Project Yankee

*On approved credit. 30 percent based on eligibility; consult your tax advisor. No hard credit pull. **Must be an active SDCP residential customers and must have contract dated 09/30/25 or after to qualify. Entire battery system must be a new system and must be discharging 50% or more of your battery during the required peak times. Batteries must be fully charged by on-site solar. Battery cannot simultaneously be participating in any other active demand response programs. All projects are subject to a sizing tool to determine if there will be enough excess solar to charge the proposed battery system. Must purchase $15,000 or more to qualify. †Tesla Powerwall 3 must be purchased between 11/01/25-03/31/26. Must register for the rebate through the Tesla rebate portal by 03/31/26 to qualify. ‡Savings based on size of roof. Cool Roof upgrade with roof replacement only. μPresent this at the time of your appointment. §Unlimited referrals accepted. Maximum awarded amount per new customer is $550 for referrals that purchase. Referral name must be supplied by referrer, referral amount paid after completion of the installation and payment.

 

For all offers: Cannot be combined with any other offers. New customers only, some restrictions apply. See here for more information on warranties. Semper Solaris is the fastest of installers that installed 10,000+kW in the 12 months prior according to the most recent Ohm Analytics California Monthly Report. Offer Expires 02/28/26