$100 billion and a speed no one understands: First solar train in history underway

Image Autor
Published On: February 8, 2025 at 11:50 AM
Follow Us
California

California’s high-speed rail project has been years in the making, and its journey has been anything but smooth. Initially envisioned as an environmentally friendly, cutting-edge alternative to cars and airplanes, the ambitious rail network has faced delays, ballooning costs, and criticism. But a new twist has emerged in this futuristic transportation project: the system will be fully solar-powered. As the California High-Speed Rail Authority gears up for this ambitious feat, its solar-powered trains will not only offer a sustainable alternative but will also achieve impressive speeds that promise to revolutionize travel in the state.

The rocky road to completion

The California high-speed rail project, initially approved in 2008, was expected to cost $33 billion and be completed by 2020. However, by 2023, the total price tag has soared to $128 billion, and construction remains far from finished. Currently, only 191.5 kilometers of track are under construction, with the rail system set to eventually span 1,287 kilometers.

This delay and cost increase have led to heavy criticism, including from Elon Musk, who dubbed the project “a bullet train that is both one of the most expensive per mile and one of the slowest in the world.” Despite these setbacks, the project continues to push forward. Notably, in a significant leap toward sustainability, the California High-Speed Rail Authority recently announced that the system will now be solar-powered. This decision is aligned with the project’s original promise of reducing the state’s carbon footprint while providing a green alternative to highways and flights.

“We are committed to bringing this system to life and making it as sustainable as possible,” said Brian Kelly, CEO of the California High-Speed Rail Authority.

Incredible speed meets massive power demands

One of the most striking features of this high-speed rail system is its top speed. The trains are expected to reach an astonishing 354 km/h, making them among the fastest and innovative trains in the world. However, achieving such speeds requires an enormous amount of energy. To power the trains, the system will rely on 44 megawatts of electricity, which will be generated by 552 acres of solar panels. Onboard batteries will store up to 62 megawatt hours of energy to ensure that the trains can keep running smoothly, even when solar generation is low or local power supplies fail.

Much of the energy will be used to propel the trains at their high speeds. But the system will also need energy to regulate the vehicle’s internal climate and to cope with the intense Californian heat. As Margaret Cederoth, the authority’s director of planning and sustainability, explained, “A large portion of this energy will be used to propel the train, but much of it will also be needed to manage the intense Californian climate.”

A vision of sustainability and connectivity

The high-speed rail system is set to connect key cities across California, including San Diego, Los Angeles, Fresno, San Jose, and Sacramento. The first phase of the project will focus on the 836.8 kilometers between Merced and Anaheim. The system is expected to be fully operational by 2030, though ongoing funding challenges and construction delays mean that the timeline could change.

In addition to its speed and environmental benefits, the project is also aimed at addressing California’s underdeveloped Central Valley. The region, which houses 4 million residents, has historically been underfunded. Brian Kelly emphasized the importance of including this area in the rail network, saying, “Connecting this area was a key component of the project’s approval.” Beyond just improving connectivity, the project hopes to stimulate economic growth in the Central Valley and provide an essential transport link for the state’s largest cities.

The solar-powered rail network also reflects California’s leadership in renewable energy. With a growing reliance on solar power, the state has positioned itself as a pioneer in the green transportation revolution. As Cederoth noted, “California is a fantastic place to do renewable energy. It’s the best solar installation in the United States.”