Solartron
Solartron is a Bangkok-based public company that manufactures multicrystalline silicon solar cells and modules and provides integrated EPC, O&M, and monitoring services for residential, commercial, and industrial customers across Thailand, with select international distribution.
- Company typePublic
- Founded1989
- HeadquartersBangkok, Thailand
- Headcount101–250
- GTM typeB2B and B2C
- OfferingHardware or Manufacturing
What Solartron does
Solartron Public Company Limited (SET: SOLAR) is a Thailand-based solar technology company founded in 1989 that operates a vertically integrated business spanning the manufacture of multicrystalline silicon solar cells and modules, EPC (engineering, procurement, and construction) services, and ongoing operations and maintenance. The core hardware portfolio includes SLT156P4B (4-busbar) and SLT156P5B (5-busbar) multicrystalline silicon solar cells and the SP250-270W and SP290-415W module series, all produced on a German automatic production line with Fraunhofer ISE-calibrated standard cells and 100% in-line optical inspection for shunt resistance and reverse current. Modules carry UL (US), MCS (UK), JIS (Japan), TIS, and CE-Mark certifications, supporting both domestic and international distribution.
The company targets three primary customer segments — residential, commercial, and industrial — selling through direct enterprise field sales, nationwide installation coverage, and a planned e-commerce channel. Pricing is quote-based, with system sizes ranging from 5 kW residential to 1 MW+ industrial rooftop; a 6–7 year payback period is cited for industrial customers with electricity costs above 50,000 THB/month. Customer adoption is supported by an ESCO-backed energy savings guarantee, BOI tax benefits, and a multi-bank financing network (Thai Orix, Kasikorn Bank, Siam Commercial Bank) that enables leasing with as little as 10% upfront investment. Post-installation, Solartron provides a 10-year product warranty, 25-year panel lifespan guarantees, bi-annual O&M site visits, and the SOLARPVONLINE.COM web-based monitoring platform.
Solartron's growth model combines hardware manufacturing margins, project EPC fees, recurring managed-services revenue from monitoring subscriptions, and energy project ownership via four wholly-owned subsidiaries (Solartron Energy 1, 2, 3, and 5) plus the SLT Joint Venture. The capital structure was strengthened in 2024 through a private placement offering to existing shareholders, with SOLAR-W1 warrants outstanding. Notable enterprise customers include Bank of Thailand, Thammasat University, CIMB Thai Bank, Bank for Agriculture and Agricultural Cooperatives, Denso (Thailand), Tesco Lotus (Ek-Chai Distribution System), Boonthavorn Ceramic, Surapon Foods, Caltex gas stations, and Amway Thailand, indicating broad institutional penetration within Thailand while international distribution remains export-led rather than a primary revenue driver.
Solartron firmographics
Firmographics- Name
- Solartron
- Legal name
- Solartron Public Company Limited (บริษัท โซลาร์ตรอน จำกัด (มหาชน))
- Website
- https://solartron.co.th
- Company type
- Public
- Founded year
- 1989
- Operating status
- Operating
- Headcount range
- 101–250 employees
- Short description
- Solartron is a Bangkok-based public company that manufactures multicrystalline silicon solar cells and modules and provides integrated EPC, O&M, and monitoring services for residential, commercial, and industrial customers across Thailand, with select international distribution.
