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Solar Design & Installations

Alter Systems, LLC now offers FREE site evaluations for electric solar installations within 80-mile radius from Berkeley, California.

Request a free site evalution now & Go Green For Life™

You can also visit our installation website click here

Specials

Small Solar Panels On Sale

BP 50 Watt Solar Panel $295.00
Sharp 80 Watt Solar Panel $350
Sharp 130 Watt Solar Panel $575.00
ET Solar 85 Watt Solar Panel $275.00

Solar Panels by Pallet On Sale

Large Solar Panels On Sale

Evergreen 190 to 210 Watt Solar Panel $565.00 - $699.00
Sharp 235 Watt Solar Panel $735.00
CEEG 240 to 300 Watt Solar Panel $630.00-$830.00
Canadian Solar 220 to 240 Watt Solar Panel $562.00 - $600.00
REC Solar 215 to 230 Watt Solar Panel $640.00-$710.00
Trina Solar 180 to 230 Watt Solar Panel $450.00 - $595.00
ET Solar 175 to 275 Watt Solar Panels $560.00 - $850.00
Sanyo 190 to 215 Watt Solar Panels $795.00 - $890.00

Complete Grid-tie Solar Systems

Grid-tie Inverters On Sale

Marine and RV Complete Solar Kits

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Fed & State Incentives

Find all available Federal and State Renewable Energy Incentives & Rebates!

Specials

Xantrex XW4548 Inverter and Charger

Retail Price: ~~$3,950.00~~
Our Price: ~~$3,222.24~~
Special Price: $3,055.00

Bestsellers

01.	10/2 Conductor Without Ground
02.	10/2 Conductor With Ground Pump Cable
03.	Sharp 80 Watt Solar Panel
04.	Mitsubishi 110 Watt Solar Panel PV-MF110EC4
05.	Duralite 20 Watt Solar Panel
06.	Kilowatt-hour Meter Socket - Round
07.	Lay-in Lugs for Module Grounding (10/bag)
08.	Morningstar SunGuard 4 Series 4.5Amp Charge Controller 12V
09.	GE KW Hour Meter EZ-read Cyclometer
10.	Sharp 123 Watt Solar Panel

Product Reviews

I've used two of the duralite 20W solar panels on my small ( ..