PV Panel Calculator

Calculate what you'll need for your next project

Support type*

Actual width of PV panel (side perpendicular to the ridge) [m]*

Total length of all PV panels (side parallel to the ridge) [m]

Supports on one side of length*

Number of Supports*

a) Plate Length [cm]*

b) Plate Width [cm]*

Tilt of the panel from the horizontal*

The maximum height of the building at the ridge, h = ze [m]*

Wind Area, qb [kN/m2]*

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Land Category

Exposure Factor, ce(ze)

Aerodynamic Coefficient of Pressure

f		g		h		i		j
	OK	cpe, 10	cpe, 1	cpe, 10	cpe, 1	cpe, 10	cpe, 1	cpe, 10	cpe, 1	cpe, 10	cpe, 1
Angle Smaller or Equal to Panel Angle [°]		-	-	-	-	-	-	-	-	-	-
Angle Greater than Panel Angle [°]		-	-	-	-	-	-	-	-	-	-
Panel Angle [°]

Reference value of dynamic pressure, elevation 10 m (fig. 2.1), qb [kN/m2]

Peak value of dynamic pressure at height ze, qp(ze) [kN/m2]

Wind perpendicular to ridge (θ = 0°)

- side perpendicular to the ridge, b [m]

- side parallel to the ridge, [m]

- zoning coefficient, e [m]

Panel Positioned Upwards (/)

Wind Importance Factor (tab. 3.1, p. 60-62), γIw

- F Zone (dimensions top view) [m]

- in direction of wind

- perpendicular to wind

- surface in plan

- exposed area

cpe	cpe, 10	cpe, 1

- G Zone (dimensions top view) [m]

- in direction of wind

- perpendicular to wind

- surface in plan

- exposed area

cpe	cpe, 10	cpe, 1

- H Zone (dimensions top view) [m]

- in direction of wind

- perpendicular to wind

- surface in plan

- exposed area

cpe	cpe, 10	cpe, 1

We, F, G, H Zone [kN/m2]

Total load from F+G+H wind area, W [kN]

Vertical Component on all supports [kN]

Horizontal Component on all supports [kN]

Vertical Load on Support [kN]

Panel Positioned Downwards ()

Wind Importance Factor (tab. 3.1, p. 60-62), γIw

- I Zone (dimensions top view) [m]

- in direction of wind

- perpendicular to wind

- surface in plan

- exposed area

cpe	cpe, 10	cpe, 1

- J Zone (dimensions top view) [m]

- in direction of wind

Descending j perpendicular to wind directio

- surface in plan

- exposed area

cpe	cpe, 10	cpe, 1

We, I, J Zone [kN/m2]

Total load from I+J wind area, W [kN]

Vertical Component on all supports [kN]

Descending vertical component type

Horizontal Component on all supports [kN]

Vertical Load on Support [kN]

Calculation of pressure on 1 support

Total load on one support of 2 panels

Standard Value [kN]

Calculation Value [kN]

Transfer zone length (support) [cm]

Transfer zone width (support) [cm]

Support Area [cm2]

Pressure on Support [N/cm2]

Equivalent Force on a 50 cm2 Support [N]

* Disclaimer: This calculation did not take into account the own weight of the photovoltaic panel system. This calculation only takes into account the loads resulting from the pressure and suction of the wind.
** Disclaimer: The values resulting from the calculation are informative in order to identify the recommended products for terrace type roofs with photovoltaic systems.