Factorio Wiki: Solar panel

Cite as: Factorio Wiki: Solar panel
Original: https://wiki.factorio.com/Solar_panel
sha256: fab9646f12b534924b2aa3ecd40e223da420a990e7e67c907b4695bab635573d
Archived: https://web.archive.org/web/20260928210233/https://wiki.factorio.com/Solar_panel
Accessed: 2026-10-26
Licence: CC BY-NC-SA 3.0
Credit: Official Factorio Wiki editors; see the page history.
Notes: Used for a solar panel's output over the day (linear at dawn and dusk, none at night) and its 42 kW average on Nauvis.

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A solar panel gives up to 60 kW. Nauvis's day lasts 7 minutes (25,200 ticks). Wube's comment marks the phases: full output for half of it, a fall over the next fifth (dusk), nothing for a tenth (night), and a rise over a fifth (dawn). The wiki says the fall and rise are linear, which gives an average of 70%, the 42 kW per panel the wiki states.	`MechanicsMechanics`	Code
An accumulator stores 5 MJ and charges or discharges at up to 300 kW. Since a solar panel's night and twilight leave a gap to fill, the wiki's Solar panel page puts the need at about 0.85 (0.84672) accumulators per panel on Nauvis.	`Solar panels and accumulators`	Code