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India is the hottest country on Earth right now. Amravati 42°C. Bilaspur 42°C. Delhi 40°C. It is April. Here is the number every India bull is missing. McKinsey projects that lost labor hours from heat will put 2.5% to 4.5% of Indian GDP at risk every year by 2030. That works out to $150 to $250 billion in annual losses. The ILO converts the same effect into 34 million full-time job equivalents lost to heat exposure that physically caps how long humans can work outdoors. The IMF projects India passes Japan to become the 3rd largest economy this decade. Those forecasts assume normal labor productivity. They are not pricing in 167 billion labor hours already lost to heat in India in 2021 (Lancet), or heat-related deaths rising 55% over two decades. Now look at the cooling curve. 8% of Indian households own an AC. The U.S. is at 87%. Chinese urban households average more than one AC per home. China was also at 8% in 1995, and added 200 million ACs over the next 15 years. India is starting the same curve right now, with 110 million units already installed and another 130 to 150 million expected by 2035. Here is where the grid math breaks. Indian peak power demand hit 240 GW in 2024. ACs already account for 40 to 50 GW of that load. UC Berkeley projects room ACs alone will add 180 GW of peak demand by 2035. That is the entire installed electricity capacity of Germany. From cooling. The Central Electricity Authority is already modeling a 26 GW peak shortfall by 2028. The grid is roughly 70% coal-fired generation. Every AC switched on pulls harder from a thermal plant that is itself part of the heating loop. So the rate limiter on India becoming the world's 3rd largest economy is the grid. The country needs roughly 240 million more air conditioners to keep its workforce productive through a six-month summer. The grid can supply maybe a third of that load without rolling blackouts that destroy the same productivity the AC was meant to save. The map at 42°C in April is the GDP forecast getting marked down in real time.