blue
cable
construction
current
danger
distribution
electric
electrical
electricity
energetic
energy
engineering
environment
equipment
evening
generation
generator
high
high voltage
industrial
industry
line
metal
plant
pole
pollution
power
powerful
pylon
silhouette
sky
station
steel
structure
substation
supply
system
tall
technology
tower
transformer
transmission
utility
volt
voltage
watt
wire