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Manufacturer of record. Delivered in under twelve months.

Tenarc designs, builds, and delivers IEEE/ANSI-certified power transformers from six manufacturing facilities — on a schedule you control, not one you inherit.

Talk to our team View products
<12 mo
Delivery, most configs
24–36 mo
Industry standard
125,000+
MVA / year
6
Manufacturing facilities
1,200 kV
Maximum voltage class
12+ GW
Solar capacity powered
40+
Export countries
Product Portfolio
Power equipment, built to spec.
IEEE C57, ANSI, and IEC 60076 compliant. From 10 kVA distribution units to 1,000 MVA EHV power transformers. Engineered, manufactured, and delivered deployment-ready.
01

Power Transformers

Generator, auto, interconnecting, and STATCOM transformers. KEMA dynamic short-circuit tested up to 500 MVA. 12 units cleared at CPRI on first attempt.

Up to 1,200 kVUp to 1,000 MVAKEMA DSC
02

Distribution Transformers

Oil-filled, pad-mounted, and hermetically sealed. IEEE C57.12.34 compliant pad-mount designs for US installations. 10 kVA to 12,500 kVA.

Up to 72.5 kVIEEE Pad-MountONAN
03

Inverter Duty / Solar

Multi-winding inverter duty transformers for solar, wind, and storage. 2 to 7 winding configurations. 12+ GW installed globally.

2–7 Winding12+ GWOil & Dry
04

Shunt & Series Reactors

Voltage regulation and harmonic control for EHV transmission. Fuji Electric licensed technology for 400 kV and 765 kV class.

Up to 765 kVFuji License
05

Special Purpose

Furnace (EAF, SAF), rectifier (160 kA DC, 24-pulse), traction, and generator duty. Up to 400 MVA furnace duty.

Furnace / ArcRectifierUp to 400 MVA
06

Green & Packaged

Natural ester fluid-filled transformers up to 400 kV. Unitised packaged substations per IEC 62271-202, up to 6,300 kVA.

Natural EsterPackaged SubsIEC 62271
Markets
Built for the projects powering America.
Data Centers

Hyperscale & Colocation

Scale power infrastructure to match compute demand growth.

Renewables

Solar, Wind & BESS

Connect generation and storage to the grid on schedule.

Utilities

T&D Infrastructure

Replace aging fleet and expand grid capacity.

EPC

General Contractors

Accelerate project timelines with reliable supply.

How It Works
From spec to site. One point of contact.
Tenarc manages every step — engineering review through manufacturing, testing, shipping, installation, and long-term service.
01

Specification & Engineering Review

Voltage class, MVA rating, quantity, standards, timeline. Engineering confirms design, materials, compliance. Budgetary pricing within five business days.

02

Design & Engineering Approval

GA drawings, thermal calculations, impedance analysis, BIL coordination. Submitted for buyer review and approval.

03

Manufacturing

ISO 9001/14001/45001-certified facilities. In-process QC at every stage. Climate-controlled winding with positive air pressure.

04

Factory Testing

NABL-accredited labs. Ratio, impulse, partial discharge, temperature rise, short-circuit withstand. Full test reports provided.

05

Third-Party Inspection

Optional buyer-witnessed or independent audit. Remote video witnessing available for critical tests.

06

Export Packaging & Ocean Freight

Nitrogen-filled maritime packaging. Deep-water ports. West Coast 25–30 days, East Coast/Gulf 35–45 days.

07

US Customs & Compliance

HTS classification, tariff analysis, duty optimization, customs clearance. Landed cost upfront.

08

Last-Mile Heavy-Haul

Route surveys, permitting, escort vehicles, crane coordination. Port to foundation.

09

Installation & Commissioning

Erection, oil processing, bushing installation, insulation testing, energization support.

10

After-Sales & Lifecycle Support

DGA guidance, FRA, field diagnostics, repair, on-site MVPD up to 500 MVA.

Ongoing

Steps 1 through 9. Spec sheet to energized transformer. Under twelve months, for most configurations.

