Solar Pathfinder

QuestionWhat locations on campus would be the best candidates for solar PV array installations?

HypothesisWe hypothesized that the C.r.c and the Rec Pavilion would offer us the most efficient sights for new photovoltaic systems.

Report Name SEM 2 A-E BRIDGE

Report Date 6/2/2014 3:25

Declination 0d 34m

Site Location

Latitude 47

Longitude 0

Weather Station Montpelier AP VT USA

Weather Station Elevation (meters) 343

Site Distance (Feet)\t3,388

Array Type Fixed Angle

Tilt Angle 32.00 deg

Ideal Tilt Angle 32.00 deg

Electrical Cost 0.07 ($/kWh)

Azimuth 163.20 deg

Ideal Azimuth 180.00 deg

Panel Make SolarWorld

Panel Model SW275 Mono

Panel Count 16

DC Rate (per panel) 275.00 W

Inverter Make SMA America

Inverter Model SB4000TL-US-22 (208V)

Inverter Count 1

Derate Method System Setting

Derate Factor 0.8

Layout Configuration Single Picture

Layout Point Count 1

Month Unshaded % of Ideal Site Azimuth=180 Tilt=47.0

Actual Shaded Solar Radiation Azimuth=163.2 Tilt=32.0 kWh/m²

Actual Site Efficiency % Azimuth=163.2 Tilt=32.00 Actual Shaded AC Energy (kWh) Azimuth=163.20 Tilt=32.00

Actual Unshaded AC Energy (kWh) Azimuth=163.2 Tilt=32.00

Ideal Unshaded AC Energy (kWh) Azimuth=180.0 Tilt=32.00

PV Solar Cost Savings 0.07 ($/kWh)

January 48.14% 1.41 45.27% 156.84 334 342 $10.98

February 83.43% 2.87 81.34% 305.94 360 367 $21.42

March 92.42% 3.26 90.33% 358.74 386 391 $25.11

April 95.24% 3.84 94.43% 392.63 410 411 $27.48

May 96.14% 4.56 95.17% 475.96 491 490 $33.32

June 96.38% 4.33 95.35% 421.09 434 436 $29.48

July 96.58% 5.11 95.60% 513.64 527 533 $35.95

August 97.74% 5.81 95.78% 575.21 585 596 $40.27

September 90.45% 3.9 88.30% 372.08 417 420 $26.05

October 79.91% 2.27 77.84% 227.46 283 288 $15.92

November 60.63% 1.32 58.62% 135.12 222 228 $9.46

December 38.94% 0.7 36.66% 75.43 199 207 $5.28

Totals 81.33% 39.37 84.59% 4,010.12 4,648.00 4,709.00 $280.71

-- Unweighted Effect: 84.59% Unweighted -- -- -- --

-- Yearly Avg Sun Hrs: 3.28 Yearly Avg -- -- -- --

Actual Site Efficiency % Azimuth=163.2 Tilt=32.00 Actual Shaded AC Energy (kWh) Azimuth=163.20 Tilt=32.00

REC PAVILION Totals (yr) 0.9 4178.3

Lab Buildings Totals (yr) 0.5 2155.6

Sem 2 A Building Totals (yr) 1.0 6245.2

SEM 2 ENTRANCE Totals (yr) 0.6 2723.8

CAB PATIO Totals (yr) 0.9 4293.0

CAB/ CRC BRIDGE Totals (yr) 0.7 3361.4

BACK LIBRARY Totals (yr) 0.9 4362.3

SEM 2 A-E BRIDGE Totals (yr) 0.8 4010.1

GYM Totals (yr) 0.6 2952.8

LIBRARY ROOF Totals (yr) 1.0 4562.7

TOTAL STANDARD DEVIATION 0.2 1155.1

REC PAVILIO

N

Lab Build

ings

Sem 2 A Build

ing

SEM 2 EN

TRANCE

CAB PATIO

CAB/ CRC BRIDGE

BACK LIBRARY

SEM 2 A-E

BRIDGEGYM

LIBRARY R

OOF0.0

1000.0

2000.0

3000.0

4000.0

5000.0

6000.0

7000.0

ACTUAL SHADED AC ENERGY VS. LOCATION DIAGRAM

T.E.S.C Location

Actu

al S

hade

d AC

Ene

rgy

(kW

h) A

zimut

h=16

3.20

Tilt

=32.

00