Nelson Day Electrical & Engineering
10installations on record
$2.51median price per watt
Residential SolarCommercial Solar
Installation Statistics
10
Quotes in Database
9.3 kW
Avg System Size
$36,215
Avg Total Price
Solar Price per Watt
$2.61/W
Average
$2.51/W
Median
Battery Price per kWh
$1087/kWh
Average
$956/kWh
Median
Top ZIP Codes
Recent Installations
LocationSystemPrice$/W · $/kWhDate
Yucca Valley, CA 922849.1 kW13.5 kWh$46,252$3.16/W$1295/kWhJan 2, 2026Twentynine Palms, CA 922779 kW29.1 kWh$65,900$2.49/W$1495/kWhDec 19, 2025Landers, CA 9228510.1 kW13.5 kWh$36,888$2.34/W$978/kWhDec 18, 2025Joshua Tree, CA 922523.1 kW$10,992$3.49/WDec 12, 2025Twentynine Palms, CA 9227710.1 kW13.5 kWh$35,164$2.24/W$934/kWhOct 20, 2025Joshua Tree, CA 922525 kW13.5 kWh$25,091$2.55/W$905/kWhSep 18, 2025Joshua Tree, CA 9225213 kW13.5 kWh$39,647$2.10/W$913/kWhSep 3, 2025Joshua Tree, CA 922527.2 kW10.5 kWh$18,900—Jun 6, 2025Yucca Valley, CA 9228417.6 kW$44,000$2.50/WFeb 21, 2025Yucca Valley, CA 922848.4 kW$22,000$2.62/WFeb 21, 2025