[HEADLINE CHALLENGE] Open Energy Life Cycles (15)
Open Energy Organisations? (7)
[CHALLENGE 4c1a1]: A 10KWatt Home Tornado Generator (1)
[CHALLENGE 4c1b]: Community Open Source AC/DC micro-grid design (1)
[CHALLENGE 4c1d1a]: Gosol Community Solar Thermal (1)
[CHALLENGE] 4c1a2: Biodecomposition space heater (1)
CHALLENGE (1. Juli 2017, 10.30-14.30 Uhr): Urban Energy – das neue Urban Gardening. Wie bringen wir die Energiewende in die Städte? (3)
[CHALLENGE] Community Solar (2)
CHALLENGE 4c1c1: Cape Town Rural and Urban Wind Challenge (3)
[Challenge] How to make you feel warm and cozy at home while minimizing your energy consumption? (1)
CHALLENGE 4c1a:The renewable energy designs of physicist Carl Johnson (3)
How To Open Energy? – Challenge (4)
[PROJECT] Reclaim your energy (1)
About the Energy category (2)
CHALLENGE 4c1: Community Renewable Energy (1)
We need your help :) (6)