EcoEléctrica is a Puerto Rican energy corporation headquartered in Peñuelas, Puerto Rico. Since the 2000s, EcoElectrica has the exclusive right to ship liquefied natural gas to Puerto Rico. Its main shareholder is GasNatural Fenosa. 
It owns and operates a liquefied natural gas regasification terminal with a storage tank of 160,000 cubic meters in Punta Guayanilla, Peñuelas. The power generated by EcoEléctrica is transmitted to the Puerto Rico Electric Power Authority (PREPA) operated power grid. Steam generated by the waste heat from exhaust gasses is used in both a Toshiba-supplied steam turbine and a desalination plant.
- 78 FR 143 pgs. 44943-44944 - EcoEléctrica, L.P.; Notice of Application. 25 July 2013. Retrieved 3 December 2013.
- GasNatural Fenosa: Pide exención contributiva al Gobierno. Omar Alfonso. 18 May 2011. Page 6. La Perla del Sur. Ponce, Puerto Rico. Year 29, Issue 1433. Retrieved 23 January 2012.
- Suenan candidatos para junta del PLA. Jason Rodríguez Grafal. La Perla del Sur. Ponce, Puerto Rico. 30 December 2013. Retrieved 31 December 2013.
- "EcoEléctrica, L.P.; Notice of Intent To Prepare an Environmental Assessment for the Proposed Ecoeléctrica Terminal Modification Project and Request for Comments on Environmental Issues". United States Environmental Protection Agency. 2008-06-11. Retrieved 2008-08-01.