Table of Contents
This article provides a timeline of the history of power cables, highlighting key dates and milestones from their inception to modern advancements.
Current State of Electric Power Cables
The demand for electric power cables is ever-increasing. The global power cables market was valued at approximately USD 152.14 billion in 2024 and is projected to grow at a rate of 7%, reaching around USD 244.31 billion by 2031. The high-voltage cable market reached USD 39 billion in 2023 and is projected to reach USD 61 billion by 2032.
Global refined copper consumption was approximately 26.55 million metric tons in 2023, a record high. Roughly 75% of refined copper produced globally is utilized for electrical conductors, including various cables and wires.
The renewable energy sector significantly boosts copper demand, averaging four to six times higher usage in renewable systems than in traditional power generation methods. For example, conventional power generation requires about 1 ton of copper per installed MW. In contrast, renewable technologies may require between 4 to 6 tons per MW due to their larger land areas and more extensive cabling needs.
Early Beginnings (1812 - 1880)
The history of power cables begins in the early 19th century, coinciding with the rise of electrical engineering.
1812: The first use of insulated wires occurred when a Russian named Schilling used rubber-varnish insulated wires to detonate mineral ores.
1837: Samuel Morse invented the telegraph, which led to the development of early telecommunication cables.
1844: The first overhead telegraph lines were installed between Washington, D.C., and Baltimore.
1850: The first subsea telegraph cable was laid between Dover (England) and Calais (France), followed by the first trans-Atlantic telegraph cable.
1879: Thomas Edison developed the incandescent light bulb, necessitating improved electrical distribution methods.
1880: Edison introduced underground “Street Pipes,” utilizing jute-wrapped copper bars insulated with bituminous compounds for his DC electrical distribution system.
The Birth of Modern Power Cables (1881 - 1900)
As electricity became more widespread, the need for reliable power transmission grew.
1882: Edison’s Pearl Street Station in New York City used rubber-insulated cables for its electrical distribution network.
1890: Dr. Ferranti pioneered using high-voltage insulated conductors for the London Electric Supply Corporation. The Ferranti Cable was notable for its multilayer laminated dielectric insulation.
1891: The first successful high-voltage AC transmission line was constructed in Germany, demonstrating the effectiveness of insulated cables over long distances.
1901: M. Gorman claimed that underground power cables could be “waterproof for 100 years,” reflecting early innovations in cable design and insulation.
Advancements in Cable Technology (1901 - 1950)
The early to mid-20th century saw significant advancements in cable technology driven by industrial needs.
1917: Emanuelli of the Pirelli Company perfected fluid-impregnated paper-insulated cables, enhancing cable reliability.
1933: IG Farben discovered A natural rubber alternative in Germany, improving insulation materials.
1942: Polyethylene insulation was first used in cables, marking a pivotal shift towards synthetic materials.
1955: Ethylene propylene rubber (EPR) was developed, offering better thermal stability and electrical properties than previous materials.
The Era of High Voltage and Fiber Optics (1950 - 2000)
With increasing demand for electricity, engineers focused on developing high-voltage cables capable of transmitting electricity over vast distances.
1963: General Electric invented cross-linked polyethylene (XLPE) insulation, revolutionizing cable technology with its superior thermal and electrical properties.
1967: XLPE-insulated cables began to dominate medium-voltage applications in Japan, surpassing fluid-filled cable designs.
1980s: The introduction of fibre optic technology into power cables allowed for simultaneous data transmission alongside electrical power, paving the way for smart grid technologies.
Modern Developments and Future Trends (2000 - Present)
Power cables are at the forefront of technological advancements that are geared toward creating sustainable energy solutions. Modern developments for power cables centre around renewable energy integration, smart grids, and sustainability initiatives.
2000: The first 500-kV long-distance XLPE cable with joints was installed in Tokyo, setting new standards for high-voltage transmission capabilities.
