| Official Name: | Masagua |
| Settlement Type: | Municipality and town |
| Pushpin Map: | Guatemala |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Guatemala |
| Pushpin Map1: | Escuintla |
| Pushpin Label Caption1: | Location in Escuintla Department |
| Subdivision Type: | Country |
| Subdivision Name: | Guatemala |
| Leader Title: | Mayor |
| Leader Name: | Blanca Alfaro[1] |
| Established Title: | Settled |
| Established Date: | 1825 |
| Area Total Km2: | 456 |
| Population As Of: | 2018 census |
| Population Footnotes: | [2] |
| Population Total: | 45323 |
| Population Density Km2: | auto |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Coordinates: | 14.2°N -90.85°W |
| Blank Name: | Climate |
| Blank Info: | Aw |
Masagua (pronounced as /es/) is a town, with a population of 16,797 (2018 census),[3] and a municipality in the Escuintla department of Guatemala. In 2008 began construction for a massive power generation plant se property of Jaguar Energy in the municipality.[4]
Jaguar Energy is a corporation that owns a large coal-based electric generation plant located in Tierra Colorada, Masagua, next to the San Miguel Las Flores community and twenty five km away from Puerto de San José. The company is a subsidiary of the American corporation Ashmore Energy International Ltd.(AEI). It started operations in Guatemala in early 2008 and it plant has an estimated cost of US$750 million, intended to generate 300 MW. The energy produced will be sold to Energuate, the larger power distributor in Guatemala, a subsidiary of the British inversment firm ACTIS.[4]
Masagua has a tropical savanna climate (Köppen: Aw).
Masagua is situated 15 km from Escuintla. It is one of the municipalities that is enclosed within the Escuintla Department.