In January 2022, Nicholas Chen had to decide whether to invest in one of two solar power systems to reduce the energy cost of the manufacturing company, Jamaica Macaroni Factory Ltd.’s (JMF). He could purchase a 100kW solar power system and generate some of the energy JMF used while also selling back electricity to the grid when the factory was not operating, or he could purchase a 230kW system, which would produce more energy but, due to regulatory restrictions, would not sell electricity back to the grid.

Spreadsheet to accompany product W34512.