Pricing – Adding storage to existing solar

We also offer systems that can be added to existing solar PV systems to provide whole home battery backup. We call these AC coupled systems, as the AC power from the solar PV inverter is AC coupled to the Radian backup system.

For pricing including installation, Call us for an estimate.

Pre-built Kits

These kits include a pre-assembled inverter and battery system (all electronics), delivered on a shipping pallet. See specifications here.

4kw Inverter with 10kwh Battery Storage – Partially assembled Kit

List price $19,000
SGIP battery rebate $3,727
ITC – tax credit $5,700
Final Cost $9,573
Price per watt $2.41

8kw Inverter with 20kwh Battery Storage – Partially assembled Kit

List price $26,500
SGIP battery rebate $7,454
ITC – tax credit $7,950
Final Cost $11,096
Price per watt $1.40

For a limited time, all systems will include a Clipper Creek HCS-60 11.5kw EV Charger at NO cost. Shipping cost not included. Does not include cost for additional subpanels or ATS if needed. Note SGIP rebate is available in California only, and some regions do not qualify. Federal Investment Tax Credit is available in all USA.

Parts NOT supplied but needed for kit installation includes –  1″ EMT Conduit and #6 gauge wire from inverter to main panel (green, white, and 4 black). 50A two pole breakers at main panel. Two conductor #24 shielded stranded cable from rapid shutdown to inverter. Additional ground rods/grounding may be required by city ordinance.

Notes:  All electronics and batteries are warranted by respective mfg for 10 years.  All systems include a separate lockable interior/exterior mount box with rapid shutdown emergency switch, which shuts off inverter. PV inverter MUST be capable of remote shutdown also.

See datasheet here. 
Additional documentation here