Solar panels are considered a disconnected impervious surface when water running off a panel is discharged to a pervious surface e g.
Are solar panels impervious surface.
The top panel in the e series comes out at a whopping 435 watts.
Attenuation of peak rates of runoff caused by land development 310 cmr 10 05 6 k 2 provision of recharge 310 cmr 10 05 6 k 3 control of total suspended solids tss from impervious surfaces excluding solar panels 310 cmr 10 05 6 k 4 and the provision of adequate erosion and sedimentation controls.
The vegetated area receiving runoff must be equal to or greater in length than the disconnected surface e g width of the row of solar panels.
The solar panel with the highest watt is the sunpower e series a commercial solar panel line.
This method will be used to determine the total water quality volume that must be treated for permitting requirements.
The total solar panel impervious surface for the project z times the panel width times the number of panels.
In addition to these impervious surfaces all solar panels in the array should also be considered effective impervious cover for the purposes of calculating the wqv.
When non rooftop disconnection is used to treat runoff the following factors should be considered.
In order to determine the total impervious surface area for the project the z dimension should be used.
S921 a2289 2010 exempts solar panels from calculations of impervious surface cover typically required by new jersey department of environmental protections njdep stormwater management regulation.
The stormwater standards include.
1 roadways gravel surfaces and transformer pads within the solar array are considered effective impervious cover for the purpose s of calculating water quality volume wqv.
Solar panels usually range in wattage output from around 250 watts to 400 watts but some panels exceed the 400 watt mark.
Turf crop perennial vegetation.
In 2010 new jersey enacted a similar law exempting solar panels from zoning limitations on impervious cover and anecdotally that law has been embraced in a state that is second in the nation in the total number of homes and businesses which have solar panels installed.
The law is not unique to maryland.
Cost alternative for treating runoff in situations like rows of solar panels.
The mpca allows a volume credit for disconnected impervious surfaces.
