Allterra Solar

What Allterra Solar does

Allterra Solar is a privately held, family-owned solar installation company founded in 2004 and headquartered in Santa Cruz, California. It designs, sells, and installs residential and light commercial solar photovoltaic (PV) systems, battery storage solutions (Enphase IQ, FranklinWH aPower 2, and Tesla Powerwall 3), and EV charging stations, with service area offices in Watsonville, Monterey, and San Mateo County. The company has installed systems in over 4,000 homes across the California Central Coast and Bay Area and employs an entirely in-house engineering, design, installation, and sales team (no subcontractors).

The underlying technology stack is conventional solar-plus-storage: high-efficiency PV panels paired with string, microinverter, or hybrid inverters and lithium battery storage, with the company holding certified installer status with Tesla, Enphase, and FranklinWH. Allterra differentiates through deep expertise in California-specific regulatory frameworks — NEM 3 / Net Billing Tariff billing mechanics, PG&E interconnection, and Central Coast Community Energy (3CE) battery rebates ($300–$500/kWh) — and through load-shifting system designs that maximize self-consumption under post-NEM-3 export pricing.

Revenue is generated primarily through one-time project fees for installation work, with growing contribution from professional service revenue (monitoring, diagnostics, inverter replacement, panel removal/reinstallation for reroofing, and EV charger installation). The go-to-market motion is sales-led and direct-to-consumer, beginning with free consultations and site assessments, with 60% of new clients referred by existing customers. The company facilitates third-party financing (zero-down options, low-interest loans via Mosaic and local credit unions) to reduce purchase friction. Marketing emphasizes educational content, local SEO across city-specific landing pages, and community sponsorship in the Monterey Bay region.

Name

Allterra Solar

Legal name

Allterra Solar

Website

https://allterrasolar.com

Company type

Private

Founded year

2004

Operating status

Operating

Headcount range

11–50 employees

Short description

Allterra Solar is a family-owned, full-service solar installer founded in 2004, serving residential and light commercial customers across California's Central Coast and Bay Area (Santa Cruz, Monterey, San Mateo counties) with PV systems, battery storage, and EV charging.

Ownership category

akta.pro rank

Product category

Residential Solar Installation Services

NAICS

Roofing Contractors (23816)

akta.pro primary industry

Solar EPC & Construction (Utility-Scale, Rooftop, Balance of System) (EUAMABAB)

akta.pro secondary industries

Solar Roofing & Roof-Mounted PV Systems (IMADAFAO), PV Balance of System (BOS) & Electrical Infrastructure (Inverters, Transformers, Cabling, Substations) (EUACAGAC)

Keywords

• Residential solar installation
• Solar panel systems
• Battery storage solutions
• Commercial solar services
• EV charger installation

Headquarters

HQ city

Santa Cruz

HQ country

United States

HQ region

North America

Offices4 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Supply Chain, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Solar Panel Installation (Residential & Light Commercial): One-time installation of custom solar PV systems for homeowners and businesses. Revenue is generated as a one-time project fee based on system size, equipment selection, and installation complexity. Includes full permitting, installation, and activation. Follow-on revenue comes from system monitoring, maintenance, and repairs.
2. Battery Storage & Backup Solutions: Battery system installation (standalone or bundled with new solar), generating one-time project revenue. Batteries can also be retrofitted to existing solar systems installed by Allterra or other contractors, with ongoing service revenue from diagnostics and maintenance.
3. EV Charging Station Installation: One-time installation of Level 1, Level 2, or Smart EV chargers at homes and businesses. Revenue is one-time project-based with potential for panel upgrade services (separate fee).
4. System Maintenance, Monitoring & Diagnostics: Ongoing service revenue from solar system maintenance, monitoring troubleshooting, inverter replacement, performance assessments, and panel cleaning. Includes annual inspections, repairs, component replacement, and system expansion services.
5. Solar Financing & Loan Arrangement: Allterra arranges financing partnerships (including zero-down options and low-interest loans through Mosaic and local credit unions) to make solar affordable. The company facilitates third-party financing, generating revenue through the loan arrangement and project volume.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels10 records

Core offering

Allterra Solar is a full-service solar installation company that designs, permits, installs, and maintains residential and light commercial solar photovoltaic (PV) systems with optional battery storage (Enphase IQ, FranklinWH aPower 2, Tesla Powerwall 3) and EV charging integration across California's Central Coast and Bay Area. The company also provides ongoing system monitoring, diagnostics, inverter replacement, system expansion, and solar panel removal/reinstallation for reroofing.

