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Street Lights

Recycling light from solar street lights.?

May be a dumb question but here it is.
Let say a street light is powered by a battery, and the battery is charged by a solar panel during the day light hours. At night when the street light is shining, could ambient light from the street light be absorted by the solar panels to charge the batteries? Would this be perpetual energy?

It not really the efficiency of the solar panels that is the problem. In theory they can be made reasonably efficient and so you could get a nicely closed system where the energy circulates endlessly. BUT.....it wouldn't do anything useful for you. For light form street lights to serve some purpose, the light has to hit things. It has to be reflected off the roads and berms and people and footpaths..... and not get collected by efficient solar panels.
You might think that recycling at least a bit of the light produced would be of some value, but you would actually be better off not producing the extra light in the first place..... only produce the light you actually want or need for the street... that would be the sensible conservationist and energy efficient way to go.

Find Street Lights On eBay Below:

Brand New Marklin Mini Club Z Scale 8958 Street Light
Brand New Marklin Mini Club Z Scale 8958 Street Light
$12.00
KIBRI Street Light Tin Plate end 50 ies
KIBRI Street Light Tin Plate end 50 ies
$24.95
40 x 1300 Scale Model Street Light Lamppost Park Layout Single end Lamp
40 x 1300 Scale Model Street Light Lamppost Park Layout Single end Lamp
$2.39
10pcs 3V Z SCALE 1200 Model Train Layout Garden Street LED Light Dual Lamppost
10pcs 3V Z SCALE 1200 Model Train Layout Garden Street LED Light Dual Lamppost
$5.87
10Pcs 2 Head LED Light Metal Lamp Post Train Railway Street Scenery 1200 Scale
10Pcs 2 Head LED Light Metal Lamp Post Train Railway Street Scenery 1200 Scale
$5.39
10 x 2 Head LED Light Metal Lamp Post Train Railway Street Scenery 1200 Z Scale
10 x 2 Head LED Light Metal Lamp Post Train Railway Street Scenery 1200 Z Scale
$9.08
10Pcs Dual Lamppost LED Model Street Light Train Railway Scenery 1200 Scale
10Pcs Dual Lamppost LED Model Street Light Train Railway Scenery 1200 Scale
$9.29
S529 10 Pcs Double Street Lamps with LED 1 3 8in 12 19V Streetlights
S529 10 Pcs Double Street Lamps with LED 1 3 8in 12 19V Streetlights
$32.06
10pcs Model Dual Lamppost Street LED Light Train Railway Layout Scale 1200 3V
10pcs Model Dual Lamppost Street LED Light Train Railway Layout Scale 1200 3V
$9.01
10Pcs 1200 Z Scale Dual LED Light Metal Lamp Post Train Railway Street Scenery
10Pcs 1200 Z Scale Dual LED Light Metal Lamp Post Train Railway Street Scenery
$9.29
10PCs Scale Model 1200 Railway Train Metal Lamppost Street LED Lights 2 Heads
10PCs Scale Model 1200 Railway Train Metal Lamppost Street LED Lights 2 Heads
$8.71
20x 1200 Z White Model Railroad Light Street Layout Single Head lamppost 75CM
20x 1200 Z White Model Railroad Light Street Layout Single Head lamppost 75CM
$4.04
10 x 2 Head LED Light Metal Lamp Post Train Railway Street Scenery 1200 Z Scale
10 x 2 Head LED Light Metal Lamp Post Train Railway Street Scenery 1200 Z Scale
$10.99
Brawa 4826 Street Lights 2 Pack for Z Scale NOS
Brawa 4826 Street Lights 2 Pack for Z Scale NOS
$19.99
10 Model Railway Train Lamp Post Street Lights Scenery Layout 3V 1200 24
10 Model Railway Train Lamp Post Street Lights Scenery Layout 3V 1200 24
$8.74
10 X Model Train Layout Garden Street LED Light Dual Lamppost 3V Z Scale 1200
10 X Model Train Layout Garden Street LED Light Dual Lamppost 3V Z Scale 1200
$6.15
