The Energy Unit in St. Kitts and Nevis promotes renewable energy initiatives, reduces dependence on fossil fuels, and implements a national energy policy emphasizing geothermal, solar, and wind power to increase efficiency and decrease environmental impact.

The Public Works Department in St. Kitts and Nevis is a vital governmental institution tasked with the maintenance and advancement of public infrastructure. This includes the upkeep of roads, bridges, and government buildings.

The St. Kitts Water Services Department is responsible for managing and providing the island's water supply. It oversees the maintenance and development of water infrastructure, including treatment plants, pipelines, and distribution systems.