Product overview

Allterra Solar is a locally owned residential and commercial solar installation company serving Santa Cruz, Monterey, and the Central Coast since 2004. The company offers a comprehensive suite of solar energy solutions anchored by expert solar panel installation, complemented by energy storage systems (Enphase IQ, FranklinWH aPower 2, Tesla Powerwall 3), EV charging station installation, and extensive maintenance and support services including system diagnostics, inverter replacement, and performance assessments. Financing assistance and incentive navigation (PG&E, 3CE, federal tax credits) are integrated into the service offering. The portfolio functions as a unified installation and service business rather than a modular software platform.

Differentiator

Problem solved

Functional benefit

Products and services

• Solar Panel Installation Expert residential and commercial solar PV system installation designed to lower energy costs, including full system design, permitting, installation, and activation across Santa Cruz, Monterey, and the Central Coast.
• Energy Storage & Solar Batteries Battery backup solutions providing power during outages and peak demand times. Three curated battery options offered: Enphase IQ, FranklinWH aPower 2, and Tesla Powerwall 3.
• Solar Financing & Incentives Assistance Guidance and arrangement service for accessing solar and battery incentives (PG&E rebates, 3CE rebates, manufacturer rebates, Federal Solar ITC) plus flexible financing options through Mosaic and local credit unions, including zero-down plans.
• System Maintenance & Monitoring Ongoing maintenance, monitoring troubleshooting, inverter replacement, performance assessments, and panel cleaning to extend system life; includes workmanship warranty and one year of free service on Allterra-installed systems.
• EV Charging Station Installation Home and business EV charger installation, including Level 1, Level 2, and Smart chargers, with certified Tesla Wall Connector installation and integration with solar-plus-storage systems.
• Solar System Performance Assessment & Diagnostics Full diagnostic assessment to check performance, identify maintenance issues, and recommend solutions for optimal energy output on residential and light commercial solar systems.
• Solar System Assessment Professional solar checkup including visual inspection, performance monitoring, electrical inspection, and data analysis for system evaluation; free quotes available.
• Solar Inverter Replacement Replacement of faulty inverters, including string inverters, microinverters, and hybrid battery-integrated inverters for residential and light commercial solar systems.
• Solar System Expansion Service to add more solar panels to existing systems, including inverter upgrades and battery storage compatibility assessment.
• Solar Panel Removal & Reinstallation for Re-Roofing Professional solar panel removal and reinstallation services for roof replacement projects, ensuring warranty protection and optimal system performance.
• Solar Monitoring Repair Services Troubleshooting and repair services for solar monitoring issues including app connectivity, incorrect energy readings, and software errors.

Quantifiable outcome

• Over 4,000 homes powered by Allterra-installed solar systems
• +6 more outcomes

Named customers6 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Six partnerships are on record, tiered core and minor.

