Solar Cooking
Last edited: 6 March 2023      
Solar Roast Coffee Helios3

Solar Roast Coffee using 7 m2 concentrator called Helios 3 can roast 2.5 kg of coffee beans in 22 minutes.

Solar food processing is an innovative and multi-faceted technique capable of addressing various problems faced by people in the developing world. The use of solar energy for food processing and conservation using solar energy can indirectly help to reduce poverty, improve health conditions, create sustainable local economic opportunities, and limit environmental damage by promoting the use of clean and renewable energy sources.

The benefits of solar food processing include:

[Text for this topic was taken from Solar Food Processing - Network and Support - Rolf Behringer]


Solar Foods staff photo, 3-6-23

Solar Foods staff 2023, Photo credit: Solar Foods

Purosole coffee roaster, 11-8-21

Antonio Durbe standing with the Pursole solar array coffee roaster in Rome, Photo credit: Andrew Medichini

  • November 2021: Solar coffee roasting - Two engineers in Rome, Italy, Antonio Durbe and Daniele Tummei, have created an environmentally friendly way to roast coffee beans without electricity or gas. They have spent almost six years building and perfecting their sunlight coffee roaster. The result is a system that needs a piece of land about the size of half a tennis court and sunny weather to roast up to 50 kilograms (110 pounds) of coffee an hour. Read more...

Alaa Hamadto, 12-9-19 copy

Dr. Alaa Hamadto, CEO and cofounder of Solar Foods

  • December 2019: New food processing company in Sudan  - Solar Foods was established in 2017 by Dr. Alaa Hamadto to bring solar-dried foods to the marketplace, using solar dryers from her father's company, Solar Energy Enterprises.

Aavin milk pasteurization, 6-20-16

Aavin solar pasteurization array for milk processing - Photo credit: The Hindu

  • June 2016: Aavin steps up production of with solar milk pasteurization - Aavin is the latest government agency to harness solar thermal energy for its daily operations in India. The hundreds of curved mirrors in two structures generate steam to pasteurize nearly one lakh(100,000) liters of milk a day. Read more...

Tapi Food Products facility, India 5-9-16

Tapi Food Products, Surat, India

  • May 2016: India's first solar food processing facility - It was acknowledged at CONSOLFOOD 2016 that Tapi Food Products began their solar food processing in 2007 with a Scheffler solar parabolic to steam system. They currently employee 250 people and process 1000 kg.(2,200 lbs.)/day of fruit jams and candies.
  • April 2016: Solar processing food waste  - Avery Goho, student and inventor, and Gustavo Lascano, Animal and Veterinary Sciences faculty member at Clemson University, South Carolina, USA, are developing a solar box oven system to dry restaurant and grocery store produce waste, and recycle it locally to farmers for animal feed. More information...
Solar Food Processing Network group photo, 2-14-14

Attendees at the 2013 Solar Food Processing Network conference.

  • January 2013: The Solar Food Processing Network meets to discuss international standards - The Solar Food Processing Network (SFPN) held a regional workshop in January 2013 at the Muni Seva Ashram in Goraj, Vadodara, Gujarat, India. This gathering was a follow-up to the 2009 AFPN conference held in Indore, India in 2010. Workshop participants heard from food marketing and technology experts. Conference organizers, Deepak Gadhia and Rolf Behringer held discussions on local and international marketing, village industries, packaging, policy interventions, R&D, and effective monitoring and evaluation of projects. Attendees discussed the formation of an international solar food standard and shared their own practical experiences using solar technology for food processing. Visit the Solar Food Processing Network to see a muscial video of the event and videos of solar food processing projects in Burkina Faso.

Solar food dryers for purchase, or with construction plans[]

Articles in the media[]


Audio and Video[]

  • November 2021:

Jamie O'Shea & Bjorn Quenemoen- Solar Popped-Bjorn Qorn (will Roasted Qoffee be next?)-2

  • January 2017:
  • February 2016: 
  • June 2012:
  • January 2009:

See also[]

External links[]

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