Powering Possibility. Built for the Frontier.
Mobile Gas Turbine Generators for Power That Has to Arrive Fast
There are moments when a permanent power station is years away and the load cannot wait. A new mine needs to start processing ore, a city has lost a substation, a data campus is ready before its grid connection, or a plant shutdown has to be covered for a season. A mobile gas turbine generator exists for exactly those moments: a complete power unit on trailers that can be driven to site, connected and running in a fraction of the time a fixed plant takes.
USP&E supplies, moves, installs and operates these units. Our guide to mobile gas turbines covers the technology in depth. This page explains how a deployment works and what decides whether it succeeds.
What a mobile unit includes
A typical package splits into a few road-legal trailers: the turbine and generator on one, controls and switchgear on another, with auxiliary skids for fuel, lube oil and cooling. Air intake and exhaust stacks fold for transport. Because the packages are designed to travel, the civil works on site are modest: a levelled, compacted pad, a fuel supply and a connection point. The best known example is the aeroderivative class covered in USP&E’s TM2500 explainer.
Where mobile turbines earn their keep
| Situation | Why a mobile unit fits | Typical duration |
|---|---|---|
| Bridge power for a new campus or mine | Starts production before the grid or permanent plant is ready | Months to a few years |
| Grid emergency or disaster recovery | Restores supply quickly while repairs are made | Weeks to months |
| Planned outage cover | Replaces a plant or substation taken offline for maintenance | Weeks |
| Remote and seasonal loads | Moves on when the job or season ends | Variable |
Disaster work has its own demands, from damaged roads to unreliable fuel deliveries; our note on temporary turbines for disaster relief explains how we plan for them. Mining camps are a different case again, covered in trailer-mounted turbines for mining camps.
Rent or buy?
The answer depends on how long the power is needed and what happens afterwards. Short needs usually favour rental, because the unit leaves when the job ends. Longer needs, or plans to redeploy the unit on another site later, often favour ownership. We set out the trade-offs in renting versus buying a mobile turbine, and USP&E’s rental and bridge power service covers the rental route in detail.
The details that decide a deployment
- Ambient conditions: hot air is thin air, so output falls as temperature rises. Our note on derating in desert heat shows how to size for the hottest afternoon, not the average day.
- Fuel: natural gas where a pipeline or LNG supply exists, liquid fuel where it does not, with storage and delivery planned before the unit ships. See fuel logistics for mobile turbines.
- Permits: emissions, noise and road movement permits often take longer than the equipment, so we start them first; the emissions permitting checklist lists what regulators usually ask for.
- Several units together: larger loads need more than one package, sharing load and backing each other up. Layout and controls are covered in multi-unit farm layout and synchronising mobile packages.
From order to first power
- Load study and site visit: what must be powered, how it behaves, and where the units will stand.
- Unit selection from available equipment, including checks on hours, overhaul history and condition.
- Transport plan: heavy-haul routes, escorts, port handling and lifting.
- Installation: pad, fuel connection, cabling and protection settings agreed with the grid or site operator.
- Commissioning and handover, followed by operation by our crews or the owner’s, as agreed.
Units held by USP&E can be reviewed against turbines currently in inventory, and we will confirm availability and condition for a specific project.
The team behind the trailers
In its 24+ years the company’s teams have taken 150+ power projects in 45+ countries, many on sites where power was needed yesterday. We work by Speed with Excellence and Extreme Ownership: one team answers for the unit from the yard to the last day on site. Engineers working out of Johannesburg, Cape Town, Knoxville, Colorado Springs, London and Wuxi have supported deployments from desert heat to tropical rain.
Questions about mobile gas turbines
How quickly can a mobile gas turbine be running?
Once permits, fuel and a prepared pad are in place, installation and commissioning typically take days to a few weeks. Transport and permitting usually set the overall timeline, so they are planned first.
What fuel does a mobile gas turbine use?
Most units run on natural gas, and many can also burn liquid fuels such as diesel. The choice depends on what can be delivered reliably to the site.
Is a mobile turbine better than diesel generators?
For larger loads a single turbine package replaces many diesel sets, with a smaller footprint and lower emissions on gas. For small or short-lived loads, diesel sets are often simpler. We compare both for each project.
Can a mobile unit be moved to another site later?
Yes. Redeployment is one of the main reasons owners choose mobile packages. The unit is inspected, packed for transport and recommissioned at the new site.
Plan a mobile power deployment
Send us the load, the site location, the fuel available and the date power is needed. We will reply with a deployment concept and an honest view of the programme. Speak to our mobile power team. For urgent requests, phone +27 10 822 2324; site drawings and load data can be sent to info@uspeglobal.com.
Powering Possibility. Built for the Frontier.