• Central Coast Community Energy (3CE)coreGTM or Marketing Partner3CE is a community choice aggregation (CCA) energy provider serving the Central Coast. Allterra Solar helps customers access 3CE's battery rebate programs, including $300/kWh for existing NEM-3 customers and $500/kWh for customers switching from NEM-2 to NEM-3, for systems 5–26 kWh ($1,500–$13,000 total rebate). Allterra guides customers through the rebate application and enrollment process as part of their standard installation service.
• PG&E (Pacific Gas and Electric)coreGTM or Marketing PartnerPG&E is the primary investor-owned utility in Allterra's service territory. Allterra helps customers navigate PG&E's solar interconnection process, NBT (Net Billing Tariff) billing, Time-of-Use rate plans, and PG&E's Permanent Battery Storage Rebate (PBSR) of $7,500 for eligible homes in high fire-risk areas. Allterra also handles the 'Permission to Operate' step with PG&E as part of installation.
• Tesla (Certified Installer)coreTechnology or IntegrationAllterra Solar is a Certified Tesla Wall Connector Installer and offers Tesla Powerwall battery systems (Powerwall 2 and Powerwall 3). Tesla products are featured as one of the three battery options offered by Allterra. Customer testimonials specifically reference Tesla Powerwall installations by Allterra.
• EnphasecoreTechnology or IntegrationEnphase IQ is one of the three quality battery options offered by Allterra Solar. Enphase microinverters and batteries are installed as part of Allterra's solar-plus-storage systems, providing customers with a leading microinverter-based energy solution.
• FranklinWH (aPower 2)coreTechnology or IntegrationFranklinWH aPower 2 is one of the three battery options offered by Allterra Solar for energy storage solutions. The aPower 2 is featured alongside Enphase IQ and Tesla Powerwall as curated battery choices for Central Coast homeowners.
• Testorff ConstructionminorStrategic or Co-development PartnerTestorff Construction is referenced as a construction partner working side-by-side with Allterra Solar on a large solar project. This represents a builder-referral and co-installation relationship for projects requiring both solar installation and broader construction work (e.g., new builds or major renovations).

Scale indicators8 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Sunrun: Largest US residential solar installer with national footprint, offering solar leases, PPAs, and cash purchases plus battery storage. Directly comparable to Allterra's residential solar-plus-storage model, though at vastly greater scale and with significant capital-markets-backed financing arms.
• Freedom Forever: National residential solar installer with strong California presence, offering integrated solar and battery solutions. Comparable to Allterra in product mix and direct-to-consumer sales motion but operating at significantly larger scale across multiple states.
• Momentum Solar: Direct-to-consumer residential solar installer active in California, offering in-house design, installation, and battery add-ons. Closely mirrors Allterra's vertically integrated, sales-led GTM and product offering on a larger geographic footprint.
• Tesla Energy: Tesla's residential solar and Powerwall business, including direct sales of solar roofs, retrofit solar panels, and Powerwall batteries in California. Competes with Allterra head-on in the same California territory, often on projects where Allterra itself is the certified Tesla installer.
• SunPower (Maxeon): Long-standing residential solar installer and panel manufacturer serving California and other US markets with cash, loan, and PPA offerings. Direct competitor in residential rooftop solar with a similar full-service model spanning design, installation, and storage.

Broad incumbents

• Blue Raven Solar: National residential solar installer with a BluePower+ financing product offering zero-down options, operating across multiple states including California. Comparable GTM motion to Allterra but with a corporate-backed financing arm that Allterra accesses through Mosaic and credit-union partners instead.

Emerging players

• Palmetto Solar: Clean technology services platform focused on residential solar with proprietary software and a national installer network. Competes with Allterra in California residential solar but layers in a marketplace/PaaS-style offering that Allterra does not have.

Regional players

• Sullivan Solar Power: San Diego-headquartered residential and commercial solar installer with strong Southern California presence and battery storage offerings. Comparable in service mix and customer base to Allterra, but focused on a different regional geography within California.
• Semper Solaris: California-based residential and commercial solar installer with offices in San Diego, Riverside, and other Southern California markets. Highly comparable to Allterra in product offering (solar + battery + roofing) and family/local-business orientation, though operating in Southern California rather than the Central Coast.
• Baker Home Energy: Long-established Southern California residential solar installer with solar, battery, and roofing services. Comparable to Allterra in full-service residential model and family-owned/local-expert positioning, with similar battery-rebate navigation expertise under California NEM 3.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@Allterrasolar/featured
• LinkedInlinkedin.com/company/allterra-solar/posts/?feedView=all
• Instagraminstagram.com/allterrasolar
• Pinterestpinterest.com/allterrasolar
• Xx.com/allterrasolar
• Facebookfacebook.com/AllterraSolar

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Allterra Solar