Transportable Grid Infrastructure, Engineered for Your Site
When permanent substation infrastructure is not ready, Prismecs provides the electrical interconnection your project needs. Our trailer-mounted substation packages combine transformers, switchgear, protection, and distribution equipment into transportable systems. Each mobile substation is engineered around your voltage, load, and deployment requirements, with factory testing completed before shipment.
Prismecs' mobile substation packages are engineered around four primary sections, each designed to function as part of a complete, transportable electrical infrastructure system. It is a fully integrated mobile substation designed for field deployment and grid-level interconnection.
The high-voltage section connects incoming transmission power to the system while providing controlled switching, isolation, and protection for safe substation operation.
This section steps voltage between transmission and distribution levels, with integrated cooling and monitoring for stable operation across changing loads and conditions.
The low-voltage section delivers controlled power to site loads through coordinated distribution, protection, monitoring, and control equipment across the complete system.
The trailer carries the complete substation for road transport and site positioning, engineered around project requirements rather than a standard equipment platform.
A mobile substation bridges the gap between power generation and usable site power. Where permanent electrical infrastructure is unavailable, delayed, or overloaded, it provides the voltage transformation and distribution needed to connect generation to load.
New generation assets, wind, solar, or gas turbine installations, often need to connect to the transmission or distribution grid before permanent substation construction is complete. A mobile substation provides temporary grid interconnection, so generation assets can begin delivering power on schedule.
When storms, equipment failure, or other events damage substation equipment, an emergency mobile substation restores electrical interconnection while permanent repairs or replacement equipment are sourced and installed. Fast transport and connection make mobile substations a practical response to unplanned outages.
Large industrial facilities and manufacturing plants that need additional substation capacity for expansion, turnaround, or load growth use mobile substations to supplement existing electrical infrastructure without permanent construction. A mobile substation for drilling rigs and utility power serves similar roles in oil and gas operations.
Data center developments requiring grid-level power often face utility interconnection delays. A mobile substation for data center applications provides the transformer and switchgear capacity needed to bring power online while permanent infrastructure is under construction.
Utilities managing load growth, aging equipment, or planned maintenance outages deploy mobile substations to maintain grid reliability. A temporary substation bridges critical capacity gaps without requiring a new permanent facility for every service need, providing flexible support where and when required.
Remote generation sites, mobile substations for mining operations, and isolated industrial projects need electrical interconnection that can move with the work. A mobile substation with generator integration connects on-site power sources to facility loads where grid infrastructure does not exist.
A construction-site power substation provides the voltage transformation and distribution needed to support large construction loads until permanent facilities are built. Trailer-mounted substation packages allow electrical infrastructure to deploy alongside the project schedule.
Prismecs starts with the interconnection requirement, not the equipment catalog. Every mobile substation project follows an engineering-driven process that evaluates load, voltage, site conditions, transport logistics, and deployment before equipment selection begins.
Prismecs delivers mobile substation packages for industries and projects where reliable electrical interconnection is essential, and permanent infrastructure cannot keep pace with project timelines or operational demands.
Enabling Reliable, Scalable Infrastructure for Critical Operations
Empowering the Future with Electrified Mobility
Ensuring Reliable, Efficient Solutions for Energy Infrastructure
Powering Healthcare with Uninterrupted Energy Solutions
Ensuring Uninterrupted Power Operations Across Oil & Gas Phases
Scalable Power Solutions for Uninterrupted Operations
Empowering Smooth Connectivity with Scalable Communication Solutions
Enhancing Efficiency and Sustainability in Mining Operations
Our engineering approach comes from packaging high-pressure rotating equipment in the Permian Basin. We apply that same discipline to every mobile substation project. As a mobile substation packager and integrator with integrated engineering, fabrication, and testing, Prismecs controls the process from requirement through deployment.