- Ownership category
- akta.pro rank
Solartron industry classification
Industry- Product category
- Solar PV Manufacturing and Rooftop Systems
- NAICS
- Semiconductor and Related Device Manufacturing (334413), Solar Electric Power Generation (221114)
- SIC
- Semiconductors & Related Devices (3674), Electronic & Other Electrical Equipment (No Computer Equip) (3600)
- akta.pro primary industry
- Solar PV Module & Cell Manufacturing (Crystalline, Thin-Film) (EUAMAHAA)
- akta.pro secondary industries
- Solar EPC & Construction (Utility-Scale, Rooftop, Balance of System) (EUAMABAB), Solar Roofing & Roof-Mounted PV Systems (IMADAFAO)
Keywords
Where Solartron is headquartered
LocationHeadquarters
- HQ city
- Bangkok
- HQ country
- Thailand
- HQ region
- Asia
Offices2 records
Markets served
Solartron business model
Business model- GTM type
- B2B and B2C
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Operations, Personnel, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Solar Hardware Sales: Manufacturing and sale of solar cells (SLT156P4B, SLT156P5B) and solar modules (SP250-270W, SP290-415W) for electricity generation
- EPC Services: Engineering, Procurement, and Construction services including site survey, system design, installation, and commissioning of solar PV systems
- Operations & Maintenance: After-sales service and maintenance for solar PV systems with professional team coverage across Thailand
- Energy Monitoring Services: Online monitoring system services for tracking energy savings and system performance
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Unit Pricing | Pay-as-you-go | Solar PV Rooftop Systems |
Go-to-market motion2 records
Distribution channels3 records
Marketing channels3 records
Solartron product offering
Product offeringCore offering
Solartron manufactures and distributes multicrystalline silicon solar cells (SLT156P4B, SLT156P5B) and solar modules (SP250-270W, SP290-415W) in Thailand using a German automatic production line. It sells these as standalone hardware products and bundles them into complete Solar PV Rooftop Systems, complemented by full EPC services (site survey, system design, installation, commissioning) and after-sales operations and maintenance with an online monitoring platform.
Product overview
Solartron is a one-stop-service solar technology company offering a vertically integrated portfolio of solar products and services. Its core product lineup comprises silicon solar cells (SLT156P4B 4-busbar and SLT156P5B 5-busbar) and solar modules (SP250-270W and SP290-415W series), all manufactured in Thailand using German automatic production line technology. These are sold as standalone products and bundled into complete Solar PV Rooftop Systems for residential, commercial, and industrial segments. The portfolio is supported by engineering services (survey, design, installation, and O&M), an online Solar Monitoring System, and the SOLARPVONLINE.COM web platform. The company serves customers across Thailand with nationwide installation and after-sales maintenance capabilities.
Differentiator
Problem solved
Functional benefit
Products and services
- SLT156P4B Solar Cell Multicrystalline silicon solar cell with 4-busbar (4BB) design, featuring 100% in-line optical inspection, shunt resistance testing, and hot-spot prevention, with reference cells calibrated by Fraunhofer ISE Germany. Sold as a standalone hardware component for module assembly.
- SLT156P5B Solar Cell Multicrystalline silicon solar cell with 5-busbar (5BB) design, featuring optical inspection, shunt resistance testing, and hot-spot prevention, calibrated by Fraunhofer ISE Germany. Sold as a standalone hardware component for higher-efficiency module assembly.
- SP250-270W Solar Module Multicrystalline silicon solar module in the 250–270W power range, featuring 5-busbar (5BB) cell technology, designed for residential, commercial, and industrial rooftop applications. Sold as a standalone hardware product.
- SP290-415W Solar Module Multicrystalline silicon solar module spanning 290W to 415W power output, designed for residential, commercial, and industrial rooftop installations. Sold as a standalone hardware product.
- Solar PV Rooftop System Complete solar photovoltaic rooftop system that converts sunlight into electricity via solar modules and grid-tie inverters, for self-consumption or selling electricity to MEA/PEA. Key components include Solartron solar modules, mounting structures, DC/AC junction boxes, and grid-tie inverters. System sizes range from 5 kW to 1 MW+ for residential, commercial, and industrial customers.
- Survey, Design, Installation and Maintenance Services Engineering services covering site survey, system design by expert engineers, installation with quality components, and after-sales maintenance including system checks every 6 months, delivered nationwide in Thailand by Solartron's professional technical teams.
- SOLARPVONLINE.COM Monitoring Platform Web-based online monitoring platform (SOLARPVONLINE.COM) enabling customers to check energy savings and solar system performance from anywhere at any time.
