Oil power plant in Eastern Cape, South Africa. Approximate location -33.7437, 25.6728.
OilEastern CapeSouth AfricaCCGT · HRSGCO₂ modelled
Dedisa power station is a 335 MW oil power station in Eastern Cape, South Africa. It is operated by Dedisa Peaking Power (RF) Pty Ltd. Based on its capacity (estimated), it can supply roughly 252k homes (estimated). It ranks #50 of 152 South Africa power plants by installed capacity. Commissioned in 2015, it is around 11 years old — relatively modern. Its modelled annual emissions are 148,400 t CO₂/yr (Climate TRACE), equivalent to about 35k cars driven for a year. In context, oil supplies about 0.8% of South Africa's electricity; the national grid averages 699 gCO₂/kWh (17.8% low-carbon) (2025).
Plant data: WRI Global Power Plant Database (CC BY 4.0), id CT-6240.
Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.
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 L100000407109); fuel: Climate TRACE source-record fuel
Technically it is described as CCGT; combined-cycle with a heat-recovery steam generator (HRSG). Oil-fired plants burn heavy fuel oil or diesel, usually as peaking or backup capacity on islands and grids without gas pipelines; high fuel cost keeps their utilisation low.
Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.
This facility's annual emissions are roughly equivalent to:
Equivalencies via US EPA Greenhouse Gas Equivalencies; modelled emissions from Climate TRACE.
Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).
Operated by Dedisa Peaking Power (RF) Pty Ltd.
This oil plant burns oil or diesel to drive turbines or reciprocating engines. It sits in a humid subtropical climate (Köppen Cfa) — Southern Hemisphere, latitude 33.7°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 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.
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 humidity / wetness 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 #3 largest oil power plant of 3 in South Africa by capacity.
South Africa has 3 oil power plants in this dataset, together about 2,413 MW of capacity.
Coordinates -33.7437, 25.6728 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.
Dedisa power station is a 335 MW source-record oil power plant in Eastern Cape, South Africa, commissioned in 2015.
Its output is enough to supply roughly 251,537 homes (estimated).
Dedisa power station is operated by Dedisa Peaking Power (RF) Pty Ltd.
Dedisa power station has modelled emissions of about 148,400 tonnes of CO₂ per year (Climate TRACE).
