Solarposition.org

Pays de la Loire · France · 47.30° N · 1.55° W

Solar position in La Chapelle-sur-Erdre

Sun position, daylight and the best solar panel angle for La Chapelle-sur-Erdre — computed for 47.30° N, 1.55° W, 28 m above sea level.

Sunrise today08:37107° ESE
Sunset today19:02253° WSW
Best panel angle37°year-round, facing south
Off-grid angle69°best for the darkest month

The sun right now

Azimuth180.0°
Elevation30.9°
At solar noon, 13:50Open on the sun map

Sun in La Chapelle-sur-Erdre today

Saturday, 24 October 2026 · local time UTC+2

EventTimeDirection / height
Astronomical dawn06:54sun 18° below horizon
Nautical dawn07:3012° below
Civil dawn08:066° below
Sunrise08:37107° ESE
Golden hour ends09:20sun 6° up
Solar noon13:5030.9° high
Golden hour starts18:19sun 6° up
Sunset19:02253° WSW
Civil dusk19:336° below
Nautical dusk20:0912° below
Astronomical dusk20:4518° below
Day length10 h 25 min

Sun path diagram for La Chapelle-sur-Erdre

Where the sun stands in the sky: the centre is straight overhead, the outer ring is the horizon. Numbers mark local clock hours.

15°30°45°60°75°N30°60°E120°150°S210°240°W300°330°June solstice789101112131415161718192021EquinoxDecember solstice1011121314151617Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 66.1° at solar noon in La Chapelle-sur-Erdre; on the December solstice only 19.3°. Sunrise swings from 53° NE in June to 125° SE in December — a 72° arc along the horizon.

Sunrise, sunset and sun height by month

Values for the 21st of each month, local clock time including daylight saving time.

MonthSunriseSolar noonSunsetDay lengthNoon elevation
January08:4413:1717:519 h 07 min22.9°
February08:0113:2018:3910 h 38 min32.3°
March07:0713:1319:2012 h 13 min43.1°
April07:0714:0521:0313 h 56 min54.7°
May06:2314:0221:4315 h 20 min63.0°
June06:0914:0822:0615 h 56 min66.1°
July06:3114:1221:5315 h 22 min63.1°
August07:1014:0921:0713 h 57 min54.7°
September07:5113:5920:0612 h 15 min43.3°
October08:3313:5019:0710 h 35 min31.9°
November08:1812:5117:249 h 06 min22.8°
December08:5013:0417:188 h 28 min19.3°

A year of daylight in La Chapelle-sur-Erdre

Each column is one day of 2026. Bright: sun above the horizon; soft: civil twilight; line: solar noon. Steps are daylight saving time changes.

00:0003:0006:0009:0012:0015:0018:0021:0000:00JanFebMarAprMayJunJulAugSepOctNovDec

Best solar panel angle in La Chapelle-sur-Erdre

Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.

37°collects the most energy over a year: 1263 kWh per kWp.

69°gives the most in the darkest month — the one an off-grid system is sized for.

40%50%60%70%80%90%100%0°10°20°30°40°50°60°70°80°90°Best year-round 37°Best worst-month 69°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°105183%0.746.7×
15°118794%1.134.5×
30°125699%1.453.4×
37° year-round best1263100%1.563.1×
45°125399%1.672.7×
47° = latitude124899%1.702.6×
60°118193%1.802.2×
69° off-grid best110688%1.822.1×
70°109687%1.822.1×
90°85468%1.701.8×

A fixed array in La Chapelle-sur-Erdre produces the most over a year at 37°. The design month for an off-grid system is December: at 69° it makes 1.82 kWh per kWp a day, 16% more than at 37°, and costs 12% of the yearly total. Why steep panels win winter.

Off-grid solar in La Chapelle-sur-Erdre at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 37° (year-round best).

