The International Hydropower Association (IHA) released a report this week which suggests that the world needs 850+ GW of hydropower in the next 30 years, and that even if we built everything in the global hydro pipeline, we would miss that target, which would come to 500 GW, leaving us short by 350 GW. The report was published this week at the World Hydropower Congress, just as China came out with its own perceived shortfall in pumped hydro which it was planning to get to 40 GW by the end of 2020, and fell some 21% short and it now plans a leap to 62 GW by 2025, before jumping to 120 GW by 2030. Even then the NEA admits…