Luminalt
Luminalt Energy Corporation is a privately held San Francisco solar PV and battery storage installer founded in 2004, serving residential and small commercial customers across the Bay Area with in-house design, engineering, installation, monitoring, and maintenance services.
- Company typePrivate
- Founded2004
- HeadquartersSan Francisco, United States
- Headcount11–50
- GTM typeB2B and B2C
- OfferingServices
What Luminalt does
Luminalt Energy Corporation is a privately held, locally owned solar photovoltaic and battery energy storage installation company headquartered at 10 Carolina Street, San Francisco, California. Founded in 2004 by Jeanine and Noel Cotter, the company designs, engineers, and installs residential and small-commercial solar PV systems across the San Francisco Bay Area. Its customers span homeowners with dense-urban housing stock and small commercial and nonprofit institutions; named installation customers include Crissy Field Center, Project Open Hand, Telegraph Hill Neighborhood Center, First Unitarian Universalist Church, B&W Service Center, and Synergy School.
The product offering centers on grid-tied solar PV paired with battery energy storage, with Enphase and Tesla Powerwall as the primary battery platforms. Adjacent services include solar hot water, new-construction and remodel coordination, and post-installation monitoring and maintenance. Design and engineering are performed in-house using Aurora and Energy Toolbase; PG&E interval usage data is ingested through Utility API; Salesforce is used as CRM. The company holds NABCEP Company Accreditation, California State License Board License #845219, and Women Business Enterprise certification, and is a member of Amicus Solar Cooperative and CALSSA.
Luminalt runs an end-to-end in-house model with no outsourced installation labor. Pricing is quote-based and project-based, with no published list rates. Revenue is generated primarily through one-time installation contracts supplemented by service and maintenance contracts. Distribution is community-led and locally concentrated; the firm has not raised external capital and reports no institutional investor, parent, or subsidiary. The firm reports 11-50 employees and lifetime environmental impact of more than 54,086 tons of CO2 offset.
Luminalt firmographics
Firmographics- Name
- Luminalt
- Legal name
- Luminalt Energy Corporation
- Website
- https://luminalt.com
- Company type
- Private
- Founded year
- 2004
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Luminalt Energy Corporation is a privately held San Francisco solar PV and battery storage installer founded in 2004, serving residential and small commercial customers across the Bay Area with in-house design, engineering, installation, monitoring, and maintenance services.
- Ownership category
- akta.pro rank
Luminalt industry classification
Industry- Product category
- Solar Installation Services
- SIC
- Electrical Work (1731)
- akta.pro primary industry
- Solar EPC & Construction (Utility-Scale, Rooftop, Balance of System) (EUAMABAB)
- akta.pro secondary industry
- Solar Grid Integration & Interconnection Services (Studies, Protection, SCADA, Forecasting) (EUAMABAI)
Keywords
Where Luminalt is headquartered
LocationHeadquarters
- HQ city
- San Francisco
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Luminalt business model
Business model- GTM type
- B2B and B2C
- Offering type
- Services
- Cost components
- Personnel, Operations, Supply Chain, Marketing or Sales, Technology or R&D
Revenue model
- Solar PV System Installation: One-time installation of solar photovoltaic systems for residential and commercial customers. Revenue generated through system sales, design, engineering, and installation services. Includes battery storage integration.
- Battery Energy Storage Systems: Installation of battery storage systems, particularly Enphase and Tesla Powerwall products, often paired with new solar installations or as retrofits to existing systems.
- System Maintenance and Repair Services: Ongoing service for existing systems including routine check-ups, upgrades, monitoring equipment support, and troubleshooting. Covers solar electric, Powerwall, and solar hot water systems.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Pay-as-you-go | Custom Project-Based Pricing |
Go-to-market motion2 records
Distribution channels3 records
Marketing channels6 records
Luminalt product offering
Product offeringCore offering
Luminalt is a locally owned San Francisco solar and energy storage installation company that designs, engineers, and installs solar PV systems and battery storage (Tesla Powerwall and Enphase) for residential and small commercial customers in the Bay Area. The company also provides system monitoring, maintenance, and repair services for installed solar electric, Powerwall, and solar hot water systems.
