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Spain’s MetroCHARGE Powers EVs With Energy Recovered From Barcelona Subway Train Brakes

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30 Dec, 2024

This post was originally published on Eco Watch

In Barcelona, energy from train brakes that could otherwise be wasted is now being harvested to charge electric vehicles.

As part of Spain’s MetroCHARGE project, 16 subway stations in Barcelona use brake energy recuperators to redirect energy from the train brakes to EV charging stations on the streets, The Associated Press reported.

Regenerative braking is not a new concept, especially for trains. But the move to transport the energy from the brakes through cables to electric vehicle chargers is an innovative way to supply power to charging stations.

The Metro Barcelona underground Provença transit station on Feb. 19, 2022. Boarding1Now / iStock Editorial / Getty Images Plus

According to the Transports Metropolitans de Barcelona (TMB), the main transportation operator in Barcelona, the MetroCHARGE project uses a combination of the brake energy recuperators on select trains as well as five solar power plants and a combination of ultra-fast and semi-fast EV chargers to harness clean energy and create a self-sufficient EV charging network.

“We’re trying to take advantage of the power that’s already in the metro system and use that spare energy to feed EV chargers on the street,” said Marc Iglesias, head of sustainable mobility at Àrea Metropolitana de Barcelona, a collaborator on the MetroCHARGE project, as reported by Grist.

An EV charging station on a street in Barcelona. AlvaroRT / iStock / Getty Images Plus

In addition to the brake energy going to EV chargers, it also helps power nearby lights and passenger escalators, Grist reported. In total, the MetroCHARGE program meets all energy needs for 28 of 163 subway stations in Barcelona, The Associated Press reported. The project cost 7.3 million euros ($7.6 million), an amount that the program is estimated to recover in energy savings in about four years. The regenerative braking system is further expected to save around 3,885 metric tons of carbon dioxide per year.

The regenerative braking project not only provides cleaner energy to EV chargers, but it could also lower charging rates for users.

“Since the recharging stations are installed nearby, the energy, instead of being put back into the general electric network, goes directly to the charging stations, and that allows the provider to potentially offer lower prices,” Alvaro Luna, a professor of electrical engineering at the Polytechnical University of Catalonia, told The Associated Press. “We can say that the innovation is one of urban planning, of being able to bring together energy uses within a city.”

About 2.3 million riders use the Barcelona metro system each weekday, The Associated Press reported, and locals and tourists take around 440 million trips on the metro system per year, according to Grist.

While the MetroCHARGE project is a step in the right direction for greener transportation and energy, there is more work to be done. As The Associated Press reported, Spain missed its goal of installing 100,000 EV charging stations by 2021, as it has only around 37,000 now. The country will need to ramp up installations to meet a growing demand for EVs. According to Statista, demand for EVs in Spain is expected to reach an annual growth rate of 14.94% through 2029.

The post Spain’s MetroCHARGE Powers EVs With Energy Recovered From Barcelona Subway Train Brakes appeared first on EcoWatch.

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Embedding environmental stewardship into IT governance frameworks

Embedding environmental stewardship into IT governance frameworks

Integrating environmental stewardship into IT governance frameworks has become essential as businesses increasingly prioritise sustainability. IT operations contribute significantly to carbon emissions, energy consumption and electronic waste (e-waste). Organisations that embed environmental responsibility into their IT governance can reduce their ecological footprint, improve operational efficiency and strengthen their brand reputation.

Erica Smith, chief alliance officer and environmental, social and governance lead, Blue Connections IT, said, “Environmental stewardship supports financial performance, risk mitigation and brand differentiation. With rising energy costs, increased consumer demand for sustainable products and services, and growing pressure from investors and regulators, companies can no longer afford to overlook their environmental responsibilities.

“Poor sustainability practices in IT can lead to high operational costs, supply chain risks and reputational damage. Conversely, a proactive approach improves efficiency, attracts environmentally conscious customers and helps future-proof businesses against evolving policy and regulatory changes.

“Integrating environmental responsibility into IT governance integrates sustainability initiatives into decision-making systematically. Organisations can reduce waste, lower energy consumption and extend the lifecycle of technology assets while positioning themselves as responsible leaders in an increasingly climate-aware market.”

There are four key areas that present opportunities to embed environmental stewardship into IT governance frameworks.

1. Device lifecycle management

A structured approach to managing the lifecycle of IT assets ensures devices are deployed efficiently, maintained properly and retired responsibly at the end of their useful life. Embracing a circular economy model, where equipment is refurbished, reused or ethically recycled, can significantly reduce e-waste and resource use. Companies that adopt this approach lower their environmental impact and unlock financial value by extending the lifecycle of IT assets.

Smith said, “Effective asset recovery strategies further support sustainability efforts. Integrating secure data erasure and refurbishment into IT governance policies lets businesses repurpose functional devices within the organisation or resell them to external buyers. Responsible e-waste recycling also supports companies to process materials ethically in instances where resale is not viable, reducing landfill contributions and preventing environmental contamination. The adoption of industry-certified data sanitisation methods also safeguards compliance with security and privacy regulations.”

2. Sustainable procurement

IT governance frameworks should prioritise the selection of technology vendors and partners committed to sustainable manufacturing, responsible sourcing and energy-efficient product design. This includes favouring IT hardware with a high percentage of post-consumer recycled materials and using minimal packaging. Additionally, employing Device-as-a-Service (DaaS) models optimises IT asset utilisation while reducing upfront investment and unnecessary hardware purchases.

Partnerships with sustainability-driven IT service providers can further enhance an organisation’s environmental impact. Working with partners that offer end-to-end IT asset management solutions, encompassing secure device deployment, certified data sanitisation and ethical recycling, simplifies the process of aligning IT operations with sustainability goals. Companies that prioritise environmental stewardship in their IT governance framework gain a competitive advantage by demonstrating their commitment to responsible business practices.

3. Energy consumption

Data centres, cloud services and enterprise networks require substantial energy resources, making green IT practices essential. IT governance frameworks should include policies to reduce consumption by optimising server efficiency, reducing redundant infrastructure and using renewable energy sources. Cloud providers with strong sustainability credentials can support carbon reduction initiatives, while virtualisation strategies can consolidate workloads and improve overall energy efficiency.

4. Employee engagement

Educating staff on sustainable IT practices, such as energy-efficient device usage and responsible e-waste disposal, creates a culture of accountability. Organisations that implement green workplace initiatives, such as responsible end-of-life disposal programs, reinforce their commitment to sustainability at all levels.

“IT governance must also align with corporate environmental, social and governance commitments. Companies can contribute to broader sustainability objectives by embedding environmental stewardship into IT policies, such as net-zero emissions targets and responsible supply chain management. Clear reporting mechanisms and regular sustainability audits aid transparency, letting businesses track their progress and demonstrate accountability to stakeholders,” Smith said.

Government regulations and evolving industry standards are increasingly shaping the sustainability expectations for organisations. Aligning IT governance frameworks with best practices for environmental stewardship keeps companies ahead of regulatory requirements. Proactive adoption of sustainable IT practices positions businesses as industry leaders in environmental responsibility.

Smith said, “Integrating environmental stewardship into IT governance frameworks is not just about meeting compliance obligations; it’s about futureproofing company operations and prioritising the broader environment. Taking a proactive approach to sustainability lets organisations drive efficiency, reduce long-term costs and contribute to a healthier planet. Businesses that lead in sustainable IT governance will be well-positioned for long-term success as environmental concerns continue to shape consumer and corporate priorities.”

Image credit: iStock.com/Petmal

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