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Lunar Energy

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Lunar Energy

lunarenergy.com
HQ: Mountain View, California, United States
500
Energy & Resources

Company research

Public company, workplace, funding, and market signals

Updated Aug 16, 2026

Overview

Lunar Energy is a privately held clean-energy technology company founded in 2020 that develops integrated residential solar-and-battery hardware and software for home electrification and virtual power plants. Its mission is to make homes cleaner, more reliable, and more energy independent.

Primary product

The Lunar System: an integrated residential solar-and-battery system comprising modular Lunar Batteries, solar-panel Maximizers, Bridge, smart breakers, backup controls, the Lunar App, and AI-powered energy optimization. Lunar also offers Lunar Gridshare, an enterprise distributed-energy-management and virtual-power-plant platform.

Founded

2020

Headquarters

Mountain View, California, United States

Team size

150-200

Work style

Flexible

Industry

Renewable energy equipment manufacturing

Sub-industry

Residential energy storage, home electrification, distributed energy resources, and virtual power plants

Offices

Mountain View, California, United States
London, United Kingdom
Manchester, United Kingdom

Business model

Hardware sales through certified installers and channel partners
Residential solar-and-battery installations
Installer and energy-partner distribution
Enterprise software for utilities, retailers, aggregators, and virtual power plants
Grid flexibility and distributed-energy optimization services

Funding

Stage

Series D

Total raised

$532M

Latest round

Series D · Feb 2026

Latest amount

$102M

Series C

Feb 2026 · Activate Capital

$130M

Series D

Feb 2026 · B Capital and Prelude Ventures

$102M

Initial corporate financing, part of $300 million raised before emergence from stealth

Sunrun

Second corporate financing, part of $300 million raised before emergence from stealth

SK Group

People & investors

Leadership

Kunal Girotra

Founder and Chief Executive Officer

Mark Holveck

Co-Founder and Chief Architect

Chris Wright

SVP of Software Technology and Product

Grace Hsu

Head of Legal and HR

Rishi Simha

VP of Finance and Accounting

Ed Gunn

VP of Revenue

Adi Makaram

Senior Director of Operations and Director of Supply Chain

George Penny

Head of Markets

Investors

Activate Capital
B Capital
DCVC
Honda
ITOCHU Corporation
Leitmotif
Piva Capital
Prelude Ventures
Q Capital Partners
SK Group
Sunrun

Work & culture

The company describes itself as mission-driven, collaborative, inclusive, fast-paced, and focused on building clean-energy products with measurable real-world impact. It emphasizes a healthy work-life balance, employee contribution, and a mix of hardware, firmware, software, manufacturing, and energy-industry expertise. Office and remote options vary by role and geography.

Work style

Flexible

Visa sponsorship

Limited

Compensation

Public job postings indicate competitive base pay plus equity or stock options. A California Senior Embedded Firmware Engineer posting listed an estimated salary range of $150,000-$180,000, while a Staff Firmware Engineer posting listed $200,000-$230,000. UK postings describe competitive salary plus stock options, 25 days of annual leave, pension matching, and other benefits. Public job postings ask candidates about sponsorship, but the company does not appear to publish a universal sponsorship policy; third-party immigration and H-1B data indicate sponsorship has occurred, especially for technical roles.

Benefits

Competitive salary
Company equity or stock options
Medical, dental, and vision insurance
Flexible paid time off
Paid holidays
401(k) plan
Paid parental leave
Subsidized EV charging
Pre-tax commuter benefits
UK private medical insurance through Bupa
UK wellbeing and lifestyle benefits
UK pension matching at 5%
Training budget and paid training days
Cycle to Work scheme
Workplace Nursery benefit

Product & market

Pricing

Residential pricing is quote-based and delivered through installation partners. Customers can generally purchase with cash, use a solar loan, or use a lease or power-purchase-agreement structure through partners such as Sunrun. Sunrun has marketed Lunar systems through monthly lease plans that can start at $0 down. Lunar Gridshare and enterprise services use negotiated, business-to-business pricing.

Differentiators

  • —Integrated hardware and software designed by one company rather than a collection of third-party components
  • —Modular residential battery architecture with configurations reported from roughly 15 to 30 kWh on current product materials
  • —DC-coupled system and panel-level Maximizers for solar optimization
  • —Lunar AI customizes charging and discharging based on electricity rates, weather, solar production, and household usage
  • —Built-in backup and outage controls, including prioritization of critical loads
  • —Gridshare is device-agnostic and can coordinate batteries, thermostats, EVs, and other distributed energy resources
  • —Virtual-power-plant participation can create additional value for homeowners while supporting grid reliability
  • —Moixa acquisition brought a decade of distributed-energy optimization expertise and operational data

Technology

AWS
TypeScript
Python
C
Embedded firmware
RTOS
Go
Rust
PostgreSQL
Elasticsearch
InfluxDB
CI/CD
Infrastructure as code
Cloud-native platform architecture
AI and machine-learning energy optimization
Distributed energy resource management systems
Virtual power plant orchestration
Solar-panel-level power optimization

Customers

Sunrun
ITOCHU Corporation and Japanese energy partners
Honda
UPS
Octopus Energy
California Community Choice Aggregators
Utilities, co-ops, municipalities, load-serving entities, and third-party owners of distributed energy resources

Competitors

Tesla Powerwall
Enphase Energy
Sonnen
FranklinWH
SolarEdge
Other residential solar-plus-storage and virtual-power-plant providers

Scale & contact

Estimated revenue

$1 million-$10 million annually; one third-party company profile estimates approximately $3 million

Estimated monthly visits

19.8K

Traffic estimate as of Jun 2026

Signals & risks

Acquisition
Aug 2021

Lunar Energy acquired UK-based distributed-energy-management company Moixa. The transaction terms were not publicly disclosed. Moixa's Gridshare software, team, and strategic investors became part of Lunar's platform.