Product overview
Luminalt is a locally owned solar and energy storage installation company offering a unified suite of products centered on residential and commercial solar PV installation. The core offerings are residential solar installation and commercial solar installation, with battery energy storage as a key add-on module that pairs with solar systems. Additional services include remodel and new construction coordination, plus ongoing monitoring and maintenance. The company designs systems in-house and provides end-to-end service from initial consultation through installation and post-installation support.
Differentiator
Problem solved
Functional benefit
Products and services
- Residential Solar Installation Complete solar PV system design, engineering, and installation for homeowners in the San Francisco Bay Area, including creative rooftop solutions for dense urban environments, Victorian homes, and tight urban spaces.
- Commercial Solar Installation Solar electric system design and installation for small commercial properties, businesses, nonprofits, schools, churches, community organizations, and public works projects in the Bay Area.
- Battery Energy Storage Systems Installation of battery energy storage systems (Enphase and Tesla Powerwall) paired with solar PV systems or as retrofits, enabling energy self-reliance, backup power during outages, and additional savings.
- Remodel & New Construction Solar Solar installation services coordinated with remodels and new construction projects, working alongside architects, builders, and other trades to integrate solar into pre-construction planning.
- Solar System Monitoring & Maintenance Ongoing system monitoring, check-ups, troubleshooting, upgrades, and maintenance/repair services for installed solar electric systems, Powerwall batteries, and solar hot water systems.
Companies that use Luminalt
Customer profileNamed customers10 records
Segments3 records
Ideal customer profiles3 records
Luminalt technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration5 records
Feature3 records
Luminalt partnerships and signals
Strategic signalPartnerships
Eleven partnerships are on record, tiered core and minor.
- Enphase EnergycoreEnphase is a key technology partner providing microinverters for many Luminalt installations. Featured on home page and project pages with installation examples and monitoring capabilities.
- California Solar and Storage Association (CALSSA)coreLuminalt is an active member of CALSSA, participating in advocacy for solar and storage policy in California. CEO Jeanine Cotter was elected to the CALSEIA Board of Directors in 2013 and co-chairs the Workforce Diversity and Market Access Committee.
- The SunPower FoundationminorPartnership for the Telegraph Hill Neighborhood Center project where The SunPower Foundation provided funding and panels for the 33kW donated solar system.
- One AtmosphereminorPartnered with Luminalt to install solar panels at Telegraph Hill Neighborhood Center, providing environmental consulting and sustainability expertise.
- CAKEminorMusic company that partnered with Luminalt to fund and support the Telegraph Hill Neighborhood Center solar project.
- Golden Gate National Parks ConservancyminorPartnered with Luminalt to install a 28 kW solar electric system and 5.4 kW wind system at the Crissy Field Center in the Presidio of San Francisco.
- National Park ServiceminorPartnered with Luminalt for the Crissy Field Center installation as part of the new green facility design.
- Presidio TrustminorPartnered with Luminalt for the Crissy Field Center solar and wind installation in the Presidio of San Francisco.
- Amicus Solar CooperativecoreLuminalt participates in the Amicus Solar Cooperative, a network of independent solar installers that provides collective advocacy, purchasing power, and industry collaboration. This membership supports their advocacy work and industry influence.
- PG&EcorePG&E provides interconnection services, net metering programs (NEM 1.0, 2.0, and 3.0), and rebates for Luminalt-installed systems. Also provides GoSolarSF program funding.
- SunPowercoreSunPower is a primary solar panel manufacturer partner for Luminalt installations. Multiple projects use SunPower panels, and Luminalt provides SunPower manufacturer certification statements for tax credit documentation.
