Generators that start and run at -50°F so you can get the job done.


ESI Generators are designed and built in Alaska for extreme environments and remote locations. Our generators are tested for reliable cold-weather operations. We offer a wide range of power generation capacities, with models rated from 6 kW to 500 kW.  We can configure your generator to your specifications whether you need a temperature-regulated enclosure, skid mount, or trailer mount.

Re-Air Generator Enclosures

ESI's RE-AIR generator enclosures provide worry-free sub-zero power generation all winter.  Our thermostatically controlled enclosures automatically regulate engine compartment temperature, monitor engine heat output and manage air flow for optimum performance.

Package Generators

If back-up power is what you need, we have the generator enclosure for you. Tier 3 and Tier 4 diesel package generators sit inside a weather proof enclosures and can be available year round, always plugged in and ready to run when you need it to the most. Working with trusted brands like Shindaiwa, Isuzu, JCB and Kubota, we can pull quickly get you outfitted with the right power source for your needs.

Special Application Generators

Oftentimes, working in cold and harsh climates call for unique power needs. For this reason, Custom Gensets are one of our specialties and are relied upon at worksites statewide. Predictable, dependable, safe and rugged, our auxiliary and supplemental power units will never leave you out in the cold.

We Understand Power Needs for Unique Alaskan Environments

10 Kpg Options (4)

Long Run Oil Tanks (LRT)

• Innovative and unique extended run option
• 3,000-hour oil change intervals
• Dual Remote Oil filters
• Reduce maintenance costs and increase engine life


Tier 3 Generators for Rural Alaska

• Ask us about tier 3 generators for rural Alaska
• EPA Tier 4 Exemption for rural Alaska
• Locations not connected to rail belt

Ready to get the job done?