Uploaded November 2025 | Updated September 2026, 2 hours ago
From the ashes of World War I, one French engineer’s obsession with light turned into one of the biggest energy empires on Earth. Ernest Mercier’s mission was simple — make France energy independent. What followed was the birth of TotalEnergies, a company that rose from national necessity to global powerhouse. This is the story of how a humble inventor built an oil dynasty, survived wars and crises, and is now leading the charge toward a cleaner, carbon-neutral future. Discover how vision, resilience, and innovation built a $240 billion empire, and what the future holds for Mercier’s successors.
From the ashes of World War I, one French engineer’s obsession with light turned into one of the biggest energy empires on Earth. Ernest Mercier’s mission was simple — make France energy independent. What followed was the birth of TotalEnergies, a company that rose from national necessity to global powerhouse. This is the story of how a humble inventor built an oil dynasty, survived wars and crises, and is now leading the charge toward a cleaner, carbon-neutral future. Discover how vision, resilience, and innovation built a $240 billion empire, and what the future holds for Mercier’s successors.
