This federal contract opportunity solicitation seeks proposals for the Providencia Island Solar Power Plant Project in Colombia. The project scope includes manufacturing or procuring a battery-based electrical energy storage system to serve as the primary energy source for Providencia Island. Key requirements are for the system to have a 2.5 megawatt-hour capacity to supply the island's peak 1.8 megawatt demand for one hour, provide black start capability, and continuously regulate voltage. Additionally, the system must integrate with the island's existing diesel generator infrastructure and 1.8 megawatt solar power plant through a connected substation. The soliciting agency is the US Agency for International Development Colombia.