What SES Solar does

SEG Solar is a privately held, 100% U.S.-owned solar module manufacturer headquartered in Houston, Texas, that designs, manufactures, and sells solar modules through direct domestic sales channels targeting the U.S. solar energy market. The company positions itself as one of the largest U.S.-owned module manufacturers, explicitly leveraging its domestic-ownership status to address procurement-policy concerns around foreign entities in the U.S. solar supply chain. (Data note: a separate firmographic block labels the company as "SES Solar" — Société Énergie Solaire, Geneva, Switzerland, founded 2006, ticker otcpink:SESI, 1-10 employees — but all operational data blocks describe SEG Solar in Houston; this description is based on the substantive operational data.)

SEG's core technology is solar module manufacturing organized around a fully integrated supply chain. This includes a new 4 GW module assembly facility in Houston, Texas (announced 2026-05-07; ~500,000 sq ft; $200+ million investment; up to 800 new jobs; commercial operations expected Q3 2026) and a planned 5 GW ingot and wafer manufacturing facility in Indonesia (construction expected Q2 2026). Together these are intended to bring total U.S. module production capacity to approximately 6 GW and provide end-to-end control from raw silicon inputs through finished panel assembly.

The revenue model is hardware sales of solar modules, distributed through direct domestic sales to enterprise buyers in the U.S. market, supplemented by a strategic cooperation agreement with Indiana-based electrical distributor Kirby Risk (2026-05-07) and an existing licensing arrangement with Arizona-based solar construction firm Erthos. Customer segmentation is horizontal — the broader U.S. solar energy market — with no named end customers, disclosed pricing, or contract values in available sources. The company's current operating base is sub-scale relative to the announced expansion: the Houston facility is not yet in commercial operation as of the latest disclosed dates, and the Indonesia ingot/wafer plant is still pre-construction.

Name

SES Solar

Legal name

SEG Solar

Website

http://www.societe-energie-solaire.com/

Company type

Private

Founded year

2006

Operating status

Operating

Headcount range

1–10 employees

Short description

SEG Solar is a U.S.-owned solar module manufacturer in Houston, Texas, building a fully integrated supply chain from a planned 5 GW Indonesian ingot/wafer facility to a new 4 GW U.S. module factory, targeting the domestic solar energy market.

Ownership category

akta.pro rank

Product category

Solar Products and Technology

NAICS

Solar Electric Power Generation (221114)

SIC

Electronic & Other Electrical Equipment (No Computer Equip) (3600)

akta.pro primary industry

Solar PV Module Manufacturing (Cells, Modules, Thin-Film) (EUAMABAD)

akta.pro secondary industry

Solar Plant Components Supply & Manufacturing (Modules, Cells, Wafers, Mirrors, Heliostats) (EUACAGAK)

Keywords

• Solar product design
• Solar technology development
• Photovoltaic technologies
• Renewable energy products
• Solar energy solutions

Headquarters

HQ city

Geneva

HQ country

Switzerland

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Operations

Revenue model

1. Solar module sales: SEG Solar manufactures and sells solar modules, with its products distributed through domestic U.S. channels. The company is building a fully integrated supply chain spanning ingot, wafer, and module manufacturing to control production from raw materials to finished solar panels.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

SES Solar is engaged in the design and development of solar products and technologies. The company operates from Geneva, Switzerland, and is publicly listed on the OTC Pink market under the ticker SESI. Its activities center on creating solar-related products and technology solutions rather than large-scale manufacturing operations.

Product overview

SEG Solar is a U.S.-based solar module manufacturer offering solar panels and modules produced through its manufacturing facilities. The company operates a product portfolio that includes solar module manufacturing in the United States (with a 4 GW factory in Houston, Texas) and ingot and wafer manufacturing in Indonesia (5 GW facility), enabling a fully integrated supply chain from raw materials to finished solar modules. The company positions itself as one of the largest 100% U.S.-owned solar module manufacturers, with total annual U.S. module production capacity of approximately 6 GW.

Differentiator

Problem solved

Functional benefit

Segments1 record

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Two partnerships are on record, tiered core.

• Kirby RiskcoreStrategic or Co-development Partner · 7 May 2026SEG Solar signed a cooperation agreement with Indiana-based electrical supply firm Kirby Risk. The partnership strengthens SEG's domestic supply chain and distribution capabilities within the United States electrical supply market.
• ErthoscoreOEM/ Whitelabel/ Licensing PartnerSEG Solar has an existing licensing agreement with Arizona-based solar construction firm Erthos. The agreement enables Erthos to utilize SEG Solar's technology and products for solar construction projects.

Scale indicators5 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• First Solar: First Solar is the largest U.S.-headquartered thin-film solar module manufacturer and the flagship U.S.-owned solar manufacturer. It is the most direct comparable to SEG Solar in terms of being a U.S.-owned module producer targeting domestic utility-scale demand.
• Hanwha Qcells: Qcells operates large-scale solar module manufacturing in the U.S. (Georgia), making it a direct competitor to SEG in domestic module supply for U.S. utility and commercial projects, although ownership is Korean (Hanwha).
• Mission Solar Energy: Mission Solar is a smaller U.S.-based crystalline silicon module manufacturer headquartered in Texas. It directly competes with SEG in domestic module production for the U.S. market.
• Silfab Solar: Silfab Solar is a North American (U.S./Canada) premium crystalline silicon module manufacturer, comparable to SEG in targeting high-quality domestic module supply.
• Aptos Solar Technology: Aptos Solar is a U.S.-headquartered solar module manufacturer focused on residential and commercial markets, comparable to SEG in being a domestically positioned module brand.
• Maxeon Solar Technologies: Maxeon designs, manufactures, and sells premium solar panels globally with operations in the U.S. and Asia. It is comparable to SEG as a module manufacturer with global supply chain and U.S. market focus.

Broad incumbents

• JinkoSolar: JinkoSolar is one of the world's largest solar module manufacturers with significant U.S. presence. It competes with SEG in the broader U.S. module market but operates at vastly larger scale from a global manufacturing base.
• Trina Solar: Trina Solar is a global Tier 1 module manufacturer with U.S. distribution and project development, competing broadly with SEG in module supply for the U.S. market.
• JA Solar Technology: JA Solar is a leading global crystalline silicon module manufacturer with growing U.S. presence, competing with SEG in the U.S. utility and distributed generation module market.

Emerging players

• Erthos: Erthos is an Arizona-based solar construction firm that has an existing licensing agreement with SEG Solar. It overlaps with SEG as a downstream channel and adjacent participant in U.S. distributed solar deployment.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks5 records

Key highlights5 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

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 SES Solar