Kevin Tang has a vision for the next seven years that tells you everything about where the world's energy system is heading. The director of energy storage systems for Europe at CATL—the world's largest battery maker—believes that by 2030, stationary energy storage will account for half of his company's battery sales, up from just 25% today. To put that in perspective, only five years ago, energy storage represented roughly 2% of CATL's total battery business. The shift reflects a fundamental truth reshaping global power grids: solar and wind have become the dominant sources of new electricity generation worldwide, but only batteries can solve their greatest weakness—they only produce power when the sun shines or the wind blows.
CATL's pivot tells the story of how quickly renewable energy is transforming not just where we get electricity, but how we store and use it. The Chinese company, founded just in 2011 as the electric vehicle revolution was beginning, has grown into a global powerhouse. It now operates battery factories in Germany and Hungary, with another under construction in Spain through a joint venture with the automotive manufacturer Stellantis. That geographic expansion matters because Europe and beyond increasingly need massive amounts of battery storage to keep their grids stable as fossil fuels phase out.
What makes CATL's growth trajectory so significant is the company's strategy for controlling its own destiny. The firm mines lithium in southern China, giving it direct oversight of a critical part of the battery supply chain at a moment when demand is about to explode. Even more impressively, CATL operates the world's largest recycling plant for recovering raw materials used in batteries—a capability that will become essential as billions of batteries reach the end of their first life. In a world racing to decarbonize, the ability to recover lithium, cobalt, and other precious metals from spent batteries isn't just economically smart; it's environmentally necessary.
The numbers reveal the scale of what's unfolding. If energy storage is currently 25% of CATL's business and growing toward 50%, that represents a doubling of a market segment that barely existed a decade ago. This growth doesn't happen in a vacuum. It happens because electricity grids everywhere are adding renewable capacity at record speed, and that renewable energy is only valuable if it can be stored and deployed when needed. Every solar farm and wind turbine installed globally creates demand for the batteries that will make that renewable energy reliable and useful.
For people watching the energy transition from the sidelines, CATL's forecast is a concrete signal that the shift toward renewables backed by battery storage isn't some distant future scenario—it's already the dominant trend reshaping how major corporations allocate their resources and capital. A company that barely existed 15 years ago now sits at the center of the world's energy infrastructure, and it's betting heavily that stationary batteries will be where the growth is. That's not corporate wishful thinking. It's a bet backed by the physics of how renewable energy works and the economic reality that every continent is racing to wire itself with wind and solar. The next seven years will show whether Tang's vision holds.