- Programa Fuentes Alternas de Energia
- Programme for Biomass Energy Conservation
- Project C.O.P.E.
- Project Cuisiniéres Solaires d'Afrique
- Project Gettysburg-León
- Project Harambee
- Project Have Hope
- Project Surya
- Project evaluations
- Projet LUS (Les Unités Solaires)
- Promethee
- Promoters, Researchers and Innovators in New and Clean Energy
- Promoting solar cooking
- Promoting solar cooking in Afghanistan
- Props
- Provinces of the People's Republic of China
- Proyecto Disco Solar
- Proyectos Solares Inteligentes
- Public Private Alliance Foundation
- Puerto Rico
- Purge cache
- Pyramidic Cooker
- Qingdao Lingding New Energy Co., Ltd
- Rachel Andres
- Radha Energy Cell
- Raising funds through grants and donations
- Raquel Redshirt
- Rasheeda Abdulkareem
- Ravindra Pardeshi
- Ray Grill
- Re-newcy
- Recipes
- Recipes: Beyond Rice
- Recycled Cardboard Parabolic Cooker
- Red Iberoamericana de Cocción Solar de Alimentos
- Red Iberoamericana de Cocinas Solares
- Red Mujeres en Energía Renovable y Eficiencia Energética
- Redsun Solar Industries
- Reflective Open Box
- Reflective material
- Refugee camps
- Regula Ochsner
- Reinhard Erös
- Remote Solar Cooking System
- Renewable Energy Development Center
- Renewable and Appropriate Energy Laboratory
- René Bijloo
- Republic of Congo
- Rescue Mission Gambia
- Research topics
- Reunion
- Reyel and Michaela Daystar
- Rice
- Richard Pocock
- Richard Wareham
- Ripple mirror
- Rita Riewerts
- Robert Chiron
- Robert Metcalf
- Robert Nepper
- Roberto Román
- Robinson Cooker
- Rocket Stove
- Rocks
- Rodrigo Carpio
- Roger Bernard
- Roger Haines
- Rohitas Electronics
- Rolf Behringer
- Rollens
- Rollins Standard Deluxe Cooker
- Romaschka Cooker
- Ron Mutebi
- Rotary Club of Adana-Seyhan
- Rotary Club of Fresno
- Rotary Club of Gulu
- Rotary Club of Los Altos (California)
- Rotary Club of Naperville
- Rotary Club of Tapachula Centenario
- Rotary District 6450
- Rotary International
- Royal Botanic Garden of Jordan
- Ruddy Viscarra
- Rudra Hot Box Community 24/32
- Rudra SK-14
- Rudra SK-23
- Rudra Solar Cooker 2010
- Rudra Solar Energy
- Rwanda
- S.T.E.V.E.N. Foundation
- SAF-WAT
- SCI Digest
- SCI Regional Convention - North America 2015
- SCInet Solar Cooking Convention 2014
- SCInet Solar Cooking Festival 2014
- SCI’s Kenya Program: Sunny Solutions and Beyond
- SELCO Foundation
- SK1.4
- SK12
- SK14
- SLiCK
- SLiCK SM70
- SOCO Burundi
- SODIS
- SOPAC Hand-Made Cooker
- SOS Energie Burkina
- SPADE WAPI
- STAR-TIDES
- SUNFLAIR
- SUNWINGS
- SUNplicity
- SUPO
- Safe Household Water Storage
- Safe Water Package
- Safe Water Project
- Safe Water Systems
- Safe internal meat temperatures
- Sahara Sahel Foods
- Sakali Refugee Camp
- Salads
- Sales for Social Impact - University of Houston
- Salih Hamadto
- Salud del Sol
- Sam Brown
- Samaritan's Purse
- Samoa
- Sandbox
- Sankha Subhra Datta
- Santa Maria Sense Fronteres
- Sanu Kaji Shrestha
- Sara Hjalmarsson
- Saracon
- Sari cloth filtering
- Satellite Dish Cooker (English)
- Satellite Dish Cooker (German)
- Satellite dish
- Sathyavathi Muthu
- Saudi Arabia
- Scheffler2qm
- Scheffler Community Kitchen
- School of Renewable Energy
- Seafood
- Seat Partnership Foundation
- Seattle Solar Cooking
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