Sundaya

What Sundaya does

Sundaya is a private Indonesian solar energy equipment manufacturer founded in 1993 and headquartered in Bogor, West Java, with operations in Indonesia (Sentul), China (Xiamen), Singapore, and Sweden. The company designs and manufactures personal solar energy solutions and lithium-based energy storage systems targeted at off-grid and weak-grid households, utilities, and small businesses in developing markets.

Sundaya's core technology is built around LFP (Lithium Iron Phosphate) battery storage under the Talis series (5.5 kWh to 30.8 kWh residential and microgrid systems), with 5,000-cycle lifespan ratings and RS485 communication protocol integration. The product architecture is modular and plug-and-play, enabling consumer-level installation without specialized electrical labor. The portfolio spans pico-solar portable lighting (JouLite, T-lite, Ulitium), the JouleBox solar home system, the JouleStick modular personal energy module, and the JouleTech smart meter deployed with Indonesia's state utility PLN. Manufacturing is conducted in Sentul, Indonesia and Xiamen, China via Sundaya Clean Energy Co. Ltd, with engineering teams distributed across Indonesia, Singapore, Sweden, and China.

Sundaya operates a B2B hardware sales model with no direct consumer sales force; revenue is generated through unit sales of batteries, solar modules, and accessories via six regional distribution partners: Enersol (Latin America), ETA-max (Middle East), Life Energy (Southeast Asia), Pal Solar (Palestine), Phaesun (Europe and Africa), and Total's fuel station network (primarily Africa). The company does not publicly disclose pricing, revenue, or financial statements, and the SundayaOne customer portal is positioned as an ecosystem layer but has no disclosed monetization model.

Name

Sundaya

Legal name

Sundaya

Website

https://sundaya.com

Company type

Private

Founded year

1993

Operating status

Operating

Headcount range

11–50 employees

Short description

Sundaya is an Indonesian private manufacturer of LFP battery storage systems, modular solar home systems, and portable solar lighting for off-grid and weak-grid households, utilities, and small businesses across Africa, Asia, Latin America, the Middle East, and Europe.

Ownership category

akta.pro rank

Product category

Solar Energy Equipment

NAICS

Electrical Equipment Manufacturing (33531), Electrical Equipment, Appliance, and Component Manufacturing (335), Electric Lighting Equipment Manufacturing (33513), Electric Lighting Equipment Manufacturing (3351), Solar Electric Power Generation (221114)

SIC

Electronic & Other Electrical Equipment (No Computer Equip) (3600), Electric Lighting & Wiring Equipment (3640)

akta.pro primary industry

PV Balance of System (BOS) & Electrical Infrastructure (Inverters, Transformers, Cabling, Substations) (EUACAGAC)

akta.pro secondary industries

Solar Inverters, Power Optimizers & MLPE Manufacturing (EUAMAHAB), Solar Mounting, Racking, Trackers & Structural BOS Manufacturing (EUAMAHAC), Solar Balance-of-System Components (Cables, Combiner Boxes, Switchgear, Transformers) (EUAMABAG)

Keywords

• Solar energy storage
• Off-grid solar systems
• Lithium battery storage
• Solar home systems
• Portable solar lights

Headquarters

HQ city

Kabupaten

HQ country

Indonesia

HQ region

Asia

Offices3 records

Markets served

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

1. Solar Energy Storage Systems: Sale of battery energy storage systems (Talis series) for residential, commercial, and industrial applications. Systems support off-grid and hybrid solar configurations.
2. Personal Solar Kits: Sale of modular personal energy solutions including JouleStick, JouleBox, JouLite, T-lite, and Ulitium products for individual and household solar applications
3. Smart Metering Solutions: JouleTech smart meters for utility companies (PLN) to monitor power quality, detect theft, and optimize network performance

Go-to-market motion1 record

Distribution channels2 records

Marketing channels2 records

Core offering

Sundaya manufactures and supplies solar energy equipment, including LFP battery energy storage systems (Talis5, Talis7, Talis30), modular personal solar kits (JouleStick, JouleBox), smart meters (JouleTech), and portable solar lighting (JouLite150, T-lite180, Ulitium200). Products are designed for off-grid and hybrid solar configurations in residential, commercial, industrial, microgrid, and utility applications. Manufacturing occurs in Indonesia and China, with global sales through regional distributors and the Total fuel station network.

Product overview

Sundaya offers an integrated portfolio of personal solar energy solutions anchored by the Talis battery storage series (Talis5, Talis7, Talis30) ranging from 5.5 to 30.8 kWh for homes, businesses, and microgrids. The Joule product family provides smart energy management through the JouleTech smart meter for utility monitoring, the JouleStick modular personal energy system, and the JouleBox solar home system with appliances. Supporting products include portable solar lights (T-lite180, Ulitium200, JouLite150) for basic lighting needs. All products are developed by engineers across Indonesia, Singapore, Sweden, and China, with manufacturing in Indonesia and China, targeting regions with poor electrical infrastructure.