Our engineering discipline comes from packaging gas turbines for demanding, continuous-duty environments. That same process of thermal management, vibration analysis, enclosure engineering, and transportability applies to every mobile substation system we build.
We select and integrate transformers, switchgear, and control equipment around your project requirements, working across manufacturers rather than designing from a single supplier's product line. You get the right equipment for the application, not a single OEM stock.
Transportability is built into engineering from the first design stage. Trailer dimensions, axle configuration, weight distribution, road logistics, site access, and rapid connection are part of the plan. Whether the project calls for a trailer-mounted substation or a skid-mounted substation, mobility is engineered in, not added on.
We engineer transformers, switchgear, protection, controls, cooling, and trailer packaging as one coordinated system. The result is a mobile substation that arrives ready to connect, not a collection of components that need to be integrated on-site by multiple vendors.
Every system undergoes factory acceptance testing, including transformer and equipment checks, controls verification, protection testing, functional testing, and system integration checks, at our Odessa facility before shipment. Factory testing reduces site integration risk and supports efficient commissioning.
Every package is designed to meet applicable U.S. safety, electrical, fire protection, and transportation requirements as part of the standard engineering scope.
A mobile substation is a fully assembled electrical substation, including a mobile power transformer, high and low-voltage switchgear, protection and control systems, cooling equipment, and auxiliaries, mounted on a purpose-built trailer or configured as a skid-mounted substation for transport and rapid field deployment. It performs the same voltage transformation and power distribution functions as a permanent substation but can be transported to the project site and connected significantly faster than a fixed installation can be built.
A mobile substation receives incoming power at one voltage level, transforms it to the required voltage for the site, and distributes it through switchgear and protection systems to connected loads, the same electrical function as a fixed substation. The entire system is packaged for road transport, allowing it to be deployed and made operational faster than a permanent installation. Some configurations include a mobile substation load tap changer for voltage regulation under varying load conditions without de-energizing the transformer.
Mobile substation cost depends on the mobile substation MVA rating, voltage class, switchgear configuration, protection and control scope, cooling system, and trailer engineering. A standard mobile substation for sale as a catalog configuration will be priced differently than a custom-engineered system designed around a specific interconnection requirement. Whether purchased outright or deployed through a mobile substation lease arrangement, Prismecs provides project-specific pricing based on a complete engineering review of your site requirements.
Mobile substation lead time varies with transformer procurement, engineering complexity, and manufacturing schedule. Mobile substation setup time on-site depends on site preparation, cable routing and termination, and commissioning scope. Factory-built, pre-tested systems are designed to reduce on-site work and compress the schedule from delivery to energization.
Mobile substation transport permits and weight limits depend on the transformer rating, total trailer dimensions, number of axles, and applicable state or jurisdictional transport regulations. Prismecs engineers trailer frame and axle configurations, including multi-axle substation trailer designs with hydraulic steering, to distribute weight, comply with road transport requirements, and reduce permitting complexity. Transport engineering is part of the system design from the beginning.
The mobile substation vs permanent substation decision depends on project timeline, duration of need, and site permanence. Mobile substations are the right choice when permanent infrastructure cannot be built fast enough, when the need is temporary (construction, planned outage, emergency response), or as a transformer shortage alternative when permanent equipment lead times exceed project schedules. For permanent, long-duration loads, a fixed installation is typically more appropriate.
Yes. Prismecs designs and integrates mobile substations in accordance with applicable IEEE C57 transformer standards, including mobile transformer requirements where applicable. Transformer equipment is specified, tested, and integrated based on the project’s required electrical, environmental, and regulatory criteria. Prismecs works with qualified transformer manufacturers on an OEM-agnostic basis, so the selected transformer can meet the required standards and project specifications regardless of manufacturer.
Our mobile substation project starts with understanding your site's voltage, load, interconnection, and deployment requirements. Talk to our engineering team about your temporary grid interconnection, emergency infrastructure, or project power needs, and we'll engineer the right mobile substation configuration for your application.