Source
Other
Feb 2026

Lunar has raised substantial capital but remains a private, hardware-intensive company scaling manufacturing and geographic deployment. Management said it had deployed more than 2,000 systems in California and planned to increase deployments four- to fivefold, creating execution, supply-chain, installation, and capital-efficiency risks typical of residential energy hardware.

Source

Latest news

Lunar's third VPP program in Japan with Chubu Electric Power Miraiz

Lunar Energy · Jul 2026

Lunar described its third Japanese virtual power plant program, using Gridshare to optimize household batteries against solar generation, consumption, tariffs, and grid conditions.

Lunar Energy raises $232 million to scale home battery deployments and AI-powered VPP software

Lunar Energy · Feb 2026

Lunar announced a $102 million Series D led by B Capital and Prelude Ventures, following a previously unannounced $130 million Series C led by Activate Capital. The company said the capital will support nationwide battery deployment and expansion of Lunar Gridshare.

Lunar Energy raises $232M to deploy home batteries that prop up the grid

TechCrunch · Feb 2026

TechCrunch reported that Lunar had raised more than $500 million in total and planned to scale manufacturing to 20,000 units by the end of 2026 and 100,000 by the end of 2028.

Lunar Energy Raises $230 Million for Batteries to Prevent Blackouts

Bloomberg · Feb 2026

Bloomberg covered Lunar's new financing and reported approximately 2,000 California installations, as well as the company's software for optimizing battery charging, discharging, and grid exports.

Lunar Energy partners with Octopus Energy for a new battery electricity plan

Lunar Energy

Lunar's current product materials describe a partnership with Octopus Energy for a battery electricity plan, connecting residential storage with retail-energy services.

About / teamCareersCompany blogCompany websiteCustomer storiesGitHub organizationGreenhouse jobsLinkedIn company pageLunar Enterprise / GridshareLunar System
SourcesLunar Energy About pageLunar Energy CareersLunar System product pageLunar Enterprise / GridshareLunar Energy Series D and Series C announcementLunar Energy founder Q&ALunar Energy emergence-from-stealth announcementLunar Energy LinkedIn company profileAWS case study on Lunar EnergyTechCrunch funding coverageEnergy-Storage.News funding coverageExa company profile and traffic estimate

Jobs and careers at Lunar Energy

19 jobs at Lunar Energy

Senior Firmware Engineer - Communications

On-site
Firmware
Mountain View, CA; San Francisco, California, United States
Today
On-site
Full-time
Apply

Staff Reliability Engineer - Power Electronics

On-site
Reliability & Hardware Testing
Mountain View, CA; San Francisco, California, United States
Today
On-site
Full-time
Apply

Senior Reliability Engineer - Power Electronics

On-site
Reliability & Hardware Testing
Mountain View, CA; San Francisco, California, United States
Today
On-site
Full-time
Apply

Electrical Engineer - ATE

On-site
Test Engineering
Mountain View, CA; San Francisco, California, United States
1d ago
On-site
Full-time
Apply

Senior Electrical Supervisor

On-site
Templates
UK; London, England, United Kingdom
1d ago
On-site
Full-time
Apply

Electronics Design Engineering Intern

On-site
Electrical Engineering
Mountain View, CA; San Francisco, California, United States
2d ago
On-site
Full-time
Apply

PCB Layout Engineer

On-site
Electrical Engineering
Mountain View, CA; San Francisco, California, United States
2w ago
On-site
Full-time
Apply

Engineering Technician II, Test Operations (Contract)

On-site
Technician
Mountain View, CA; San Francisco, California, United States
2w ago
On-site
Full-time
Apply

Data Infrastructure Engineer (contract)

On-site
Test Engineering
Mountain View, CA; San Francisco, California, United States
2w ago
On-site
Full-time
Apply

Staff Firmware Engineer

On-site
Templates
UK; London, England, United Kingdom
2w ago
On-site
Full-time
Apply

Technical Service Engineer

On-site
Commercial
Mountain View, CA; San Francisco, California, United States
2w ago
On-site
Full-time
Apply

IT Support Technician

On-site
IT
Mountain View, CA; San Francisco, California, United States
2w ago
On-site
Full-time
Apply

Firmware Engineer Manager

On-site
Firmware
Mountain View, CA; San Francisco, California, United States
1mo ago
On-site
Full-time
Apply

Principal Firmware Engineer

On-site
Firmware
Mountain View, CA; San Francisco, California, United States
1mo ago
On-site
Full-time
Apply

Staff Firmware Engineer

On-site
Firmware
Mountain View, CA; San Francisco, California, United States
1mo ago
On-site
Full-time
Apply

Senior Firmware Engineer

On-site
Firmware
Mountain View, CA; San Francisco, California, United States
1mo ago
On-site
Full-time
Apply

Senior Supply Quality Engineer

On-site
Quality Engineering
Mountain View, CA; San Francisco, California, United States
1mo ago
On-site
Full-time
Apply

Power Electronics Engineer

On-site
Electrical Engineering
Mountain View, CA; San Francisco, California, United States
1mo ago
On-site
Full-time
Apply

Systems Test Engineer

On-site
Systems Engineering
Mountain View, CA; San Francisco, California, United States
3mo ago
On-site
Full-time
Apply

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