Saint Lucia’s energy mix is heavily reliant on imported fossil fuels, with over 97% to 99% of electricity generation derived from diesel, leaving the island vulnerable to high, volatile energy costs. While solar energy contributes a very small percentage (less than 1%) to the current mix, the country has ambitious plans to increase renewable energy to 40%–46% by 2030-2035, with a major focus on developing geothermal power.

Saint Lucia is actively developing green hydrogen to reduce its heavy reliance on imported diesel, aiming for a cleaner, more resilient energy grid. HDF Energy is developing the HYVOLUCIA project, a power plant designed to generate 58 GWh/year using solar and green hydrogen. Other initiatives, such as the MAGHIC project, are also exploring offshore wind-to-hydrogen production.

As of February 2026, there’s no information indicating that Saint Lucia is producing green hydrogen from electrolysis of seawater.