Shepherd Barn Solar HPR Change Letter.PDFwww.solmetric.comSimulation results provided by Solmetric PV Designer --
PV Designer Report
12/28/2023
For:
Historic Northampton Barn - 23x REC405
By:
Northeast Solar
136 Elm St
Hatfield, Ma 01038
413-247-6045
Session Design Summary:
Session Design Summary:
Name: Historic Northampton - Barn
Location: 42.30 °N, 72.60 °W
Minimum Temperature: -15.00 °F
Maximum Temperature: 100.00 °F
Weather Properties:
Station Name: Chicopee Falls-Westover AFB
Data Source: TMY3
Location: 42.20 °N, 72.53 °W
Distance From Session Location: 7.79 mi
Design Result Chart:
Monthly Total AC kWh:
Month REC405 - SW Roof
AC (kWh)
REC405 - NW Roof
AC (kWh)
Delta AC kWh Combined AC kWh
Jan 103.9 104.5 0.6 208.4
Feb 154.9 216.2 61.3 371.1
Mar 230.2 539.2 309.0 769.4
Apr 223.3 638.9 415.6 862.1
May 276.9 867.5 590.5 1144.4
Jun 249.3 792.6 543.2 1041.9
Jul 264.2 829.7 565.5 1093.9
Aug 239.6 686.2 446.6 925.8
Sep 227.3 538.5 311.2 765.7
Oct 207.5 373.3 165.8 580.8
Nov 136.1 146.5 10.3 282.6
Dec 55.2 71.7 16.5 126.9
Annual 2368.5 5804.6 3436.2 8173.1
REC405 - NW Roof:
Design Properties:
Module Manufacturer: Custom
Module Model: REC 405 AA Pure BLK
Inverter Manufacturer: Custom
Inverter Model: Enphase IQ8+
(Due to spacing constraints, only the manufacturer and model of the first inverter is include in this report)
Derate Factor: 0.89
Design Result Chart:
Month REC405 -
NW Roof
AC (kWh)
Jan 104.5
Feb 216.2
Mar 539.2
Apr 638.9
May 867.5
Jun 792.6
Jul 829.7
Aug 686.2
Sep 538.5
Oct 373.3
Nov 146.5
Dec 71.7
Annual 5804.6
Layout View:
Length: 38.50 ft
Width: 15.00 ft
Azimuth: 322.00 °
Slope: 17.00 °
Total Modules: 17
Accompanying Images
Request for Approval of a
6.8 kW solar array on the
north-facing roof of the
2023 addition to the
Shepherd Barn.
South elevation. The Shepherd
Barn (1805) is located behind 66
Bridge Street. It was restored in
2023.
View of Shepherd Barn
from Bridge Street
South elevation of the restored Shepherd Barn, as seen from the rear of 66 Bridge Street and looking north.
In the rear are the parking lot for Historic Northampton, a 3-story home on Graves Avenue, and in the distance,
the roof line of the former Union Street Jail. To the right is the roof line of an ancillary dwelling to 74 Bridge Street.
North elevation of Shepherd
Barn, looking south toward
Bridge Street and as seen
from the rear of the building.
The proposed solar array will
be placed on the metal roof
of the 2023 addition to the
Shepherd Barn. The slate roof
was installed in the late 19th
century.
On the right in the distance is
a portion of Shepherd House,
which is located at 66 Bridge
Street and owned by Historic
Northampton. A private
home, located on the
opposite side of Bridge Street
(Route 9), is also visible. To
the left is the back of the
dwelling unit at 74 Bridge
Street.
Location of
proposed solar array
Aerial view of Historic Northampton’s property from Google Earth, which
shows the location of 66 Bridge Street and the Shepherd Barn. The inserted
illustration shows the proposed design of the 6.8 kW solar array.