The grid by control region
Peak electricity demand in each of the grid's control regions, and where the national plan asks for new capacity to 2039.
Baja California, Baja California Sur and Mulegé run as systems isolated from the national grid: a plant there cannot draw on the rest of Mexico’s grid. Peak demand is in megawatts (MWh/h in the source: energy drawn in the busiest hour).
The grid's control regions
Each state in the colour of the CENACE control region that serves most of it; the boundaries follow the grid, not state lines
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Noreste (northeast)Occidental (west)Oriental (east)CentralNoroeste (northwest)Norte (north)Peninsular (Yucatán Peninsula)Baja California (isolated)Baja California Sur (isolated)
Seven regions make up the national grid, and three systems in the Baja California peninsula stand apart. Coahuila is split: La Laguna is served by the Norte region, the rest by the Noreste; Mulegé is the northern part of Baja California Sur.
Every region, ranked by its own peak
Peak demand by control region, 2024, MW: each region's own busiest hour (not coincident), with what it drew at the national peak hour
Each region peaks at its own hour, so the seven national-grid peaks add to 55,243 MW, more than the 52,302 MW the national grid drew at its single busiest hour. The Peninsular grew fastest in 2024 (10.1%).
How much each region's peak grew, 2010 to 2024
Change in peak demand from 2010 to 2024, percent
The Peninsular's peak nearly doubled (from 1,520 to 2,969 MW); the Central's is lower than in 2010. The national grid's rose from 35,310 to 52,302 MW.
Where the plan wants new capacity, 2025 to 2039
Capacity the plan requires to be added by control region, 2025 to 2039, MW, all technologies (batteries included), additions only, replacements left out; Baja California includes Baja California Sur and Mulegé
The plan calls for about 76,000 MW of additions and 1,800 MW of replacements; the Noreste takes about 30%. A requirement in the plan is not a plant built: these are the volumes the state asks for, by year of entry, not projects under way.
What is absent, and why: installed capacity by region. The plan publishes installed capacity only for the whole country, by technology, so no regional capacity, reserve margin or headroom is drawn here. Nor are substation and transmission limits at a given site: a region that is growing, or one with capacity on the way, does not mean a new plant will be connected on time. That is checked site by site with CENACE and the CFE.
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