Necaxa

Hydro power plant in Puebla, Mexico. Approximate location 20.2171, -97.9872.

HydroPueblaMexico

Necaxa is a 109 MW hydro power station in Puebla, Mexico. It is operated by CFE. Based on its capacity (estimated), it can supply roughly 109,124 homes (estimated). It ranks #145 of 335 Mexico power plants by installed capacity. As a non-combustion source, it has no direct CO₂ emissions from generation. In context, hydro supplies about 8.1% of Mexico's electricity; the national grid averages 474 gCO₂/kWh (25.9% low-carbon) (2025).

109MW installed capacity
109,124homes powered (est.)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id MEX0001873.

Capacity vs largest hydro plants in Mexico

Manuel Moreno Torres (Chicoasén): 2,400 MW2kManuel Mor…Infiernillo: 1,200 MW1kInfiernilloMalpaso: 1,080 MW1kMalpasoAguamilpa Solidaridad: 960 MW960Aguamilpa …Belisario Domínguez (Angostura): 900 MW900Belisario …Alfredo Elías Ayub (La Yesca): 750 MW750Alfredo El…Leonardo Rodríguez Alcaine (El Cajón): 750 MW750Leonardo R…Carlos Ramírez Ulloa (El Caracol): 600 MW600Carlos Ram…

Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).

Owner

Operated by CFE. All plants by this company →

Local climate & thermal context

This hydro plant converts the energy of falling or flowing water through hydro turbines. It sits in a humid subtropical climate (Köppen Cfa) — Northern Hemisphere, latitude 20.2°N — which shapes how much energy it can produce and how its output varies through the year.

17.5°Cannual mean temp
422heating degree-days (base 18°C)
254cooling degree-days (base 18°C)
1,455 melevation

Monthly mean temperature

J: 14 °CJF: 15 °CFM: 17 °CMA: 19 °CAM: 20 °CMJ: 20 °CJJ: 19 °CJA: 19 °CAS: 19 °CSO: 18 °CON: 16 °CND: 15 °CD20 °C

Heating degree-days here run 83% below the median power plant in this dataset — a proxy for how much extra energy heated equipment must replace through its surfaces in winter.

Climate heat-demand index: 20/100 — this site sits in the bottom third of the power plants we cover by heating degree-days.

In colder climates, uninsulated hot equipment (boilers, turbines, valves, steam lines) loses proportionally more heat to ambient air — exactly the loss Inzonex modular insulation is designed to cut.

Climate normals: WorldClim 2.1 (1970–2000 monthly normals, 10 arc-min, CC BY 4.0); zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid). Degree-days & heat-demand index computed by PowerAtlas — a modelled heat-demand proxy, not a measured site figure.

How it compares & nearby plants

The #17 largest hydro power plant of 73 in Mexico by capacity.

Mexico has 73 hydro power plants in this dataset, together about 12,443 MW of capacity.

Nearby power plants

Location

Coordinates 20.2171, -97.9872 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

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