Solarposition.org

Rhône-Alpes · France · 45.23° N · 5.68° E

Solar position in Saint-Égrève

Sun position, daylight and the best solar panel angle for Saint-Égrève — computed for 45.23° N, 5.68° E, 219 m above sea level.

Sunrise today08:05106° ESE
Sunset today18:37254° WSW
Best panel angle37°year-round, facing south
Off-grid angle69°best for the darkest month

The sun right now

Azimuth180.0°
Elevation32.9°
At solar noon, 13:21Open on the sun map

Sun in Saint-Égrève today

Saturday, 24 October 2026 · local time UTC+2

EventTimeDirection / height
Astronomical dawn06:26sun 18° below horizon
Nautical dawn07:0012° below
Civil dawn07:346° below
Sunrise08:05106° ESE
Golden hour ends08:46sun 6° up
Solar noon13:2132.9° high
Golden hour starts17:55sun 6° up
Sunset18:37254° WSW
Civil dusk19:076° below
Nautical dusk19:4112° below
Astronomical dusk20:1518° below
Day length10 h 32 min

Sun path diagram for Saint-Égrève

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 solstice6789101112131415161718192021EquinoxDecember solstice910111213141516Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 68.2° at solar noon in Saint-Égrève; on the December solstice only 21.4°. Sunrise swings from 55° NE in June to 123° ESE in December — a 69° 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
January08:0812:4817:289 h 20 min25.0°
February07:2912:5118:1310 h 44 min34.3°
March06:3812:4418:5012 h 12 min45.1°
April06:4213:3620:3013 h 48 min56.7°
May06:0113:3321:0615 h 06 min65.0°
June05:4913:3921:2815 h 39 min68.2°
July06:0913:4321:1715 h 07 min65.2°
August06:4513:4020:3413 h 49 min56.8°
September07:2213:3019:3612 h 14 min45.4°
October08:0113:2118:4210 h 41 min34.0°
November07:4312:2217:029 h 19 min24.8°
December08:1312:3516:578 h 44 min21.4°

A year of daylight in Saint-Égrève

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 Saint-Égrève

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: 1398 kWh per kWp.

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

30%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°115583%0.965.6×
15°130994%1.493.7×
30°138899%1.922.8×
37° year-round best1398100%2.092.5×
45° = latitude138799%2.232.2×
60°130793%2.401.8×
69° off-grid best122388%2.431.6×
70°121287%2.431.6×
90°94167%2.271.4×

A fixed array in Saint-Égrève produces the most over a year at 37°. The design month for an off-grid system is December: at 69° it makes 2.43 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 Saint-Égrève at 70°

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

0123456January: 2.73 (70°)2.7JanFebruary: 3.38 (70°)3.4FebMarch: 3.76 (70°)3.8MarApril: 3.65 (70°)3.6AprMay: 3.35 (70°)3.3MayJune: 3.42 (70°)3.4JunJuly: 3.57 (70°)3.6JulAugust: 3.78 (70°)3.8AugSeptember: 3.90 (70°)3.9SepOctober: 3.30 (70°)3.3OctNovember: 2.61 (70°)2.6NovDecember: 2.43 (70°)2.4Dec37°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 37°Mean temp.
January snow1.463.032.732.37-0.3 °C
February snow2.313.743.383.170.3 °C
March3.574.233.764.044.2 °C
April4.714.183.654.488.3 °C
May5.493.903.354.5912.1 °C
June6.474.073.425.0316.6 °C
July6.554.273.575.1618.8 °C
August5.614.503.784.9118.3 °C
September4.254.563.904.4014.3 °C
October2.703.803.303.3110.2 °C
November1.612.942.612.374.5 °C
December1.222.702.432.090.6 °C
Year3.84 avg3.83 avg1212 kWh1398 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 490 Wp of panels at 70°, versus 570 Wp at 37°. The steep array is 14% smaller for the same winter. Size your own system.

Row spacing in Saint-Égrève

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.

6.4 mrow pitch at 70°

5.3 mrow pitch at 37°

Row spacing calculator

How Saint-Égrève compares in France

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

110thof 657 places in France for sunshine, shared: 3.84 peak sun hours a day on flat ground.

+11%solar energy a year compared with the average place in France: 1,398 against 1,261 kWh per kWp.

−32 mindaylight on the longest day, compared with Paris: 15 h 39 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); Saint-Égrève ranks joint 110th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 2.43 kWh a day here, against 1.86 kWh on average in France. The shortest day lasts 8 h 44 min, +29 min compared with Paris.

The sunniest places in France

Solar forecast for Saint-Égrève, 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 Saint-Égrève

What is the best solar panel angle in Saint-Égrève?
For a fixed array facing south, the best year-round tilt in Saint-Égrève is 37°, worth about 1398 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 Saint-Égrève today?
On 24 October 2026 the sun rises at 08:05 and sets at 18:37 local time (UTC+2), giving 10 h 32 min of daylight. Solar noon is at 13:21.
How many peak sun hours does Saint-Égrève get?
On a flat surface 3.8 hours a day averaged over the year, from 1.2 in December to 6.6 in July. Panels tilted at 70° receive 2.7 sun hours a day in December.
How high does the sun get in Saint-Égrève?
At solar noon the sun stands 68.2° above the horizon on the June solstice and 21.4° on the December solstice.
Is Saint-Égrève a good place for solar panels?
With 3.8 peak sun hours a day on flat ground, Saint-Égrève ranks joint 110th of 657 places in France for sunshine. A 1 kWp array at the best angle (37°) makes about 1,398 kWh a year here, 11% more than the average place in France.

Places near Saint-Égrève

All places in France

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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.