Free illustration materials

• 
  Breaker switch
• 
  Various batteries (disjoint)
• 
  Person who turns off the TV (power saving)
• 
  Coal
• 
  Reactor
• 
  Fire Wizard
• 
  Dirty earth (environmental problems)
• 
  old battery
• 
  Marine plant
• 
  New battery
• 
  Wood chip
• 
  Oil mining
• 
  3P power plug
• 
  Many solar panels lined up
• 
  Dry cell
• 
  Refrigerator overloaded
• 
  Gasoline refueling nozzle
• 
  Power outage
• 
  Radioactive material
• 
  Wireless charging of car
• 
  Image of eco-friendly electricity
• 
  Invoice for water bill
• 
  Methane hydrate
• 
  Coal digger
• 
  Power plug
• 
  Small engine generator
• 
  Water meter
• 
  Dyson sphere
• 
  Fuel cell vehicle
• 
  Male with the switch off (power saving)

• 
  Power outage (before and after)
• 
  Alessandro-Volta caricature
• 
  Thermal power plant
• 
  Male adjusting the temperature of the air conditioner (power saving)
• 
  Person with a heavy plastic tank
• 
  Power saving (unplug)
• 
  Edison caricature
• 
  Oil in drums
• 
  Oil King
• 
  Person who has the switch off (power saving)
• 
  Firewood
• 
  Oil plant