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Sunpower

Sunpower SPR-318E-WHT-D (318W)

Residential · 318W
74
SCORE /100
30 specs
Score this as…
⭐ General / Balanced📐 Max Efficiency (Tight Roof)🛡️ Durability & Warranty🌡️ Hot-Climate Buyer⚡ High-Output / Commercial-Scale🪶 Easy-Install / Older Roof

Score Breakdown

Efficiency & Real-World Performance 78
Build & Install 76
Certifications 70
Power Output 67
Temperature & Climate Resilience 64
Warranty & Durability 46

DC Electrical Characteristics

STC Power Rating
318W
PTC Power Rating
292.9W
STC Power per unit of area
18.1W/ft (195.0W/m)
Peak Efficiency
0.195
Power Tolerances
-3%/+5%
Number of Cells
96
Imp
5.82A
Vmp
54.7V
Isc
6.2A
Voc
64.7V
NOCT
45°C
Temp. Coefficient of Power
-0.38%/K
Temp. Coefficient of Voltage
-0.177V/K
Series Fuse Rating
15A
Maximum System Voltage
600V

Mechanical Characteristics

Type
Monocrystalline Silicon
Output Terminal Type
Multicontact Connector Type 4
Frame Color
Black
Backsheet Color
data not available
Length
61.4in (1,559mm)
Width
41.2in (1,046mm)
Depth
1.8in (46mm)
Weight
41lb (18.6kg)
Installation Method
Rack-Mounted

Warranty and Certifications

80% Power Output Warranty Period
25yrs
90% Power Output Warranty Period
12yrs
Workmanship Warranty Period
10yrs
UL Fire Classification
data not available
Compliances
UL 1703
CSI Listed
Yes