as the rest of the UK. The only electrified railway network in Ireland is the Dublin Area Rapid Transit (DART) system, in addition to the Luas, which runs on a separate network. The Great Northern Railway, which straddled the border between the Republic and Northern Ireland, was purchased jointly by the Irish and British governments in 1953 but was dissolved in 1958, with the remaining stock split equally between the two railways. While diesel and electric multiple units have been used on Ireland's railways, Northern Ireland has yet to fully electrify its rail network.
In 2020, the UK government announced £4.2 billion of new electrification schemes, including the Northern Hub, Great Western Main Line, South Wales Main Line, and Midland Main Line. The Trans-Pennine route from Manchester to York and Selby via Leeds was also announced, but some projects were delayed or cut back due to rising costs. The Scottish Government has also pursued electrification, with plans to phase out fossil fuel use on the railway network by 2035. Most lines in Scotland are expected to be electrified, with intermittent electrification in difficult places.
Overall, while the UK has made significant progress in electrifying its railways, Northern Ireland has not kept pace, and its rail network remains primarily diesel-powered. The UK continues to invest in electrification projects, aiming for a more sustainable and efficient rail system.
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Electric trains are the most efficient mode of transport
In terms of electricity generation and supply, electric trains are more efficient than internal combustion engines. However, there are transmission losses from the power plant to the train. The efficiency of electric trains can be further improved with regenerative braking, which returns current to the catenary while braking, reducing the impact of hilly terrain.
The rail industry is constantly innovating to increase efficiency. For example, GE has developed algorithms that optimise fuel consumption and improve safety. Additionally, rail companies are experimenting with switching from diesel to natural gas, which could reduce costs and increase efficiency.
Some countries, such as Switzerland and Luxembourg, have almost fully electrified their railway networks, with electrification rates of 99.8% and 96.7%, respectively, as of 2022. These countries are leading the way in providing efficient and environmentally friendly transportation for their citizens.
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Frequently asked questions
Yes, Switzerland has a fully electrified railway network.
In 2022, Luxembourg had an electrification rate of 96.7%. Out of European Union member states, this was the highest.
Electric trains are more efficient than diesel trains, with about 95% of the energy supplied to the wheels, compared to 30-35% for diesel trains. Electric trains are also cheaper to power and maintain, and they produce less air pollution.
The U.S. has not electrified its railroads, but a group of activists and industry experts have proposed a long-term project to do so.
India is rapidly developing its electric train network, and the entire rail network is expected to be fully electrified by 2023.