20 Single Head Street Lamppost Light Model Train Layout Scenery Diorama 1200
20 Single Head Street Lamppost Light Model Train Layout Scenery Diorama 1200
$10.48
10 X 2 Heads 1200 LED Light Metal Lamppost Model Train Railway Street Scenery
10 X 2 Heads 1200 LED Light Metal Lamppost Model Train Railway Street Scenery
$5.46
10 Model Street Lamp Lights Single Head Train Railway Scenery 1 300 Z Scale
10 Model Street Lamp Lights Single Head Train Railway Scenery 1 300 Z Scale
$6.56
Lot 10x Z Scale Model Street Lights Lamppost Double Heads Train Layout 1200
Lot 10x Z Scale Model Street Lights Lamppost Double Heads Train Layout 1200
$10.03
20pcs 1200 Z Scale Model Street Light Single Head lamppost 53CM Layout
20pcs 1200 Z Scale Model Street Light Single Head lamppost 53CM Layout
$1.99
10Pcs 2 Head LED Light Metal Lamp Post Train Railway Street Scenery 1200 Scale
10Pcs 2 Head LED Light Metal Lamp Post Train Railway Street Scenery 1200 Scale
$10.99
1220 Z White Single Light Cap Lamppost Street Light 6V RA200 10pcs
1220 Z White Single Light Cap Lamppost Street Light 6V RA200 10pcs
$3.85
1220 Z White Single Light Cap Billboard Lamppost Street Light 6V RC200 10pcs
1220 Z White Single Light Cap Billboard Lamppost Street Light 6V RC200 10pcs
$4.06
10Pcs Scale 1200 Two Head Lamppost LED Model Street Light Railway Scenery
10Pcs Scale 1200 Two Head Lamppost LED Model Street Light Railway Scenery
$10.22
10Pcs Dual Head LED Street Light Lamp Post Train Railway Scenery Scale 1200
10Pcs Dual Head LED Street Light Lamp Post Train Railway Scenery Scale 1200
$10.22
20pcs 1200 Z Scale Model Single Head Street Light 53CM for Lamppost Layout
20pcs 1200 Z Scale Model Single Head Street Light 53CM for Lamppost Layout
$2.99
10pcs Model Cars w Lights Train Street Parking Diorama Scenery Z Scale 1200
10pcs Model Cars w Lights Train Street Parking Diorama Scenery Z Scale 1200
$6.57
Y9 10 Z 1220 10pcs SCALE MODEL TRAIN RAILWAY LAYOUT STREET LED LAMP POST LIGHT
Y9 10 Z 1220 10pcs SCALE MODEL TRAIN RAILWAY LAYOUT STREET LED LAMP POST LIGHT
$7.50
Y17 11 Z 1220 10pcs SCALE MODEL TRAIN RAILWAY LAYOUT STREET LAMPPOST LIGHT
Y17 11 Z 1220 10pcs SCALE MODEL TRAIN RAILWAY LAYOUT STREET LAMPPOST LIGHT
$9.50
10 Single Head Street Lampost Light Model Train Layout Scenery Diorama 1200
10 Single Head Street Lampost Light Model Train Layout Scenery Diorama 1200
$10.55
10x 10 MODEL LED LIGHTS METAL LAMP POST TRAIN GARDEN PARK STREET SCENERY Z Scale
10x 10 MODEL LED LIGHTS METAL LAMP POST TRAIN GARDEN PARK STREET SCENERY Z Scale
$52.74
50 pcs Z gauge Antique Lampposts 6V street lights R11 3
50 pcs Z gauge Antique Lampposts 6V street lights R11 3
$24.99
Marklin 601226 Curved Street Light Z Scale
Marklin 601226 Curved Street Light Z Scale
$20.99
LYM23 10pcs Model Railway Train Lamp Post Street Lights Z Scale LEDs NEW
LYM23 10pcs Model Railway Train Lamp Post Street Lights Z Scale LEDs NEW
$12.99
L316Z 10pcs Model Railway Lamppost lamps Street Lights Z Scale 12V NEW
L316Z 10pcs Model Railway Lamppost lamps Street Lights Z Scale 12V NEW
$14.99
L006Z 10pcs Model Railway Lamppost lamps Street Lights Z Scale 12V NEW
L006Z 10pcs Model Railway Lamppost lamps Street Lights Z Scale 12V NEW
$14.99
L005Z 10pcs Model Railway Lamppost lamps Street Lights Z Scale 12V NEW
L005Z 10pcs Model Railway Lamppost lamps Street Lights Z Scale 12V NEW
$12.99
Z Mrklin 1220 mini club lamps building street lights streetlamp gauge scale
Z Mrklin 1220 mini club lamps building street lights streetlamp gauge scale
$9.89
10 pcs Mini Street Lights for Z Gauge Model Trains Led Light Bulbs Model Trains
10 pcs Mini Street Lights for Z Gauge Model Trains Led Light Bulbs Model Trains
$7.85


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