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--- electrical:solar:pvwatts [2023/06/17 17:33]
frater_secessus [SYSTEM INFO] pwm efficiency clarification
+++ electrical:solar:pvwatts [2025/04/05 22:39] (current)
frater_secessus [PVWatts]
@@ Line 7: / Line 7: @@
   - find out how much panel is required to make a certain amount of Watt-hours (Wh) daily; or
   - find out how much power your existing solar setup can make
+**IMPORTANT:**  if you are depending on solar the system wattage **must be sized for location and least-sunny month** in which you will be camping.  For full-timers in the northern hemisphere this is **wherever you will be in December**.
+**Caveats:**  the estimation method describe below assumes **the panels will have a clear view of sky**.  No shade from trees, buidings, or [[opinion:frater_secessus:beginner_mistakes#mounting_or_deploying_panels_where_they_will_be_shaded|other things mounted on your van]].  No snow build-up on the panels, etc.
 ===== how much panel do I need to make X watt-hours? =====

RVwiki for vanfolk and others who live in vehicles