Quantifiable outcome
- 25-year panel lifespan with efficiency degradation not exceeding 20% within first 20 years
- +3 more outcomes
Companies that use Solartron
Customer profileNamed customers10 records
Segments4 records
Ideal customer profiles4 records
Solartron technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature5 records
Solartron partnerships and signals
Strategic signalScale indicators4 records
Recent moves6 records
Expansion highlights6 records
Solartron competitors and assessment
Company assessmentDirect peers
- BCPG: SET-listed Thai renewable energy arm of Bangchak Corporation (SET:BCPG). Comparable as a Thailand-focused renewable/solar energy operator and developer with utility and commercial project exposure.
- Gunkul Engineering: SET-listed Thai electrical contractor and solar power developer (SET:GUNKUL). Compares as a domestic Thailand-based solar EPC and equipment provider serving commercial and industrial customers.
- Energy Absolute: SET-listed Thai renewable energy company (SET:EA) operating across solar power generation, biofuels, and EV/battery businesses. Highly comparable as a domestic Thai energy platform with overlapping solar customer segments.
- Symbion Energy: US- and Asia-based solar and storage EPC/developer with Southeast Asian project exposure. Comparable as a regional solar EPC focused on commercial and industrial customers with project execution capabilities.
Broad incumbents
- JA Solar: Global Tier-1 solar cell and module manufacturer. Comparable product category (crystalline silicon PV modules) with overlapping export channels into Asia, EU, and US markets.
- JinkoSolar: Global Tier-1 solar module and cell manufacturer with vertically integrated production. Overlaps with Solartron on crystalline silicon cell and module offerings and on multi-regional export certifications.
- Trina Solar: Global Tier-1 solar module manufacturer with vertically integrated cell and module production. Directly comparable on product (crystalline silicon modules) and adjacent on scale and export reach.
- Canadian Solar: Global solar module manufacturer and project developer with vertically integrated cell-to-system operations. Overlaps with Solartron on module manufacturing and utility/commercial-scale solar project execution.
- LONGi Green Energy: World's largest monocrystalline silicon wafer and module manufacturer. Comparable as a crystalline silicon cell/module producer, though substantially larger and on a more advanced technology roadmap.
- First Solar: Global thin-film solar module manufacturer and large-scale project developer. Compares as a multinational solar module/PV company operating in adjacent (thin-film) technology stacks, competing in overlapping utility and commercial segments.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks5 records
Key highlights5 records
Customer concentration
Solartron social profiles
Digital presenceSolartron compliance and trust
Trust signalCompliance20 records
Solartron financial estimates
Financial estimateRevenue estimate
Valuation estimate
Solartron leadership team
Management profileNumber of profiles
Profiles5 records
Solartron subsidiaries and ownership
Company hierarchySubsidiaries5 records
Solartron funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Solartron 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 Solartron
What does Solartron do?
Solartron manufactures and distributes multicrystalline silicon solar cells (SLT156P4B, SLT156P5B) and solar modules (SP250-270W, SP290-415W) in Thailand using a German automatic production line. It sells these as standalone hardware products and bundles them into complete Solar PV Rooftop Systems, complemented by full EPC services (site survey, system design, installation, commissioning) and after-sales operations and maintenance with an online monitoring platform.
Is Solartron a public or private company?
Solartron is a public company. It is classified as public and is currently operating.
When was Solartron founded?
Solartron was founded in 1989. It employs 101 to 250 people.
Where is Solartron based?
Solartron is headquartered in Bangkok, Thailand, in the Asia region.
How does Solartron make money?
Four revenue lines are on record. Solar Hardware Sales are the primary driver. The others are EPC Services, operations & Maintenance and energy Monitoring Services.
Who are Solartron's main competitors?
Direct peers on record are BCPG, Gunkul Engineering, Energy Absolute and Symbion Energy. Broad incumbents are JA Solar, JinkoSolar, Trina Solar, Canadian Solar, LONGi Green Energy and First Solar.
Does Solartron have an API?
No public API is recorded for Solartron.
What industry is Solartron in?
Solartron's product category is Solar PV Manufacturing and Rooftop Systems. Its primary akta.pro industry code is EUAMAHAA, Solar PV Module & Cell Manufacturing (Crystalline, Thin-Film), with a secondary code of EUAMABAB, Solar EPC & Construction (Utility-Scale, Rooftop, Balance of System). Its NAICS code is 334413 and its SIC code is 3674.