2002 – 2010: Various HVDC projects were implemented worldwide, including Murraylink (Australia) at ±150 kV and NorNed (Norway to the Netherlands) at ±450 kV, enhancing inter-country electricity transmission efficiency.
2022: Prysmian Group successfully developed a 525 kV HVDC extruded submarine cable system, doubling transmission capacity compared to previous technologies.
In 2025, approximately 50 % of the high-voltage cables being produced are for operation at 500 kV and above. The next most prolific voltage level is between 300 – 400 kV, accounting for approximately 30 % of the total volume of production of high-voltage cables.
Conclusion
The history of power cables reflects a continuous journey of innovation driven by technological advancements to meet societal needs.
From their humble beginnings in the 19th century to the sophisticated systems we rely on today, power cables have played a crucial role in shaping modern electrical infrastructure. Ongoing developments promise to further enhance efficiency, sustainability, and functionality.
This timeline highlights the importance of power cables and underscores their role in supporting global energy demands while paving the way for the renewable energy transition.
References
CIGRE. Springer Handbook of Power Systems. Springer.
Orton, H. History of Underground Power Cables. Orton Consulting Engineers International.
Black, R. The History of Electric Wires and Cables. London, UK: Peter Peregrinus Ltd., 1983.
Uematsu, T. “Historical Review of Water Trees in XLPE Cables,” Furukawa Rev., no. 10, pp. 31-48, 1992.
Precopio, F. “The Invention of Chemically Crosslinked Polyethylene,” IEEE Electr. Insul. Mag., vol. 15, no. 1, pp. 23-25, 1999.
Zuidema, C., Kegerise, W., Fleming, R., Walker, M., and Boggs, S. “A Short History of Rubber Cables,” IEEE Electr. Insul. Mag., vol. 27, no. 4, pp. 44-49, 2011.
Taylor, W., Morrison, G., and Welch, D. “Evaluating Medium Voltage Cable Splices and Terminations,” IEEE Industry Applications Society Annual Petroleum and Chemical Industry Conference Proceedings.
Cheenne A., Chatterjee S., “Cold Shrinkable Technology for Medium Voltage Cable Accessory,” IEEE Transmission and Distribution Conference Proceedings.
Haverkamp W.B., Lyons P.G., “Worldwide Long-term Experience with Heat Shrinkable Splice Concepts,” IEEE T&D Conference Proceedings.
Maruichi S., “Development of Factory Expanded Cold-Shrinkable Joint for 500 kV XLPE Cable,” EINA Magazine.
Prysmian Group Press Release on Hornsea 3 Offshore Wind Farm Submarine Cable Project.
Appendix: Historic Photos Related to Power Cables
To obtain historic photos related to the history of power cables, here are some valuable resources and specific collections that feature significant images:
1. Western Power Distribution (WPD) – Underground Cable Photo Album (1890-1940):
This collection showcases photographs of the installation and maintenance of low—to medium-voltage cables in the UK. It includes images of cable gangs, cable laying, jointing, and various historical contexts surrounding the use of underground cables.
– Notable images include:
– The Cable Gang from 1915
– Cable laying operations in Bristol (1898)
– High voltage jointing in Penzance (1912)
– View the photos here.
2. Edison Street Tube Samples:
The ‘Edison Street Tube’ electrical conduit samples are examples of the first underground electric power cables designed by Thomas Edison and installed in Australia. These tubes were used for DC electricity supply and represent early innovations in cable design.
– View the photos here.
3. Ferranti Historical Images:
– Ferranti, a significant player in the development of power cables, has a rich history documented through various images related to their electrical engineering advancements. Notably, they were involved in high-voltage AC power distribution.
– For historical context and images, you can refer to their dedicated pages on platforms like Wikipedia or Graces Guide.
4. Con Edison Bicentennial Photos:
– Con Edison has a collection of historic photos showcasing their work sites, including images of early electrical infrastructure and cable installations in New York City.
– View the photos here.
