China's battery boom shifts from quantity to performance

China's battery storage fleet has grown to over 150 GW capacity by Q1 2026, but efficiency remains poor: co-located batteries complete 100 fewer charge-discharge cycles annually than standalone systems, leaving 23 TWh of potential clean electricity unused. Policy changes ending the co-location mandate and opening capacity markets to standalone storage are shifting the market toward grid-operated systems, requiring further electricity market reforms to unlock value. If you sell grid-management software, power electronics, or frequency services to China's grid operators, demand for your technology just jumped: the market is moving from co-located batteries (which sit idle) to standalone systems dispatched by grid operators who need tools to squeeze every cycle out of them. The 23 TWh efficiency gap is the size of a country's power system—that's your addressable market.