Microsoft has reached a significant sustainability milestone, successfully matching 100% of its annual global electricity consumption with renewable energy, a target first set in 2020 as part of its wider commitment to become carbon negative by 2030. Achieved through large scale, long term Power Purchase Agreements across 26 countries, the company has contracted 40 gigawatts of new renewable capacity, helping bring substantial additional clean energy onto global grids. More than a symbolic achievement, this milestone reflects a strategic shift toward infrastructure backed decarbonisation, reduced reliance on short term certificate markets, and a forward looking transition toward 24, 7 carbon free energy sourcing. As electricity demand continues to rise, driven in part by rapid AI expansion, Microsoft’s approach signals how major organisations can pair digital growth with credible, system level energy transformation.