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Asset classes
- Transmission Line80,968
- Power Plant32,429
- Substation / Converter7,614
- Oil & Gas Field7,055
- Coal / Uranium Mine5,382
- Pipeline4,951
- Cement Plant3,513
- Data Centre3,283
- Iron & Steel Plant1,293
- LNG Terminal1,198
- Grid Storage965
- Iron Ore Mine949
- Chemical Plant868
- Interconnector704
- Export Terminal519
- Refinery279
- Storage / Tank Farm38
- Oil / Commodity Contract19
- Hydrogen Project18
- Carbon Capture (CCS)16
Chokepoints
El Salvador · electricity network
El Salvador power grid
OverWatts maps 426 km of El Salvador's electricity transmission network across 20 line segments and 0 substations, the 134th most-mapped grid of 153 countries. Its backbone is high voltage (220–379 kV), carrying 426 km — 100% of the mapped length, with the highest tagged voltage at 230 kV. That works out to 20.4 km per 1,000 km² of land — moderate OpenStreetMap coverage, ahead of 57% of mapped countries. It is connected to 2 neighbouring grids by 600 MW of existing cross-border transfer capacity, with a further 600 MW planned.
OpenStreetMap coverage
This grades how completely OpenStreetMap has drawn El Salvador's network — not how much network exists. Large, sparsely-populated countries score low for geographic reasons alone, and every kilometre here is mapped length, so the totals are a floor rather than an operator-reported figure. 0% of segments carry a real line name and 20% an operator tag.
Mapped line length by voltage
- 220–379 kV426 km 100%
20 segments · a segment is credited to the country containing its midpoint, so a border-crossing line counts once, on one side.
Cross-border links from El Salvador
600 MW existing · 600 MW planned · capacities from the Global Transmission Database v0.1 (CC BY 4.0), existing as of 2023
On the interactive map
Load against the network
Where there is room to connect a new load depends on published hosting capacity, which most operators release only as their own map. OverWatts does not yet ingest those feeds, so these are the density measures the open data supports — generation and mapped demand against mapped network — not a headroom figure.
Operators tagged on El Salvador's network
- ETESAL4 100%
Segment counts from OSM `operator` tags, merged across spellings. Present on 20% of segments — this ranks who is recorded, not market share.
How El Salvador compares · mapped grid by country
- 1. People's Republic of China624,300 km
- 132. Rwanda458 km
- 133. Lebanon445 km
- 134. El Salvador426 km
- 135. Guinea-Bissau368 km
- 136. Dominican Republic341 km
Frequently asked
- How big is El Salvador's transmission network?
- OverWatts maps 426 km of transmission line in El Salvador, across 20 segments, plus 0 substations. This is mapped length from OpenStreetMap, not an operator-reported total — where OSM is incomplete the figure is a floor, never a ceiling.
- What voltage is El Salvador's grid?
- Most of the mapped network is high voltage (220–379 kV): 426 km of 426 km. The highest voltage tagged anywhere in the country is 230 kV.
- How complete is the grid map for El Salvador?
- Moderate — 20.4 km of mapped line per 1,000 km² of land, ahead of 57% of the 153 countries with any mapped grid. Coverage grades how completely OpenStreetMap has drawn the network, not how much network exists; large, sparsely-populated countries score low for geographic reasons alone.
- Who operates the grid in El Salvador?
- ETESAL are tagged as operators on mapped segments. Operator tags are present on 20% of El Salvador's segments, so this ranks who is *recorded*, not market share.
- What interconnectors connect El Salvador to its neighbours?
- 600 MW of cross-border transfer capacity to Guatemala, Honduras, plus 600 MW planned. Capacities are from the Global Transmission Database (v1.0, 2023).
Elsewhere in El Salvador
Network geometry: OpenStreetMap (ODbL) © OpenStreetMap contributors, ingested and measured by OverWatts · derived 2026-07-26. Counts every mapped line of 220 kV and above; the map layer draws the ≥380 kV backbone only, so it shows less than is measured here.