Gas power plant in Lima, Peru. Approximate location -12.497, -76.7292.
GasLimaPeruCCGT · HRSGSiemens Energy: SST-700 HP, Siemens Energy: SGT6-PAC 5 000F
Chilca 1 is a 975 MW gas power station in Lima, Peru. It is operated by Energía del Sur S.A.. Based on reported annual generation of 5,838 GWh, it can supply roughly 1.7 million homes. It ranks #1 of 40 Peru power plants by installed capacity. Commissioned in 2012, it is around 14 years old — relatively modern. In context, gas supplies about 36.1% of Peru's electricity; the national grid averages 238 gCO₂/kWh (63.6% low-carbon) (2025).
Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1022053.
Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.
The public capacity above is the current source-record value. A 2026 tracker candidate lists 975 MW for Chilca power station, but it is not used as the public primary value until scope is verified (unit vs operating vs installed/project total).
Capacity claim grade: C_REVIEW_MANUAL - recommended action: manual_review_only - confidence: unknown. This follows a claim-based data model: value + scope + source + confidence, rather than silently overwriting records.
The capacity and/or fuel fields on this page include a source-backed provenance label from GEM, an official registry, Wikidata, OSM, or a cross-source match.
capacity: GEM tracker 2026 (location L100000406603); fuel: WRI source-record fuel
At 975 MW, Chilca 1 is well above the median gas plant in Peru (361 MW). Technically it is described as CCGT; combined-cycle with a heat-recovery steam generator (HRSG); Siemens Energy: SST-700 HP, Siemens Energy: SGT6-PAC 5 000F. Gas plants burn natural gas either in open-cycle turbines for fast peaking, or in combined-cycle units that recover exhaust heat in an HRSG to reach roughly 55–62% efficiency — the cleanest-burning fossil option.
Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.
Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).
Operated by Energía del Sur S.A..
This gas plant burns natural gas in a turbine — often in a combined-cycle setup — to generate electricity. It sits in a cold desert climate (Köppen BWk) — Southern Hemisphere, latitude 12.5°S — which shapes how much energy it can produce and how its output varies through the year.
Monthly mean temperature
Heating degree-days here run 89% 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: 18/100 — this site sits in the bottom third of the power plants we cover by heating degree-days.
A gas turbine here also runs ~3% below its ISO (15°C) rating at this annual mean (typical CCGT curve, estimate).
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.
For a plant’s outdoor hardware — heat-recovery steam generators (HRSG), expansion joints, valves, flanges and their insulation — the local climate sets how fast unprotected steel and coatings degrade. This site sits in a corrosive environment (estimated ISO 9223 class C4 — High), with dust abrasion the leading environmental stress.
Higher environmental severity is exactly where protective removable insulation pays back most: a sheltered micro-climate slows corrosion, UV and thermal-cycling damage and extends outdoor hardware service life. This is an indicative site-climate context — not a condition assessment of any specific plant or operator.
Indicative estimate via the ISO 9223:2012 informative method (atmospheric corrosivity from temperature, time-of-wetness and airborne salinity), using WorldClim climate normals, the Köppen-Geiger class and coast distance. Indicative, not a measured corrosion rate.
The #1 largest gas power plant of 16 in Peru by capacity.
Peru has 16 gas power plants in this dataset, together about 6,118 MW of capacity.
Coordinates -12.497, -76.7292 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.
Chilca 1 is a 975 MW source-record gas power plant in Lima, Peru, commissioned in 2012.
Chilca 1 generates about 5,838 GWh of electricity per year.
Its output is enough to supply roughly 1,668,000 homes.
Chilca 1 is operated by Energía del Sur S.A..
