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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:

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
$6.93
Brawa 4820 Z Scale ACC Berlin Char Street Light
Brawa 4820 Z Scale ACC Berlin Char Street Light
$20.29
20pcs Single Head Street Light Lamppost Model Building Dollhouse 1200 Scale
20pcs Single Head Street Light Lamppost Model Building Dollhouse 1200 Scale
$8.75
20pc Modern White Model Double Head Street Lights Lamppost Layout 1200 Scale
20pc Modern White Model Double Head Street Lights Lamppost Layout 1200 Scale
$7.80
10 Single Head Street Lampost Light Model Train Layout Scenery Diorama 1200
10 Single Head Street Lampost Light Model Train Layout Scenery Diorama 1200
$10.62
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
$77.03
20pcs Mini Model Street Light Lamppost Park Z Gauge 1200 Scale Layout Lamp
20pcs Mini Model Street Light Lamppost Park Z Gauge 1200 Scale Layout Lamp
$4.33
Marklin Mini Club Z Scale 8958 Street Light
Marklin Mini Club Z Scale 8958 Street Light
$6.99
Marklin Mini Club Z Scale 8959 Street Light
Marklin Mini Club Z Scale 8959 Street Light
$6.99
50 pcs Z gauge Antique Lampposts 6V street lights R11 3
50 pcs Z gauge Antique Lampposts 6V street lights R11 3
$24.99
20pcs Z Gauge 1200 Scale Model Lamp Lamppost Single Head Light for Street Park
20pcs Z Gauge 1200 Scale Model Lamp Lamppost Single Head Light for Street Park
$5.57
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
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
10pcs N Z SCALE Double Head Lamp Post Street Lights Lampposts 6V 55cm
10pcs N Z SCALE Double Head Lamp Post Street Lights Lampposts 6V 55cm
$8.74
601226 Marklin Z scale Curved Street Lamp Light Height 33 mm 1 5 16
601226 Marklin Z scale Curved Street Lamp Light Height 33 mm 1 5 16
$22.46
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
$16.15
10 x 35cm N Z Scale High Quakity Life Like Metal Led Lamp Post Street Lights 3v
10 x 35cm N Z Scale High Quakity Life Like Metal Led Lamp Post Street Lights 3v
$15.92
601224 Marklin Z scale Historic Street Lamp Light Height 20 mm 13 16
601224 Marklin Z scale Historic Street Lamp Light Height 20 mm 13 16
$42.70
20pcs 6V 1200 White Single Head Street Lights Lamp Lamppost Z scale
20pcs 6V 1200 White Single Head Street Lights Lamp Lamppost Z scale
$3.65
20 LED Light Metal Street Lamppost Model Train Diorama Road Scenery Z 1 200
20 LED Light Metal Street Lamppost Model Train Diorama Road Scenery Z 1 200
$11.09
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
50 Light Green Model Trees 4cm Train Layout Street Scenery War Game Diorama
50 Light Green Model Trees 4cm Train Layout Street Scenery War Game Diorama
$4.07
Y1 3 Z 10pcs SCALE MODEL TRAIN RAILWAY LAYOUT STREET LED LAMP POSTS LIGHT NEW
Y1 3 Z 10pcs SCALE MODEL TRAIN RAILWAY LAYOUT STREET LED LAMP POSTS LIGHT NEW
$6.00
10 x Model Street Lamp Lights Single Head for Model Layout Train Scenery
10 x Model Street Lamp Lights Single Head for Model Layout Train Scenery
$7.49
20P 1 200 Z Model Layout Street Park Light Layout Lamppost Single Head white
20P 1 200 Z Model Layout Street Park Light Layout Lamppost Single Head white
$3.42
20 Modern White Model Single Head Street Lights Lamppost Train Layout Z Scale
20 Modern White Model Single Head Street Lights Lamppost Train Layout Z Scale
$8.25
15 pcs Z gauge Antique Lampposts 6V street lights R11 3
15 pcs Z gauge Antique Lampposts 6V street lights R11 3
$7.84
10 MODEL LED LIGHTS METAL LAMP POST TRAIN GARDEN PARK STREET SCENERY Z Scale
10 MODEL LED LIGHTS METAL LAMP POST TRAIN GARDEN PARK STREET SCENERY Z Scale
$11.85
10x 1 200 Z Model Layout Street Outdoor Light Layout Lamppost Double Head
10x 1 200 Z Model Layout Street Outdoor Light Layout Lamppost Double Head
$2.76
S1 51 Z 1220 10pcs SCALE MODEL TRAIN RAILWAY LAYOUT STREET LED LAMPPOST LIGHT
S1 51 Z 1220 10pcs SCALE MODEL TRAIN RAILWAY LAYOUT STREET LED LAMPPOST LIGHT
$6.00
SL1B Z 1220 10pcs SCALE MODEL TRAIN RAILWAY LAYOUT STREET LED LAMPPOST LIGHT
SL1B Z 1220 10pcs SCALE MODEL TRAIN RAILWAY LAYOUT STREET LED LAMPPOST LIGHT
$11.50
10pcs Street Train Model Trees Scenery Landscape 1 100 Scale Light Green
10pcs Street Train Model Trees Scenery Landscape 1 100 Scale Light Green
$4.94
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
$8.45
10 x Z N scale Model Railroad train Lamp posts Led street light Lamps YD35SW
10 x Z N scale Model Railroad train Lamp posts Led street light Lamps YD35SW
$9.99
10 x Z scale Model Railroad train Lamp posts Led street lights Lamps YD25SW
10 x Z scale Model Railroad train Lamp posts Led street lights Lamps YD25SW
$9.99