Differentiator

Problem solved

Functional benefit

Products and services

• Talis5 5.5 kWh LFP battery for reliable solar storage with a 5,000-cycle lifespan, RS485 communication, and support for up to 16 units in parallel. Designed for homes and small businesses needing compact, safe, stackable energy storage.
• Talis7 7.36 kWh lithium battery with 5,000-cycle durability, advanced protection features, and high discharge current. Designed for off-grid or hybrid solar systems with parallel stacking capability for higher capacity.
• Talis30 High-voltage 30.8 kWh battery system with 110V output and 280Ah capacity. Built for industrial and microgrid use with full protection systems and stackable design for scalable commercial installations.
• JouleTech Smart Meter Smart meter for residential customers enabling PLN (Indonesian electricity utility) to monitor power quality, detect electricity theft, and optimize network performance using the PLN standard communication protocol for easy integration and flexible deployment.
• JouleStick Modular personal energy system whose energy module plugs directly into solar panels, light attachments, and phone chargers without cables. The modular design allows for granular, flexible expansion.
• JouleBox Solar home system based on lightweight, highly efficient lithium-ion batteries with a growing range of energy-efficient appliances, ranging from lights to ceiling fans and TVs. The innovative plug-and-play installation system allows the end user to install and reconfigure the system.
• JouLite150 Solar light system with integrated charging of USB devices such as mobile phones. Integrated energy storage of 30 kJ combined with the most efficient conversion of electricity to light gives over 60 hours of illumination.
• T-lite180 Ultra-high efficiency LED solar light with an integrated lithium-ion battery and energy management electronics. Delivers 180 Lumen for over seven hours or 75+ hours at 15 Lumen. Controlled by a touch switch with dimmer functionality and can be hung, stood on a table, or used as a torch.
• Ulitium200 Ultra-high efficiency LED solar light with an integrated lithium-ion battery and energy management electronics. Delivers 240 Lumen for over six hours or 60+ hours at 25 Lumen. Controlled by a pull switch with adjustable cord length.

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Six partnerships are on record, tiered regional and major.

• EnersolregionalChannel Partner/ Reseller/ DistributorEnersol distributes Sundaya systems in South and Central America, serving as the exclusive or primary distribution partner for the region.
• ETA-maxregionalChannel Partner/ Reseller/ DistributorETA-max brings Sundaya's solar kits to the Middle East region, handling distribution and sales within their territory.
• Life EnergyregionalChannel Partner/ Reseller/ DistributorLife Energy distributes Sundaya systems in the Southeast Asian region.
• Pal SolarregionalChannel Partner/ Reseller/ DistributorPal Solar is distributing Sundaya products in Palestine.
• PhaesunregionalChannel Partner/ Reseller/ DistributorOffgrid experts Phaesun in southern Germany distributes Sundaya systems in Europe and Africa, leveraging their expertise in off-grid solar solutions.
• TotalmajorChannel Partner/ Reseller/ DistributorTotal is distributing Sundaya systems through their extensive network of fuel stations, mainly on the African market. This represents a major channel partnership with a global energy company.

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Phocos: Germany-based manufacturer of off-grid solar charge controllers, lighting, and hybrid inverters. Comparable as a manufacturer of solar energy components for off-grid and emerging-market applications, also partnered with Sundaya's European distributor Phaesun.
• d.light: Pay-as-you-go off-grid solar provider serving households in Africa and South Asia with solar lanterns, home systems, and appliances. Directly comparable in product portfolio, target customer (off-grid emerging-market households), and PAYG/retail distribution model.
• Fenix International (Engie): Acquired by Engie, Fenix distributes PAYG solar home systems (ReadyPay) primarily in Uganda and East Africa. Directly comparable in PAYG solar home systems and emerging-market distribution partnerships.
• BioLite: Designs and manufactures clean energy products including solar home systems, chargers, and biomass cookstoves for emerging markets. Comparable in modular plug-and-play solar product philosophy and off-grid household targeting.
• M-KOPA: Leading PAYG solar home system operator in East Africa offering smartphones, lighting, and energy products on credit. Comparable in off-grid solar home systems, modular product architecture, and emerging-market customer base.
• Sun King (Greenlight Planet): Global off-grid solar energy company selling lanterns, home systems, and clean cookstoves through a PAYG and retail dealer network in Africa and Asia. Highly comparable product mix and channel-partner-led GTM.
• Azuri Technologies: UK-based PAYG solar home system provider focused on sub-Saharan Africa with a direct-to-consumer distribution model. Directly comparable in off-grid solar kits and PAYG financing structure.

Others

• Phaesun: German off-grid solar specialist and Sundaya's distribution partner in Europe and Africa. Comparable as an off-grid solar distributor and system integrator serving emerging markets; relationship is both partnership and competitor in adjacent product categories.

Broad incumbents

• Schneider Electric: Global energy management and automation incumbent offering solar inverters, storage, and microgrid solutions across residential, commercial, and utility segments. Comparable as a broad incumbent in solar electrical infrastructure, though much larger and more diversified than Sundaya.
• Signify (Philips Lighting): Global lighting incumbent with a strong presence in solar-powered LED lighting for off-grid markets. Comparable in solar lighting product category and emerging-market distribution, though operating at vastly greater scale.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

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 Sundaya