Why Tenarc
Same standards. Different timeline.
IEEE/ANSI certified at the gate. 125,000+ MVA of annual production capacity across six facilities. Delivery timelines three to four times faster than the backlogged incumbents.
US / European OEMTenarc
Lead time24–36 months<12 months
StandardsIEEE / ANSIIEEE / ANSI
Short circuit testingKEMA / lab testedKEMA / CPRI tested
Voltage rangeUp to 765 kV+Up to 1,200 kV
CapacityHeavily backlogged125,000+ MVA/yr · 6 facilities
Compliance & logisticsBuyer managesManaged end-to-end

IEEE/ANSI & IEC Compliant

IEEE C57, ANSI, IEC 60076. Type-tested at KEMA Netherlands, CPRI, ERDA.

NABL-Accredited Testing

In-house labs per ISO/IEC 17025. Routine and type testing up to 1,200 kV class.

40+ Countries Served

Americas, Europe, Oceania, MENA, Africa. Including the USA, UK, Australia, Germany.

End-to-End Delivery

Factory to US site. Packaging, ocean freight, customs, last-mile heavy-haul.

Six Facilities

Gujarat, Rajasthan, Maharashtra, Uttarakhand. 125,000+ MVA/yr combined.

Lifecycle Support

Commissioning, diagnostics, repair. On-site MVPD up to 500 MVA.

Leadership
150+ years in the institutions that built India’s grid.
POWERGRID, NTPC, NHPC, BHEL, DERC. The organizations that built, operate, and regulate India’s national power transmission network.
Mahender Singh
Co-Founder & Director
40+ years spanning POWERGRID, NTPC, and DERC. Most recently Executive Director (Commercial) at Power Grid Corporation of India — 102,000 circuit-km, 170,000 MVA, 100% revenue realization. Project Manager for the world’s first 6,000 MW, ±800kV HVDC multi-terminal line. B.Tech (Electrical) from IIT Delhi.
M.C. Bhatnagar
Advisor
40+ years spanning POWERGRID, NTPC, BHEL. Most recently General Manager at PGCIL, leading R&D including India’s 1,200 kV UHV program. Founding Director of NHPTL. CIGRE, IEC, BIS committee member. 30+ papers at CIGRE, IEC, IEEE. B.E. (Electrical) from MNIT Jaipur.
S.S. Sharma
Advisor
45+ years spanning POWERGRID, NTPC, PTC India, NPC, Torrent Power. Most recently EVP at PTC India — long-term PPAs, tariff negotiations, Case I bidding. At POWERGRID, AGM (Commercial). At NTPC, World Bank/ADB procurement. MBA from FMS Delhi.
Bidyut Kumar
Advisor
35+ years spanning POWERGRID, NHPC, Teesta Valley Power Transmission. Most recently Director (Projects) at TVPTL. At POWERGRID, CGM Telecom — Project Manager for NOFN/BharatNet across five states. Chamera-I (540 MW). PMP. M.Tech (IE) from IIT Delhi.
Anirudh Singh
Advisor
16+ years as a technology investor. Norwest ($9B), Alpha Wave Global, Canaan ($10B). Currently GP at Avataar Venture Partners. MBA from IIM Ahmedabad. B.E. (Electrical) from Thapar University.
FAQ
What buyers ask.
Are your transformers IEEE/ANSI compliant?+
Yes. IEEE C57, ANSI, and IEC 60076. Type-tested at KEMA Netherlands, CPRI, and ERDA. Spec compliance verified before production.
What about import tariffs?+
Tenarc handles tariff analysis and import compliance end-to-end. HTS classification, duty rates, exemptions. Landed cost upfront.
Who handles shipping and logistics?+
Tenarc. Factory to US site. Export packaging, ocean freight, customs clearance, port handling, last-mile heavy-haul.
What is the typical delivery timeline?+
Under twelve months for most configurations. Distribution transformers in 8–16 weeks. Power transformers under 100 MVA in 20–28 weeks plus 4–6 weeks transit.
Can I visit the manufacturing facility?+
Yes. We coordinate facility tours, engineering meetings, and testing capability reviews. ISO-certified facilities with NABL-accredited labs.
What warranty and after-sales support?+
Standard warranty per contract. Commissioning support, diagnostics, repair, on-site MVPD up to 500 MVA. Single point of contact.
How do I get started?+
Send specs: voltage class, MVA rating, quantity, standards, timeline. Budgetary pricing in five business days.
Contact
Twelve months. Not thirty-six.

Share your transformer specs. Budgetary pricing in five business days.

mahender@tenarc.systems
anirudh@tenarc.systems