A wholesale electrical generation and transmission cooperative serving 480,000 customers across 20 distribution members was on the path to decarbonization. Its next step? Decommissioning one of its coal-fired plants to construct a new, 640 MW combined-cycle natural gas plant. But this billion dollar project was facing a 6-week delay and loss of power to the existing plant, because the power to construction loop was provided by the substation they were working on. After weighing up its options, the cooperative decided an efficiently engineered portable generator was the best solution, so it reached out to Aggreko. The solution had to be powerful enough for large motor starts, provide enough redundancy to avoid a single failure path, and maintain consistent power to the construction site.