Scale indicators4 records
Recent moves6 records
Expansion highlights5 records
Luminalt competitors and assessment
Company assessmentDirect peers
- Sunrun: Sunrun is the largest US residential solar installer, offering solar leases, PPA, and battery storage. Direct overlap with Luminalt in residential solar + storage sales-led model in California, though at vastly greater scale.
- Blue Raven Solar: Blue Raven Solar is a residential solar installer using a direct-sales, in-house installation model comparable to Luminalt. Similar customer segmentation toward homeowners with financing support.
- Tesla Energy: Tesla's energy business sells Solar Roof and Powerwall directly to homeowners, competing head-to-head with Luminalt's residential PV + battery offering. Material overlap in Powerwall installation partnerships and direct-to-consumer sales.
- SunPower (residential division): SunPower is both a Luminalt panel supplier and a direct residential installer competitor in California. Highly comparable for high-efficiency residential rooftop solar and storage projects.
- Semper Solaris: Semper Solaris is a California-based residential and commercial solar, battery, and roofing installer with a comparable full-service EPC model. Direct head-to-head competitor across multiple California metros.
- CleanSolar: CleanSolar is a California-based residential and commercial solar installer offering solar + battery solutions with a consultative sales process. Direct overlap with Luminalt's customer base and service mix.
- Momentum Solar: Momentum Solar is a residential solar installer with a consultative sales-led GTM similar to Luminalt's. Operates across multiple states with in-house design and installation teams.
Others
- Amicus Solar Cooperative: Amicus Solar Cooperative is a network of independent solar installers of which Luminalt is a member. Provides collective purchasing and advocacy; useful as ecosystem comparables (other member-installers are indirect peers).
Broad incumbents
- Enphase Energy: Enphase is a strategic technology partner to Luminalt (microinverters and battery systems). While primarily a hardware vendor, Enphase's installer network and IQ Energy Services places it adjacent to installer peers with broader scale.
Regional players
- Trinity Solar: Trinity Solar is a regional residential solar installer focused on the Northeast US. Comparable in business model (in-house design, sales-led, residential focus), though operating in a different geography than Luminalt.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
Luminalt social profiles
Digital presenceLuminalt compliance and trust
Trust signalCompliance4 records
Luminalt financial estimates
Financial estimateRevenue estimate
Valuation estimate
Luminalt leadership team
Management profileNumber of profiles
Profiles6 records
Luminalt funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Luminalt M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Luminalt
What does Luminalt do?
Luminalt is a locally owned San Francisco solar and energy storage installation company that designs, engineers, and installs solar PV systems and battery storage (Tesla Powerwall and Enphase) for residential and small commercial customers in the Bay Area. The company also provides system monitoring, maintenance, and repair services for installed solar electric, Powerwall, and solar hot water systems.
Is Luminalt a public or private company?
Luminalt is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Luminalt founded?
Luminalt was founded in 2004. It employs 11 to 50 people.
Where is Luminalt based?
Luminalt is headquartered in San Francisco, United States, in the North America region.
How does Luminalt make money?
Three revenue lines are on record. Solar PV System Installation is the primary driver. The others are battery Energy Storage Systems and system Maintenance and Repair Services.
Who are Luminalt's main competitors?
Direct peers on record are Sunrun, Blue Raven Solar, Tesla Energy, SunPower (residential division), Semper Solaris, CleanSolar and Momentum Solar. Amicus Solar Cooperative is listed as an others. Enphase Energy is listed as a broad incumbent. Trinity Solar is listed as a regional player.
Does Luminalt have an API?
No public API is recorded for Luminalt.
What industry is Luminalt in?
Luminalt's product category is Solar Installation Services. Its primary akta.pro industry code is EUAMABAB, Solar EPC & Construction (Utility-Scale, Rooftop, Balance of System), with a secondary code of EUAMABAI, Solar Grid Integration & Interconnection Services (Studies, Protection, SCADA, Forecasting). Its SIC code is 1731.