Home energy systems for the modern California grid.
Big battery.
Great investment.
High impact.
Big battery
Everything changed with California’s recent policy shift away from “net metering”. We no longer get paid the same for energy we export (to the grid) as we pay for energy we consume. We now get paid far less on average, but far more during certain periods of high grid stress. The key is to store solar energy and export it rapidly when the grid needs it the most. Enter the home battery.
All solar companies have begun to include battery systems in their proposals to California homeowners, but we believe the batteries they propose aren’t big enough. Our residential system has 2-3x the energy storage capacity you’ll see from other installers, and we offer it at roughly half the price.
$1,100/kWh
10 kWh
$900/kWh
13 kWh
$300/kWh
29 kWh
Great investment
A much larger battery system will yield higher bill savings and can be harnessed to generate additional revenue by providing ‘grid services’.
We have optimized hardware costs, streamlined business model to cut “soft costs”, and built the right software to capture as much value as possible from these large battery systems. In doing this, we are able to offer unmatched financial returns on a home energy investment.
Initial investment
$17,500
$30,000
Annual savings
+ revenues (typical)
$2,500
$3,500
Payback period
5 years
12 years
7%
Annual return
20%
High impact
The California electric grid can’t expand fast enough to allow electrification to proceed at the rate needed to meet climate goals. We have to make far better use of the grid we have, enabling it to move double or triple the energy it does today. This will require many thousands of grid-connected batteries capable of discharging on command, at high power, for multiple hours (2 hours +). It is this fundamental goal which primarily drove our design.
Our system can supply your home consumption while also exporting 10kW to the grid for a full two hours when the grid needs it. Each system installed shaves 10kW off the grid’s peak power demand problem!
Simple
It took us 6 months of research and experimentation to arrive at what we believe is the best approach to home energy for the majority of California homeowners. We know most people don’t have the time to do this. There are too many hardware options, too many rules and codes to navigate, too many questions about how the next 20 years will unfold, outdated rules of thumb, ever-changing rebates and incentives, wide-ranging quotes, and questionable sales tactics.
We wanted to remove this giant burden on homeowners by providing a single, great option. One system. One price. One process. Don’t let the complexity and lack of time cause you to delay another year! Take the easy (and best) option.
One system
29 kWh battery
10 kW solar array*
whole home backup
One price
$17,500
after tax credit
* array will be as large as your roof and sun exposure can support (subject to fire codes and obstacles / shading), up to 10 kW
Fair and transparent
Transparent Pricing
We provide a detailed price breakdown so you know exactly where your money is going. No games. No hidden margins.
See full breakdown here.
Transparent Contracts
No hidden fees, no nickel and diming with “add-ons”, no predatory buyout clauses, no misleading warranty terms. All terms are summarized in plain English and sent to you before you sign anything.
Fair Warranty
Our warranty is backed the equipment warranties from the manufacturers to ensure you’re in a great position even in the impossibly unlikely event Potrero Energy is not around for the full term.
10 year workmanship warranty covering the installation work across the entire system
10 year warranty on batteries/inverters
20 year warranty on solar panels
Resilient
In the event of a grid outage, our system immediately (20ms) switches over to supplying your full home from the battery system. You will receive a message notifying you of the grid outage and that power to your largest electric loads (EV, heat pump, or water heater) has been cutoff. It is then your choice whether to restore power to any of these loads.
The 29 kWh battery is large enough to carry you through the night with virtually no rationing of power. In the morning your solar will begin refilling the battery, and the cycle repeats until power is restored.
Book intro call
Book a 20-minute phone call with us below. During the call, we’ll collect some information, walk you through the process, answer any questions you have, and see if you’d like to move forward!