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01 May 2025

AI's Growing Electricity Demand Sparks Sustainability Concerns

While AI drives electricity demand, it also offers solutions for energy efficiency and savings.

As artificial intelligence (AI) continues to evolve, its impact on global electricity demand is becoming increasingly significant. The International Energy Agency (IEA) has issued a stark warning that the electricity demand generated by data centers is set to double by 2030, reaching a staggering 945 terawatt-hours (TWh)—a figure that surpasses Japan's total electricity consumption. This surge in demand raises pressing questions about the sustainability of energy consumption in the face of growing AI applications.

Despite AI's voracious appetite for electricity, it also holds the potential to help reduce energy usage across various sectors. The IEA's latest report highlights the dual nature of AI's influence on energy systems, suggesting that while AI may increase demand, its algorithms can also enhance energy efficiency.

AI’s role in energy systems is multifaceted. For instance, algorithms can optimize grid operations, predict renewable energy production, and improve energy storage management. This integration is crucial as energy systems become more complex and decentralized. According to the IEA, the deployment of AI solutions can significantly enhance operational efficiency for energy companies.

One of the most compelling aspects of the IEA's findings is the potential for AI to generate substantial cost savings. The agency estimates that by 2035, AI applications in power plant operations and maintenance could yield annual savings of approximately $110 billion. These savings would primarily stem from reduced fuel consumption and lower operational costs. Moreover, AI could facilitate a smoother integration of renewable energy sources into existing grids, potentially unlocking up to 175 gigawatts (GW) of additional transmission capacity.

In various sectors, the potential for energy savings is notable. For example, the light industry, which includes manufacturing sectors like electronics and machinery, could achieve savings of around 8% through AI utilization. In the transportation sector, the savings could reach as high as 20%. This suggests that AI's applications could lead to significant reductions in energy consumption across multiple facets of the economy.

However, the growing demand for electricity from data centers poses a challenge. The IEA predicts that the carbon dioxide emissions from these facilities could rise dramatically, potentially reaching 300 million tonnes by 2035, up from 180 million tonnes currently. In a high-demand scenario, this figure could climb to 500 million tonnes, representing 1.5% of the overall emissions from the energy sector. Yet, the efficiency gains from AI could help mitigate these emissions, presenting a complex picture of AI's role in energy consumption.

Interestingly, many data centers are beginning to improve their energy efficiency. A key metric known as power usage effectiveness (PUE) measures this efficiency by comparing the total energy entering a facility to the energy used for IT operations. A PUE value close to 1 indicates high efficiency. As data centers optimize their operations, the potential for emissions reduction becomes more tangible.

In the Netherlands, for example, a remarkable 88% of data centers affiliated with the Dutch Data Center Association (DDA) are powered by renewable energy. This trend reflects a growing commitment to sustainability within the industry. Similarly, major tech companies are taking steps to secure low-carbon energy sources. Microsoft has signed an agreement to restart operations at the Three Mile Island nuclear plant in Pennsylvania, ensuring a reliable electricity supply. Google has partnered with Kairos Power to develop 500 megawatts of nuclear capacity by 2035, while Amazon has backed the construction of 5 GW of small modular reactor projects in the U.S. by 2039.

Despite these advancements, the IEA notes that only a small fraction of innovative energy startups are adopting AI-first approaches. In fact, just 1% of energy patents currently include AI as a feature, indicating that there is substantial room for growth and exploration in this area. The interplay between AI developments and energy innovations will likely become even more pronounced in the coming years.

As the demand for computing power escalates, it is crucial to manage this demand responsibly. While AI can help optimize resource use, the challenge remains to balance its energy needs with the imperative for sustainability. The IEA's insights serve as a vital reminder that AI's impact on energy consumption is a double-edged sword, with both challenges and opportunities.

In conclusion, the future of AI and energy is intertwined, presenting both risks and rewards. As AI technologies continue to advance, their influence on electricity demand and energy efficiency will shape the landscape of the energy sector for years to come. The key will be to harness AI's potential for optimizing energy use while addressing the environmental implications of its growing energy needs.