
Overview
We are a professional electrical engineering firm offering expert design and consulting services across Puerto Rico. With a strong focus on quality, safety, and compliance, we serve residential, commercial, and industrial projectsβdelivering tailored solutions that meet every clientβs needs and exceed expectations.
Eng. JosΓ© R. Cartagena Torres
Graduated Cum Laude in 2019 from the University of Puerto Rico β MayagΓΌez Campus (RUM) with a B.S. in Electrical Engineering and a concentration in Power Systems. He is a licensed Professional Engineer in Puerto Rico with experience in electrical design, project management, and technical consulting.He has successfully delivered engineering solutions for construction, pharmaceutical, residential, and commercial sectors. His work is defined by quality, code compliance, and client-focused results.As founder of the firm, he leads projects involving electrical design, load studies, permitting, and engineering support. His commitment to excellence and reliability continues to build trust across Puerto Ricoβs engineering and construction industry.
PORTFOLIO
π Oscar Collazo Residence - Coamo, PR
πCoamo, Puerto Rico
π 2025
π οΈ Overhead Secondary Service Design & LUMA Endorsement
Design of the overhead secondary electrical service for a residential property, including on-site evaluation to define the connection point with LUMA, layout of the aerial service line, and preparation of all documentation for official endorsement. The design was successfully approved and endorsed by LUMA.
β Status: Successfully Completed
π« UNIVERSITY OF PUERTO - HUMACAO CAMPUS
π Humacao, Puerto Rico
π 2025
π οΈ Electrical System Renovation & Load Study
Electrical renovation of the student center at the University of Puerto Rico in Humacao. Scope included redesign of the lighting and power distribution, load calculation, and coordination with the project architect. As-built conditions were evaluated, and field visits were conducted to ensure compliance with NEC codes and campus standards.
π Status: In Progress
π Hamid Residence - San Juan, PR
π San Juan, Puerto Rico
π 2025
π οΈ Medium Voltage Design & Substation Coordination
Electrical design and coordination for the installation of a 150 kVA pad-mounted transformer to serve a high-load residential property. Scope includes medium voltage conduit layout, grounding system design, load calculation, and LUMA service coordination.
π Status: In Progress
OUR SERVICES:
Electrical Design Consulting
Custom electrical system design for residential, commercial, and institutional projects.
Load Studies & Analysis
Accurate evaluations to size electrical systems and ensure NEC compliance.
Permitting & Regulatory Support
Support with OGPe, LUMA, and PREPA submittals and documentation.
Inspections
On-site electrical inspections to verify installation quality and code adherence.
Site Assessments & Evaluations
Technical field evaluations to support planning and upgrades.
Technical Reports & Specifications
Complete engineering documentation and code-compliant technical reports.
Letβs Work Together
Looking for expert electrical design or permitting support? Reach out and let us help bring your project to life.
You can also reach us directly at:
π§ Email: [email protected]
π Based in: Puerto Rico β Serving clients islandwide
Β© 2025 L & C Engineering PSC. All rights reserved.