Nelson Day Electrical & Engineering
10 installs · $2.61/W avg
SOLAR NOW
35installations on record
$2.95median price per watt
Residential Solar
Installation Statistics
35
Quotes in Database
6.2 kW
Avg System Size
$27,942
Avg Total Price
Solar Price per Watt
$3.34/W
Average
$2.95/W
Median
$2.58 – $4.04
Typical Range (P25–P75)
Battery Price per kWh
$1235/kWh
Average
$1241/kWh
Median
Top ZIP Codes
Recent Installations
LocationSystemPrice$/W · $/kWhDate
Joshua Tree, CA 922524.5 kW10 kWh$13,290$1.52/W$651/kWhMay 14, 2026Twentynine Palms, CA 922773.4 kW$14,439$4.20/WMay 12, 2026Twentynine Palms, CA 922772.1 kW$11,605$5.40/WMay 12, 2026Joshua Tree, CA 9225210.5 kW15 kWh$44,600$2.48/W$1239/kWhMay 6, 2026Joshua Tree, CA 9225211.6 kW15 kWh$68,210$3.55/W$1802/kWhMar 30, 2026Twentynine Palms, CA 9227712 kW20 kWh$64,828$2.95/W$1465/kWhMar 30, 2026Joshua Tree, CA 922522.4 kW$14,000$5.76/WMar 25, 2026Joshua Tree, CA 922523.4 kW$16,728$4.98/WMar 5, 2026Joshua Tree, CA 922527.5 kW15 kWh$25,700$1.77/W$828/kWhFeb 19, 2026Yucca Valley, CA 922847.9 kW20 kWh$43,876$2.57/W$1180/kWhFeb 17, 2026Yucca Valley, CA 922843.8 kW$14,883$3.94/WJan 28, 2026Twentynine Palms, CA 922776.8 kW15 kWh$42,472$3.12/W$1425/kWhDec 18, 2025Joshua Tree, CA 9225211 kW20 kWh$47,000$2.25/W$1105/kWhDec 11, 2025Yucca Valley, CA 9228410.9 kW19.4 kWh$28,686$1.23/W$784/kWhDec 6, 2025Twentynine Palms, CA 922776 kW10 kWh$28,403$2.65/W$1242/kWhNov 8, 2025Yucca Valley, CA 9228410.6 kW15 kWh$49,088$2.71/W$1358/kWhSep 17, 2025Joshua Tree, CA 922522.5 kW$11,592$4.60/WSep 5, 2025Yucca Valley, CA 922848.1 kW10 kWh$28,846$2.20/W$1106/kWhAug 14, 2025Joshua Tree, CA 922529.2 kW15 kWh$13,864—Jul 31, 2025Joshua Tree, CA 922526.3 kW15 kWh$36,885$2.83/W$1270/kWhJul 17, 2025Page 1 of 2