Recently Purchased Street Lights:


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z scale 12v new, l005z 10pcs model railway lamppost lamps street lights z scale 12v new, lym23 10pcs model railway train lamp post street lights z scale leds new, 10x 1200 z model layout street outdoor light layout lamppost double head, 10 x 35cm n z scale high quakity life like metal led lamp post street lights 3v, 40 x double head model street lights white plastic 1300 lamppost street lamps, 40 x 1300 scale model street light lamppost park layout singleend lamp, 10 model railway train lamp post street lights scenery layout 3v 1200 24, 20x 1200 z white model railroad light street layout single head lamppost 75cm, viessmann 7190 z scale modern street light lamp new usa dealer $0 ship, noch 4286 phone booth clock street light z gauge, 10pcs street train model trees scenery landscape 1100 scale light green, 10x 10 model led lights metal lamp post train garden park street scenery z scale, 10 singlehead street lampost light model train layout scenery diorama 1200, 20pc modern white model double head street lights lamppost layout 1200 scale, 20pcs single head street light lamppost model building dollhouse 1200 scale, 10 tree model railway park street scenery landscape layout 1100 light green, 10pcs model multi branched trees for street railway scene ho scale light green, pack 10pcs 1100 ho scale model trees for street railway scenery light green, 1200 scale led light lamppost model street park scenery landscape layout z, 50 light green model trees 4cm train layout street scenery war game diorama, lqs15 10 model railway train lamp post street lights z scale leds platform new, lqs14 10 model railway train lamp post street lights z scale leds platform new, 10pcs nz scale double head lamp post street lights lampposts 6v 55cm, 10 model led lights metal lamp post train garden park street scenery z scale, 120modellamppoststreet lightswarm white leds50b12vmodel lamppost, lot 10x z scale model street lights lamppost double heads train layout 1200, 10 model street lamp lights single head train railway scenery 1300 z scale, 10pcs model cars w lights train street parking diorama scenery z scale 1200, 1200 plastic led advertising lamppost lamps street smd lights model pack of 10, multicolour 150 led advertising lamppost lamps street lights model set of 10, 10pcs multicolour scale 1150 led advertising lamppost lamps street lights, 20x 1200 white model railroad light street layout double head lamppost, 20x 1200 z white model railroad light street layout single head lamppost 53cm, 10pcs 1300 scale model trains metal light poles wired led lighted street lamps, 5pcs z scale model trains metal light poles wired led lighted street lamps 1200, model railway street lamps led lights metal model trains 1200 z gauge, 10x z scale model trains metal light poles wired led lighted street lamps 1200, 5pcs 1300 scale model trains metal light poles wired led lighted street lamps, z scale model trains metal light poles wired led lighted street lamps 1200, 1300 scale model trains 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