About LJP Energy
LJP Energy is a U.S.-based power infrastructure company supported by established Italian manufacturing operations. With 75+ years of combined leadership experience and 50+ years of manufacturing experience behind our production network, we provide certified three-phase dry-type transformers for data centers, industrial facilities, infrastructure projects, and mission-critical power environments.
Our solutions are built for safety, reliability, and performance, with UL and ISO9001 certified operations, North American compliance support, and transformer options designed to meet demanding project requirements.
75+ Years
Combined Leadership Experience
Our team brings deep experience across sales, market development, manufacturing operations, certification, testing, and quality assurance.
50+ Years
Manufacturing Experience
LJP Energy is supported by a proven transformer manufacturing network with decades of production knowledge and technical expertise.
UL & ISO9001
Certified Operations
Our manufacturing network supports certified processes built around quality, documentation, compliance, and reliable production standards.
86,000 Sq. Ft.
Manufacturing Footprint
Three established facilities support transformer production, quality control, logistics, and scalable manufacturing capacity.

Built to Match Your Project Requirements
No two power projects are exactly the same. LJP Energy works with buyers, OEMs, engineers, and project teams to match transformer specifications to the application, installation environment, and delivery requirements.
-
Custom voltage ratings
-
Copper or Aluminum available
-
Project-specific configurations
-
Data center and infrastructure applications
-
Special enclosure designs
-
Unique mounting configurations
-
Environmental adaptations
-
K-Factor available
-
Harmonic mitigation options
Request a quote and our engineering team will design the perfect solution for your project.
Three-Phase Dry-Type Transformers
LJP Energy supplies three-phase dry-type transformers engineered for safety, efficiency, and reliability in demanding power environments. Built for indoor use and mission-critical applications, our transformer solutions support data centers, industrial facilities, infrastructure projects, and commercial power systems.
Standard Specifications:
-
Ratings: 1 to 2500 kVA three-phase (single-phase available)
-
Frequency: 50 to 60 Hz
-
Temperature Rise: Standard 150°C
-
Insulation Class: 220°C
-
BIL Rating: 10kV on all units
-
Copper and Aluminum available
-
Certifications: UL Listed, CSA Certified
-
Type: Dry-type (air-cooled) construction
-
Warranty: 10-year warranty


With options ranging from standard configurations to custom project requirements, LJP Energy manufactures transformers built to match voltage, capacity, installation, and compliance needs.
Key Features:
✓ Meets North American Efficiency Standards: U.S. - DOE 10 CFR Part 431 (DOE 2016)
✓ Environmentally friendly—no oil, no risk of leaks
✓ Safe for indoor installation near occupied spaces
✓ Low maintenance requirements
✓ Excellent overload capability
✓ Reduced fire hazard
✓ Custom sizes, ratings, and configurations available
✓ 10-Year Warranty on all products
Quality and Testing Built Into Every Transformer
Every transformer is supported by a disciplined testing process designed to verify safety, performance, and reliability before it reaches the field.
Routine
Tests
Standard testing procedures help confirm transformer performance, electrical reliability, and production consistency.
Type
Tests
Type testing supports product validation and confirms that transformer designs meet defined technical and safety requirements.
FAT
Tests
Factory Acceptance Testing gives buyers added confidence before shipment, installation, or project deployment.
Internal UL Approved Test Lab
Testing is supported by an internal UL approved test lab for controlled review and compliance-focused quality assurance.
Calibrated Instruments
Testing equipment and calibrated instruments help ensure accurate measurement, documentation, and dependable results.

Certifications and Compliance






