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Last edited: 2 October 2024
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Solar Cookers International created the Performance Evaluation Process (PEP) as an objective, scientific process to evaluate solar cooker performance. Solar cooks and purchasing agencies around the world are able to use these performance metrics to select the solar cooker that best fits their needs. Evaluations are arranged by SCI and conducted at Regional Testing and Knowledge Centers (RTKCs) in Lalitpur, Nepal; New York, USA; California, USA; and Nairobi, Kenya.
Manufacturers are encouraged to submit their solar cookers for evaluation, and schedule a PEP test.
Once evaluated, the solar cookers receive the PEP-tested logo shown below, which can be clicked to see comparative test results.
Solar cookers that have been tested[]
- SunFocus Solar Oven: Sun BD Corporation PEP results
- UGLI Hybrid Solar Electric Oven: Sun BD Corporation PEP results
- ULOG: The cookers assembled by Ecomandate are available in two sizes. See the Standard size PEP results and Family size PEP results
- Star Flower: Solar Chef International PEP results
The Star Flower parabolic solar cooker
- Haines 1: Haines Solar Cookers (no longer in production) PEP results
The Haines 1 solar panel cooker
- Haines 2.0: Haines Solar Cookers PEP results
The Haines 2.0 solar panel cooker
- Haines Pop Open Solar Cooker: Haines Solar Cookers PEP results
- CooKit: Open source (tested with oven bag greenhouse) PEP results
The CooKit solar panel cooker
- CooKit: open source (tested with Pyrex bowl greenhouse) PEP results
The CooKit solar panel cooker
- Fornelia Mini: Fornelia Ltd. PEP results
The Fornelia Mini evacuated tube solar cooker
- Glenergy Solar Cooker: Glenergy Inc. PEP results
- GoSun Sizzle: GoSun PEP results
The GoSun Sizzle evacuated tube solar cooker
The SurviveIt2 is a evacuated tube solar style cooker. Photo credit: Justin Tabatchnick
Check back, solar cookers will be added as they are tested.














