Every sunrise,
yours to use.

Get more. Every day.

Any solar and battery system saves you money and keeps the lights on. Lunar does more.

More savings

An energy nerd in your pocket.
‍Lunar AI makes a custom plan every day for every home to maximize savings. Homes even earn extra dollars by sharing energy back to the grid.

More backup

When the grid is out, every Watt has a job.
‍Lunar developed unprecedented controls to manage that energy with Eaton’s AbleEdge smart breakers.

More earnings

Your battery earns its keep.
Virtual Power Plant programs pay you to share stored energy when the grid needs it most. Enroll in minutes. Earn hundreds.

More storage.

15, 20, 25, or 30 kWh. One modular system. One clean unit on your wall.

More savings

From Lunar AI

Lunar AI studies your rates, your weather, and your home's patterns — then builds the plan that gets you the most. Not the same plan every day. The right plan every day.

‍And it’s working.

Explore Lunar AI

Kyle in Fremont added $873 in additional value by using Lunar AI in 2025.

Amber in San Jose gained $421 in extra savings with Lunar AI in 2025.

Last year, Kevin in Redwood City achieved $320 in additional savings with Lunar AI.

More insight

With the Lunar App

The Lunar App puts your whole energy system in your hand. Watch it work. Track your savings. Stay protected — whatever the weather brings. Award-winning design that makes the complex feel simple.

Explore the Lunar App

More earnings

With the Lunar Virtual Power Plant

When the grid needs power, it pays for yours. Virtual Power Plant programs connect your battery to the grid during peak demand — and cut you a check for showing up. Enroll in minutes, right in the Lunar App.

Explore Lunar VPP

Kevin in Redwood City made an additional $482 in VPP earnings in 2025.

Last year, Jennifer in San Jose earned an extra $473 by participating in Lunar’s Virtual Power Plant.

Steve in Pleasanton turned his extra energy into cash and made $423 in VPP earnings in 2025.

Last year, Stephen in Danville made an additional $345 by participating in Lunar’s Virtual Power Plant.

Making more energy than we use and sharing it, now that’s a win-win.”

–

The Lucas Family, San Jose

Sign-up  was easy, and payouts happen digitally. The Lunar System only dispatches energy when it makes sense for my house."

–

Kyle, Fremont

It feels like being part of a team, helping keep the lights on in my community.”

–

Brandon, Orinda

Beauty. And beast.

Built for mother nature. (And her worst)

Choose 15, 20, 25, or 30 kWh — modular blocks that configure to your home and sit flush as a single unit on your wall. And don't let the clean lines fool you. The Lunar Battery is also rated for extreme heat and cold and can be installed indoors and outdoors.

Design your System

Lunar System components

System
Battery
Maximizers
Bridge
MSA
Smart Breakers

Lunar System

The Lunar System includes the Lunar Battery, Maximizers, Bridge or meter socket adapter, and smart breakers.
Capacity
15 kWh to 30 kWh
Output power
9.6 kW Continuous 
15 kW Peak (5s)
Backup Experience
134 max LRA start
Seamless backup transition
Safety
UL 9540A indoor and outdoor

Lunar Battery

The Lunar Battery delivers 15–30 kWh of modular storage in a single tower for flexible, high-performance energy backup.
Block Size (battery or inverter)
10.6 x 24.4 x 13.5’’ (L x W x D)
Weight
Battery block: 96 lb
Inverter block: 42 lb
Installation
Indoor or outdoor
Wall or floor mount
Conduit entry from either side or hidden
Single 50A breaker for solar + battery
Warranty
12.5 years

Lunar Maximizers

The Lunar System uses Maximizers behind every solar panel to make sure a little shade on one panel doesn’t decrease the overall system’s output.
Max Input Power
650 W
PV String Size
9 - 24 Modules per string
Max 3 Strings
Performance
Module-level MPPT and rapid shutdown
Installation
Rack or panel mount
Warranty
25 years

Lunar Bridge

Connects your home to the grid and acts as your electrical panel to monitor and send power where it’s needed.
Panelboard
20 space / 40 circuits
Installation
Indoor or outdoor
Wall or semi-flush mount
Current Rating
200A
Max Short Circuit Current
22 kA
Warranty
12.5 years

Meter Socket Adapter

The ConnectDER IslandDER Meter Socket Adapter connects your Lunar System to the grid quickly, without relocating circuits and breakers.
Maximum Continuous Current
200A
Short Circuit Rating
22k AIC
Power
12V DC bus to/from Lunar MSAC, Max 5W power supply available to 3rd party system from grid side of MID (load side of meter)
Current Sensing
ANSI 0.2 Accuracy Class CTs for Revenue Grade Sensing, Additional line and load side (of MID) Rogowski Coils at < 5% accuracy
Voltage Sensing
Line and Load side (of MID) - 0.4% Accuracy at Ambient, 1% Across Temperature Range
MID Control
Discrete open/close signals with 1ms input noise rejection, Actuation time < 15 ms
MID Rated Cycles
10,000
Warranty
12.5 years

Smart Breakers

With Eaton’s AbleEdge smart breakers in the Lunar System, you can automatically drop non-essential appliances during an outage, saving energy for what matters most.
Current Rating
15/20/30/40/50/60A4
Breaker Type
BRS plug-on style
Metering
Revenue Grade Metering (±0.5%)
Ground Fault Circuit Protection (GFCI)
Yes
Max # of smart breakers per Lunar System
8
Compatible Panels
Lunar Bridge and any Eaton BR-style residential panels
Warranty
10 years mechanical, 3 years electronics

FAQ

Your questions on the Lunar System, answered.

Lunar’s software sets it apart. Any solar and battery system can lower bills and avoid power outages — the Lunar System with Lunar AI makes a custom plan for your home every day to get the most out of your home’s personal power plant.

Take one customer’s point of view. Jacquelyn says, “I appreciate how engaged and receptive Lunar is to its customers. I genuinely feel that Lunar cares about my experience and wants to help us achieve our energy and solar goals. Companies that take such good care of their customers while delivering real value deserve every success.”

Fill out this form, and we’ll connect you with a Lunar Certified Installer who can build a proposal for your home.

We are currently installing across all of California. If you're a California homeowner—with or without existing solar—fill out this form to connect with a Lunar Partner.

If you’re not based in California, we’re not ready for you just yet, but we’ll make introductions to our installation partners as we expand. Register your interest and we’ll reach out to you as soon as we are able to serve your home.

Designed in California.

Built for everywhere.

Every part of the Lunar System was developed and tested in Mountain View, California and assembled in the United States. Lunar was founded by a team that helped pioneer home solar and battery technology, with deep roots in hardware and software from the companies that started this industry.

Design your System

Save money, make money, avoid grid outages, and power your life with clean energy day and night.

Design your System