Business Details
40 Years
experience
Your Trusted Partner for Electric Power Engineering Solutions
Founded in 1986, PLM is a specialized electric power engineering consulting and design firm headquartered in Marlborough, Massachusetts. Our team comprises experienced senior-level engineers with diverse utility engineering, operating, and consulting backgrounds. Over 35+ years, we have completed 700+ design projects and consulting assignments for over 200 clients, including public power systems, rail networks, investor-owned utilities, and educational institutions. Our expertise spans system design, NERC compliance, technical training, and power supply management.We maintain long-term relationships with clients through rigorous quality standards, detailed design packages that minimize construction changes, and tailored solutions addressing permitting, aesthetics, and operational requirements. Our engineers actively participate in industry conferences and standard drafting teams, ensuring clients remain compliant with evolving regulations while optimizing system performance.
Services
System Design
Power Supply Management
NERC Compliance
Technical Training
Additional Services
Details
- Year established: 1986
Highlights and features
- We have completed 700+ electric power engineering projects since 1986
- Our engineers develop detailed protective relay settings for systems up to 345,000V
- We manage over 900 MW of load for utility clients in NYISO and ISO-NE markets
- Our NERC compliance programs include functional registration and audit preparation
- We provide customized technical training for substation operations and relay systems
Services
System Design
PLM provides comprehensive electric power system design for substations, transmission lines, and distribution networks. Our services include turnkey EPC projects and traditional Design-Bid-Build solutions with detailed packages that minimize construction changes. We specialize in protective relay settings, short circuit studies, and coordination for systems ranging from 208V to 345,000V, serving utilities, industrial facilities, and transportation agencies.
NERC Compliance
Our NERC compliance services include program development, functional registration assistance, and audit preparation for transmission owners and load-serving entities. We help clients navigate revised standards, perform self-certifications, and develop critical infrastructure protection plans while participating in industry workshops to maintain regulatory alignment.
Technical Training
PLM delivers customized technical training programs for utility personnel covering substation communications, relay systems, and protection protocols. Our engineers conduct annual training sessions for municipal staff and develop comprehensive curriculum materials, including detailed operating guidelines for traction power systems and new employee orientation programs.
Power Supply Management
We manage over 900 MW of load for utility clients through bid-to-bill services, hourly load forecasting, and resource optimization in NYISO and ISO-NE markets. Our services include invoice verification, market pricing analysis, and long-term power supply planning with financial modeling and contract negotiation support.
Additional Services
Our additional services include power system disturbance analysis, electrical accident investigations, and regulatory compliance support. We provide owner's engineer services, substation documentation reviews, and specialized studies for transformer failures, voltage conversions, and environmental effects on electrical systems.
Questions
What geographic areas does PLM serve?
PLM serves utility clients throughout the Northeast United States, including New England and New York markets.
What types of engineering projects does PLM specialize in?
We specialize in electric power system design, NERC compliance programs, technical training, and power supply management for utilities and industrial clients.
How does PLM handle NERC compliance for clients?
We develop comprehensive compliance programs, assist with functional registration, prepare for audits, and participate in standard drafting teams to ensure regulatory alignment.
What experience does PLM have with substation design?
We have designed substations using GIS equipment, performed voltage conversions, and completed design-build projects with aggressive schedules while maintaining detailed documentation.
How does PLM support power supply planning?
We provide hourly load forecasting, resource optimization, and long-term planning services for over 900 MW of load in NYISO and ISO-NE markets.
What training programs does PLM offer?
We offer substation operations training, relay system courses, and customized programs for traction power personnel with both classroom and field instruction.
