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Solar panels are an infinite source of free energy, [[research]] of [[Solar energy]] enables production. During daylight hours every panel provides the maximum power level, 60kW. Generated power will increase/decrease linearly during dusk and dawn, and no power is produced at night. When placed, the Solar Panel takes up 9 spaces, in a 3x3 area.
{{languages}}
{{:Infobox:Solar panel}}


[[File:solar-panel.jpg|thumb|250px]]
'''Solar panels''' are an unlimited source of free energy that produce no pollution. During daylight hours every panel provides the maximum power level, 60kW. Generated power will increase/decrease linearly during dusk and dawn, and no power is produced at night. This means one solar panel produces an average of 42 kW over one day and night cycle.
{| class="wikitable"
 
| '''Recipe:''' || {{icon|copper-plate|5|copper_plate}} + {{icon|steel-bar|5|Steel_bar}} + {{icon|electronic-circuit|15|electronic_circuit}} + {{icon|time icon|0.5|time}} => {{icon|solar-panel|1|electrical network#Solar panel|Solar Panel}}
== Energy management ==
|-
 
| '''Total raw:''' || {{icon|iron-plate|15|iron_plate}} {{icon|copper-plate|27.5|copper_plate}} {{icon|steel-bar|5|Steel_bar}} {{icon|time icon|19.3|time}}
As already stated, solar panels produce energy only during the day, but you are likely to want your factory running at night as well. [[Accumulator]]s can be charged up with solar panels during the day to power the base at night.
|-
 
| '''Max Output:''' || 60kW (Full Daylight)
Accumulators are not the only way to work with solar energy. Sometimes it is more economical to just avoid consuming energy at night. For example, if you power a bunch of [[electric mining drill]]s and [[electric furnace]]s to produce [[Iron plate|iron]] and [[copper plate]]s, you could build more drills and furnaces than you actually need, and store the excess metal production during the day. At night you can shut down the drills and furnaces, and let your factory run with the stored plates. Instead of storing energy, you would be storing what the energy is used for. The easiest way to achieve this is by connecting all your extractors and furnaces to an electric network with exactly enough solar panels to make them work during the day, and keeping this network away from your factory's main electric network.
|-
 
| '''Req. Technology:''' || [[Solar energy]]
== Notes ==
|-
* A single solar panel outputs an average of 42 kW over a day and requires 0.84 accumulators to sustain a constant power output through the night.
|}
* It takes 23.8 solar panels to operate 1 MW of factory '''and''' charge 20 accumulators to sustain that 1 MW through the night.
* The optimal ratio for solar power to charge enough accumulators is 21 accumulators for 25 solar panels (supplying 42kw per solar panel.)
== Achievements ==
{{Achievement|solaris}}
{{Achievement|steam-all-the-way}}
 
== History ==
{{history|0.13.2|
* Changed tech requirement from Adv. Electronics to Electronics.}}
 
{{history|0.12.11|
* Energy of the solar panel is now fractioned between all the networks it's connected to.}}
 
{{history|0.12.0|
* Massive optimisations to solar panel logic.}}
 
{{history|0.11.0|
* Significantly slowed crafting speed to 10 secs from 0.5 sec.}}
 
{{history|0.7.1|
* Made solar panels pre-science pack 3.}}
 
{{history|0.5.0|
* Unplugged icon shown when not connected to any power transfer device.}}
 
{{history|0.3.0|
* New solar panel graphics.}}
 
{{history|0.2.1|
* Priority of power consumption changed to consume from solar panel first.}}
 
{{history|0.1.0|
* Introduced}}


== See also ==
== See also ==
* [[Electric network]]
* [[Electric system]]
* [[Accumulator]]
* [[Power_production#Optimal_ratio|Calculating the optimal ratio of accumulators to solar panels]]
* A [https://forums.factorio.com/viewtopic.php?f=5&t=9314 Solar Power Excel sheet]
* [https://forums.factorio.com/viewtopic.php?f=8&t=8949 (Forum topic) The way I solar]
* [[Game-day]]


[[Category: Items]] [[Category: Electric network]]
{{ProductionNav}}
{{C|Energy}}

Latest revision as of 10:22, 30 November 2022

Solar panel.png
 Solar panel

Solar panel entity.png

Recipe

Time.png
10
+
Copper plate.png
5
+
Electronic circuit.png
15
+
Steel plate.png
5
→
Solar panel.png
1

Total raw

Time.png
28.75
+
Copper plate.png
27.5
+
Iron plate.png
15
+
Steel plate.png
5

Recipe

Time.png
10
+
Copper plate.png
5
+
Electronic circuit.png
15
+
Steel plate.png
5
→
Solar panel.png
1

Total raw

Time.png
47.5
+
Copper plate.png
65
+
Iron plate.png
30
+
Steel plate.png
5

Map color

Health

200

Stack size

50

Dimensions

3×3

Power output

60 kW (full daylight)
42 kW (average)

Mining time

0.1

Prototype type

solar-panel

Internal name

solar-panel

Required technologies

Solar energy (research).png

Produced by

Assembling machine 1.png
Assembling machine 2.png
Assembling machine 3.png
Player.png

Consumed by

Satellite.png
Portable solar panel.png

Solar panels are an unlimited source of free energy that produce no pollution. During daylight hours every panel provides the maximum power level, 60kW. Generated power will increase/decrease linearly during dusk and dawn, and no power is produced at night. This means one solar panel produces an average of 42 kW over one day and night cycle.

Energy management

As already stated, solar panels produce energy only during the day, but you are likely to want your factory running at night as well. Accumulators can be charged up with solar panels during the day to power the base at night.

Accumulators are not the only way to work with solar energy. Sometimes it is more economical to just avoid consuming energy at night. For example, if you power a bunch of electric mining drills and electric furnaces to produce iron and copper plates, you could build more drills and furnaces than you actually need, and store the excess metal production during the day. At night you can shut down the drills and furnaces, and let your factory run with the stored plates. Instead of storing energy, you would be storing what the energy is used for. The easiest way to achieve this is by connecting all your extractors and furnaces to an electric network with exactly enough solar panels to make them work during the day, and keeping this network away from your factory's main electric network.

Notes

  • A single solar panel outputs an average of 42 kW over a day and requires 0.84 accumulators to sustain a constant power output through the night.
  • It takes 23.8 solar panels to operate 1 MW of factory and charge 20 accumulators to sustain that 1 MW through the night.
  • The optimal ratio for solar power to charge enough accumulators is 21 accumulators for 25 solar panels (supplying 42kw per solar panel.)

Achievements

Solaris-achievement.png Solaris

Produce more than 10 GJ per hour using only solar panels.

Steam-all-the-way-achievement.png Steam all the way

Win the game without building any solar panels.

History

  • 0.13.2:
    • Changed tech requirement from Adv. Electronics to Electronics.
  • 0.12.11:
    • Energy of the solar panel is now fractioned between all the networks it's connected to.
  • 0.12.0:
    • Massive optimisations to solar panel logic.
  • 0.11.0:
    • Significantly slowed crafting speed to 10 secs from 0.5 sec.
  • 0.7.1:
    • Made solar panels pre-science pack 3.
  • 0.5.0:
    • Unplugged icon shown when not connected to any power transfer device.
  • 0.3.0:
    • New solar panel graphics.
  • 0.2.1:
    • Priority of power consumption changed to consume from solar panel first.

See also

Production items

Tools

Furnaces

Space related

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