Building Reliable, Sustainable Energy Systems
Ten years of power and distribution transformers, now full-lifecycle power-plant development plus inverters and battery storage for the energy transition.
- 2014
- Established
- 200+
- Transformers supplied
- 15+
- Provinces served
- 10+
- Years experience
Authorized Distributor
About Us
Building reliable and sustainable energy systems
Established on 22 July 2014, PT Triotama Toya Energi is a national company with more than 10 years of experience supplying power and distribution transformers, along with a wide range of supporting electrical components, for national strategic, industrial, and renewable energy projects.
Built on a strong engineering foundation and long experience across the national power system, we continue to strengthen our competence in inverters and battery energy storage systems (BESS) as part of the integrated electrical solutions increasingly needed in the energy transition.
Vision
To become a quality, engineering-accountable national company in the procurement and operation of power plants, with a global reputation and a commitment to sustainability.
Mission
To be a trusted, continuously innovating company, raising the quality of our people and technology for a real contribution to society while maintaining harmonious relationships with our clients.
Our Journey
From transformers to integrated energy
- 1996
Manufacturing roots
Affiliate PT Sintra Sinarindo Elektrik established, building power and distribution transformers up to 150 kV.
- 2014
Triotama founded
PT Triotama Toya Energi established on 22 July to supply transformers and electrical components nationwide.
- 2014–2024
A decade of supply
Supplied 200+ distribution and power transformers across 15+ provinces, becoming a main supplier of substation components.
- 2024
Energy transition
Expanded into solar PV, battery energy storage (BESS), and EV charging, including DC fast chargers for PLN Icon Plus.
- 2026
Power-plant operator
PLTD Paok Motong (15 MW, Lombok) entering operation, with a pipeline of diesel and mini-hydro projects underway.
Our Services
End-to-end power-plant development
From feasibility to operation, we cover the full lifecycle of a power project, then keep it running.
Feasibility Study & Permitting
Topography, hydrology, geotechnical studies, environmental impact assessment (AMDAL), and end-to-end licensing.
Engineering & Design
Detailed civil and electromechanical engineering, plus distribution-network design.
Construction & Procurement
Construction management that is safe, on schedule, and on budget.
Operation & Maintenance
Operating power plants to high standards and ensuring maximum availability.
Partnership Management
Acting as a strategic partner under cooperation (KSO) schemes with regional utilities (BUMD) or PLN.
Products & Technology
What we deliver
From transformers and substation gear to power plants, storage, and EV charging.
ProductPower & Distribution Transformers
Distribution and power transformers for strategic, industrial, and utility projects, up to 150 kV.
ProductSubstation Components
Main supplier of cubicles, current/voltage transformers (CT/VT), and control panels.
ProductDiesel Power Plants (PLTD)
Development and operation of diesel power plants across Lombok, Sulawesi, and Kalimantan.
Mini-Hydro (PLTM)
Mini-hydro generation, including the Gunung Guruh project with a signed PPA.
ProductSolar PV + Storage
Solar PV integrated with battery energy storage (BESS) for reliable supply.
ProductEV Charging
EV charging infrastructure, including DC fast chargers supplied to PLN Icon Plus.
Industries We Serve
Built for the sectors that power Indonesia
From state utilities to renewable developers, we supply the transformers, components, and systems each sector depends on.
Why Triotama
The value we add
Engineering depth, a holistic view, and a clear commercial model behind every project we take on.
Expert Team
Experienced engineers and professionals across renewable and conventional energy projects.
Holistic Approach
We weigh technical, environmental, social, and economic factors together.
Appropriate Technology
Technology chosen to fit each site's characteristics and kept easy to maintain.
Community Commitment
Harmonious relationships built through open, transparent communication.
Solid Business Model
Clear financing and power-sales schemes that are transparent and profitable.
Portfolio & Experience
A decade of trusted delivery
PLTD Paok Motong
Track record
- Supplied 200+ distribution & power transformers to projects and industries
- Supported electricity projects across 15+ provinces (Java, Kalimantan, Sumatra)
- Main supplier of substation components: cubicles, CT, VT, and control panels
- Trusted partner to national EPCs and major contractors
Project pipeline
PLTD Sambelia
Lombok
PLTD Siboang
Central Sulawesi
PLTD Palasa & Mutong
Central Sulawesi
PLTD Bankir
Central Sulawesi
PLTD Leok
Central Sulawesi
PLTD Salokan
Central Sulawesi
PLTD Beo
Central Sulawesi
PLTD Pinoh
Kalimantan
PLTM Gunung Guruh
Mini-hydro
Solar PV + Battery (BESS)
Multiple sites
EV Charging — PLN Icon Plus
Nationwide
Partners & Affiliation
Backed by world-class technology
We deliver renewable and storage projects alongside leading global technology partners, with manufacturing strength behind our transformer supply.
Part of the Forbes Global 500 SANY Group — integrated source–grid–load–storage microgrid and PV technology.
Listed battery manufacturer (SZ:300438) supplying lithium cells and energy-storage systems for our BESS projects.
Affiliated manufacturer of power and distribution transformers, PLN-approved vendor with ISO 9001/14001 and SMK3.
Quality & Compliance
Certified, compliant, and PLN-approved
Our transformer supply is backed by the certified manufacturing standards of our affiliate, PT Sintra Sinarindo Elektrik.
Quality-managed design, manufacturing, and testing of transformers through our affiliate manufacturer.
Environmentally responsible production processes aligned with the energy transition.
Indonesian workplace health-and-safety management system (Sistem Manajemen K3).
PLN-approved transformer vendor, qualified for national utility procurement.
Contact Us
PT Triotama Toya Energi
Talk to us about transformer supply, power-plant development, or energy-storage projects.
- Jl. Pluit Karang Timur Blok B8 No. 76-77Pluit, Penjaringan, Jakarta Utara 14450Indonesia
- sales.admin@triotamatoya.com
- +62 21 668 4848