The China Energy Storage Alliance (CNESA) has released its Q2 analysis of the energy storage market, finding that the world has reached 10.1 GW of operational battery storage capacity, of which China accounts for 1,831 MW. Our own forecast for global BES (Battery Energy Storage) reaches 14.2 GW by year end, and was due to add 7.2 GW this year, so the Chinese numbers seem about right. China’s grid reached 1,072.7 MW battery energy storage capacity in 2018, of which 70% was lithium-ion and most of the rest lead-acid. Lithium-ion’s share of the market rose to 82% in 2019. A further 636.9 MW battery capacity was installed in China 2019, and by the end of the year the total will…