Solar plant: site data
Solar power plant in Topchii, Sumskyi Raion, Sumy Oblast
Topchii: 1,121 kWh per kWp a year, tilt 37° 2° east of south (PVGIS). 1.0% above the oblast median (1,110). #93 of 466 in the rayon, #352 of 1534 in the oblast.
Sumy, the rayon centre, is 52 km away. 127 m above sea level. 33 km away: Zinkiv, the nearest bigger centre, 1,127 — 0.5% less here. Snow and wind from the nearest regional centre in the DBN — Суми, 51 km. 12.56 m between rows, pitch 16.38 m (latitude 50.5°).
- Yield of 1 kWp
- 1,121kWh/year
- Tilt
- 37°2° east of south
- 10 kW
- 11,212kWh/year
- Row pitch
- 16.38m · GCR 0.29
- T_min
- -40 °Cregion I, north-western
- Snow S₀ / wind W₀
- 1,670 / 420Pa
Ground frame designer
A ground frame for a solar plant: Topchii
The designer opens with this place’s coordinates, latitude 50.5° for the row spacing and the DBN loads of the nearest regional centre — Суми, 51 km: snow 1,670 Pa, wind 420 Pa.
- No sign-up
- Snow and wind check
- Drawings and estimate
Yield by month
July: 144 kWh/kWp, December: 22 — 6.5 times less.
December: 22 against 23 in the oblast, 4.3% less.
| kWp | A year | July | December |
|---|---|---|---|
| 5 | 5,606 | 720 | 110 |
| 10 | 11,212 | 1,440 | 220 |
| 15 | 16,818 | 2,160 | 330 |
Example: a 10 kW ground frame
For the loads of Sumy: 11.16 kWp, 18 panels, 359 kg of steel, 12 piles, materials ≈ 53,991 UAH.
How these numbers are computed
Nearby
Free calculators
Sources
- PVGIS © European Union, 2001–2026 — yield, tilt and azimuth, data as of 2026-10-10
- GeoNames (CC BY 4.0) — coordinates, elevation and divisions (changed)
- DBN V.1.2-2:2006, DSTU-N B V.1.1-27:2010
- How these numbers are computed
Preliminary calculation: a design needs an engineer’s check.