Västmanland · Sweden · 59.51° N · 15.99° E
Solar position in Köping
Sun position, daylight and the best solar panel angle for Köping — computed for 59.51° N, 15.99° E, 14 m above sea level.
The sun right now
Sun in Köping today
Saturday, 24 October 2026 · local time UTC+2
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:37 | sun 18° below horizon |
| Nautical dawn | 06:25 | 12° below |
| Civil dawn | 07:13 | 6° below |
| Sunrise | 07:56 | 112° ESE |
| Golden hour ends | 08:57 | sun 6° up |
| Solar noon | 12:39 | 18.7° high |
| Golden hour starts | 16:21 | sun 6° up |
| Sunset | 17:23 | 248° WSW |
| Civil dusk | 18:06 | 6° below |
| Nautical dusk | 18:53 | 12° below |
| Astronomical dusk | 19:41 | 18° below |
| Day length | 9 h 27 min | |
Sun path diagram for Köping
Where the sun stands in the sky: the centre is straight overhead, the outer ring is the horizon. Numbers mark local clock hours.
- June solstice
- Equinox
- December solstice
- Today
On the June solstice the sun reaches 53.9° at solar noon in Köping; on the December solstice only 7.2°. Sunrise swings from 36° NE in June to 139° SE in December — a 103° 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.
| Month | Sunrise | Solar noon | Sunset | Day length | Noon elevation |
|---|---|---|---|---|---|
| January | 08:30 | 12:07 | 15:45 | 7 h 15 min | 10.7° |
| February | 07:16 | 12:10 | 17:03 | 9 h 48 min | 20.1° |
| March | 05:55 | 12:03 | 18:12 | 12 h 18 min | 30.8° |
| April | 05:24 | 12:55 | 20:26 | 15 h 03 min | 42.4° |
| May | 04:09 | 12:52 | 21:37 | 17 h 28 min | 50.7° |
| June | 03:37 | 12:57 | 22:18 | 18 h 41 min | 53.9° |
| July | 04:15 | 13:02 | 21:47 | 17 h 32 min | 50.9° |
| August | 05:26 | 12:58 | 20:30 | 15 h 04 min | 42.5° |
| September | 06:37 | 12:48 | 18:59 | 12 h 21 min | 31.1° |
| October | 07:48 | 12:40 | 17:31 | 9 h 43 min | 19.7° |
| November | 08:05 | 11:41 | 15:17 | 7 h 13 min | 10.6° |
| December | 08:53 | 11:54 | 14:54 | 6 h 01 min | 7.2° |
A year of daylight in Köping
Each column is one day of 2026. Bright: sun above the horizon; soft: civil twilight; line: solar noon. Steps are daylight saving time changes.
Best solar panel angle in Köping
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
45°collects the most energy over a year: 1053 kWh per kWp.
84°gives the most in the darkest month — the one an off-grid system is sized for.
- Yearly energy
- Worst-month energy
| Tilt | kWh/kWp per year | Share of best year | December kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 792 | 75% | 0.12 | 38.5× |
| 15° | 933 | 89% | 0.28 | 18.1× |
| 30° | 1022 | 97% | 0.42 | 12.0× |
| 45° year-round best | 1053 | 100% | 0.54 | 8.8× |
| 60° = latitude | 1026 | 97% | 0.63 | 6.8× |
| 70° | 975 | 93% | 0.66 | 5.9× |
| 84° off-grid best | 865 | 82% | 0.68 | 5.0× |
| 90° | 806 | 76% | 0.68 | 4.8× |
A fixed array in Köping produces the most over a year at 45°. The design month for an off-grid system is December: at 84° it makes 0.68 kWh per kWp a day, 27% more than at 45°, and costs 18% of the yearly total. Why steep panels win winter.
Off-grid solar in Köping at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 45° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 45° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 0.30 | 1.00 | 0.89 | 0.74 | -4.6 °C |
| February snow | 0.91 | 2.10 | 1.91 | 1.69 | -3.7 °C |
| March snow | 2.33 | 3.95 | 3.56 | 3.44 | -0.1 °C |
| April | 3.89 | 4.44 | 3.92 | 4.29 | 5.6 °C |
| May | 5.04 | 4.48 | 3.86 | 4.60 | 11.1 °C |
| June | 5.72 | 4.55 | 3.84 | 4.77 | 15.4 °C |
| July | 5.23 | 4.35 | 3.64 | 4.44 | 18.1 °C |
| August | 4.09 | 4.11 | 3.46 | 3.95 | 16.9 °C |
| September | 2.65 | 3.60 | 3.09 | 3.20 | 12.4 °C |
| October | 1.23 | 2.42 | 2.12 | 1.99 | 6.1 °C |
| November | 0.41 | 1.23 | 1.08 | 0.93 | 1.5 °C |
| December snow | 0.19 | 0.76 | 0.66 | 0.54 | -2.7 °C |
| Year | 2.68 avg | 3.09 avg | 975 kWh | 1053 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 1,780 Wp of panels at 70°, versus 2,190 Wp at 45°. The steep array is 19% smaller for the same winter. Size your own system.
Row spacing in Köping
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.
28.3 mrow pitch at 70°
22.2 mrow pitch at 45°
How Köping compares in Sweden
Against the other 98 places in Sweden with climate data, for a fixed array at its best angle.
78thof 99 places in Sweden for sunshine, shared: 2.68 peak sun hours a day on flat ground.
−1%solar energy a year compared with the average place in Sweden: 1,054 against 1,059 kWh per kWp.
+4 mindaylight on the longest day, compared with Stockholm: 18 h 41 min against 18 h 37 min.
45°best year-round tilt here; across Sweden it runs from 41° in Malmö to 50° in Kiruna.
Of the 99 places in Sweden, Kalmar gets the most sun (2.96 peak sun hours a day) and Kiruna the least (2.22); Köping ranks joint 78th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 0.66 kWh a day here, against 0.59 kWh on average in Sweden. The shortest day lasts 6 h 01 min, −3 min compared with Stockholm.
Solar forecast for Köping, next 48 hours
Expected output of 1 kWp at 70°, computed from the ICON-EU weather model of the Deutscher Wetterdienst (DWD), Europe.
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Questions about the sun in Köping
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A free, live card for Köping: 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.
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.