0123456January: 1.86 (70°)1.9JanFebruary: 2.77 (70°)2.8FebMarch: 3.34 (70°)3.3MarApril: 3.69 (70°)3.7AprMay: 3.45 (70°)3.5MayJune: 3.37 (70°)3.4JunJuly: 3.40 (70°)3.4JulAugust: 3.54 (70°)3.5AugSeptember: 3.79 (70°)3.8SepOctober: 2.83 (70°)2.8OctNovember: 2.22 (70°)2.2NovDecember: 1.82 (70°)1.8Dec37°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 37°Mean temp.
January1.122.121.861.655.8 °C
February2.023.142.772.655.8 °C
March3.203.823.343.568.1 °C
April4.674.263.694.4410.8 °C
May5.494.063.454.6314.0 °C
June6.034.023.374.7717.5 °C
July5.884.083.404.7219.3 °C
August5.094.233.544.4819.1 °C
September4.064.473.794.2116.6 °C
October2.363.302.832.8213.2 °C
November1.392.562.222.019.3 °C
December0.972.071.821.566.2 °C
Year3.53 avg3.51 avg1096 kWh1263 kWh

Sizing example. To run a 1 kWh-per-day load through December on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 650 Wp of panels at 70°, versus 750 Wp at 37°. The steep array is 14% smaller for the same winter. Size your own system.

Row spacing in La Chapelle-sur-Erdre

Distance between rows of 2 m long panels (slope length) so that no row shades the next between 10:00 and 14:00 solar time on the winter solstice.

7.2 mrow pitch at 70°

5.8 mrow pitch at 37°

Row spacing calculator

How La Chapelle-sur-Erdre compares in France

Against the other 656 places in France with climate data, for a fixed array at its best angle.

232ndof 657 places in France for sunshine, shared: 3.53 peak sun hours a day on flat ground.

±0%solar energy a year compared with the average place in France: 1,263 against 1,261 kWh per kWp.

−14 mindaylight on the longest day, compared with Paris: 15 h 57 min against 16 h 11 min.

37°best year-round tilt here; across France it runs from 33° in Ajaccio to 39° in Lille.

Of the 657 places in France, Marseille 12 and 5 other places get the most sun (4.46 peak sun hours a day) and Maubeuge and one other place the least (3.10); La Chapelle-sur-Erdre ranks joint 232nd. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.82 kWh a day here, against 1.86 kWh on average in France. The shortest day lasts 8 h 28 min, +13 min compared with Paris.

The sunniest places in France

Solar forecast for La Chapelle-sur-Erdre, next 48 hours

Expected output of 1 kWp at 70°, computed from the ICON-EU weather model of the Deutscher Wetterdienst (DWD), Europe.

Loading the latest forecast…

Questions about the sun in La Chapelle-sur-Erdre

What is the best solar panel angle in La Chapelle-sur-Erdre?
For a fixed array facing south, the best year-round tilt in La Chapelle-sur-Erdre is 37°, worth about 1263 kWh per kWp a year. An off-grid system that has to get through December does better at about 69°.
What time is sunrise and sunset in La Chapelle-sur-Erdre today?
On 24 October 2026 the sun rises at 08:37 and sets at 19:02 local time (UTC+2), giving 10 h 25 min of daylight. Solar noon is at 13:50.
How many peak sun hours does La Chapelle-sur-Erdre get?
On a flat surface 3.5 hours a day averaged over the year, from 1.0 in December to 6.0 in June. Panels tilted at 70° receive 2.1 sun hours a day in December.
How high does the sun get in La Chapelle-sur-Erdre?
At solar noon the sun stands 66.1° above the horizon on the June solstice and 19.3° on the December solstice.
Is La Chapelle-sur-Erdre a good place for solar panels?
With 3.5 peak sun hours a day on flat ground, La Chapelle-sur-Erdre ranks joint 232nd of 657 places in France for sunshine. A 1 kWp array at the best angle (37°) makes about 1,263 kWh a year here, as much as the average place in France.

Places near La Chapelle-sur-Erdre

All places in France

Put this on your site

A free, live card for La Chapelle-sur-Erdre: where the sun is right now on today's path, a countdown to sunset or sunrise, the daylight change, the moon phase at night and the best panel angle.

Theme

Paste it into any page, blog or CMS that accepts HTML. Auto follows the visitor's light or dark system setting. Free to use with its link.

Sun positions: NREL Solar Position Algorithm. Climate: NASA POWER monthly climatology (NASA Langley Research Center). Forecast: Deutscher Wetterdienst, ICON-EU (CC BY 4.0), processed. Places: GeoNames (CC BY 4.0). Time zones: IANA. Sources and licences.