Why AI Could Finally Win The Current Wars For Thomas Edison

Forbes Business

by Anna Demeo, Contributor

February 26, 2026

AI-Generated Deep Dive Summary

AI's growing demand for power is bringing Thomas Edison back into the spotlight, as modern data centers and electric vehicles are reviving his 180-year-old direct current (DC) electricity system. The traditional alternating current (AC) grid, championed by Edison's rival George Westinghouse, has long been the standard due to its ability to transmit over long distances using transformers. However, with the rise of AI and renewable energy sources like solar panels and batteries—which naturally produce DC—experts argue that Edison’s original DC design might offer a more efficient solution for today’s power needs. The article highlights how the modern grid's reliance on AC creates inefficiencies, particularly in data centers where multiple conversions between AC and DC waste energy, generate excess heat, and consume valuable server space. Hyperscalers like Google and Microsoft are increasingly frustrated with the limitations of the existing grid and are exploring ways to streamline power delivery using DC. This shift could reduce costs and improve efficiency, aligning more closely with Edison’s vision. Edison’s DC system was initially limited by its inability to transmit electricity over long distances, but modern advancements in technology have made DC a viable option for localized power distribution. This is particularly relevant for AI data centers, which require large amounts of direct current to power their servers and battery systems. By bypassing the need for multiple conversions, DC could provide cleaner, more efficient energy solutions. The resurgence of DC also ties back to renewable energy sources like solar panels and batteries, which naturally produce and store electricity in DC form. While the grid still relies on AC for long-distance transmission, integrating DC directly into power systems could reduce waste and lower costs. This potential shift marks a turning point in energy infrastructure, one that

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Originally published on Forbes Business on 2/26/2026