Log in
Email
Password
Register
Menu
Explore
Newest photos
Popular photos
Contribute
Submission guidelines
Photographer signup
Photographer login
About
About Freerange
Image license
API
Contact us
Support
Contact support
FAQ
Login
Login
Register
Search all
Photos
Illustrations
Match All
Match Photo ID
Newest
Popular
Select Category
AI Generated
CC0 Images
Editorial and News
Animals & Insects
Architecture
Architectural Details
Arts & Music
Backgrounds & Textures
Cities and Modern Life
Business & Office
Flowers and Plants
France
Food & Drink
Holidays & Occasions
Health and Fitness
Landmarks
Interiors
Illustrations
Industry & Agriculture
Landscapes & Nature
Letters and Numbers
Objects
Other
Military
People
Signs & Symbols
Sky and Clouds
Space
Sports & Recreation
Technology
Wallpapers
Free Stock Images
Sponsored images from iStock
View footage results
Click to save 15% sitewide with code
FREERANGE15
View More
106 free energy efficiency photos from Freerange
Filter results
Popular
Most Viewed
Newest Photos
All licenses
Freerange
CC0
Photos & Illustrations
Photos
Illustrations
Per Page
25
50
100
Wind turbine against clear blue sky
A striking wind turbine stands tall against a clear blue sky with sunburst flaring around the blades
Luminescent Light
Abstract of fluorescent lighting fixture in reflective box.
Dynamic subway motion in an urban tunnel
Commuter train speeds through a geometrically patterned subway station, showcasing urban pace and movement
Light Bulb
Compact fluorescent light bulb
Eco and Lightbulb Refer to Energy Efficiency and Ecology
Eco and Lightbulb Referring to Energy Efficiency and Ecology
Wind turbine against clear blue sky
Low angle view of a modern wind turbine against a clear blue sky with sun flare, symbolizing clean energy
Find even more royalty free stock photos from the world's best photographers
View
of
3
Try your search on iStock: