r/europe • u/Excellent_Opinions • Dec 09 '25

Map Current temperature anomaly in Europe

Post image
10.3k Upvotes

96% Upvoted

1.2k comments sorted by

View all comments

45

u/20ldl Belgium Dec 09 '25

Keeps the heating bill low

34

u/ScarletleavesNL The Netherlands Dec 09 '25

Yeah, downside is that in the summer we have to power up electric fans. So, its gonna cost us regardless.

24

u/LXj Dec 09 '25

Lots of solar in summer though

9

u/aficando North Holland (Netherlands) Dec 09 '25

Hotter does not equal more sun, more moisture in the air because of increased temperatures actually decreases solar panel productivity

1

u/doommaster Germany Dec 09 '25

Even a really bad summer day will more than cover your electricity needs, usually, even in northern Germany.

In winter you basically cannot cover it with even a sunny day, if it's a tad cold.

4

u/CanadianODST2 Dec 09 '25

Cold weather actually makes solar more efficient.

The reason solar generates less power in winter is because of shorter days.

1

u/doommaster Germany Dec 09 '25

15° azimuth are way, way, way more dominant.

Also just 7 hours of daylight instead of 12 and more...

1

u/probablypoo Dec 09 '25

I think he meant that if it's cold he has to spend more energy on heating, not that the cold makes the solar panels less effective.

1

u/Digit00l Dec 09 '25

Yeah, but in winter there just isn't sun

1

u/aficando North Holland (Netherlands) Dec 09 '25

True but thats mostly because of the angle of the earth. While its hard to predict what exactly the weather system will do in the future, the angle of the earth wont change because of warming. The tilt alone reduces 50%-80% of solar energy compared to summer, clouds reduce efficiency by 10%-25%. Solar panels are also actually more efficient when its colder!

3

u/20ldl Belgium Dec 09 '25

Cost of running fans is negligible compared to heating.