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800 kW Generators Capable of Powering Heavy Manufacturing, Mining Equipment, and Large Facilities

Factories, manufacturing plants and construction sites run on 800 kW generators, which also back up hospitals, data centers and commercial buildings during outages. Remote locations such as mining sites or off-grid installations use them for a consistent power supply.

Built for Off-Grid and Remote Industrial Sites

800 kW is a common anchor size for operations that don’t have grid access at all — remote mining sites, oil and gas installations, and off-grid industrial facilities where the generator isn’t backup power, it’s the only power. That distinction matters for how the unit gets specified: continuous prime-power duty cycles, extended fuel storage, and rugged environmental protection all become more important than they would be for a facility that only runs the generator occasionally during outages.

Load Analysis: Machinery Specs and Surge at 800 kW

Buyers considering 800 kW are often choosing between one large set and a smaller one with room to expand. Compare today’s load total with the load expected once planned equipment is added, since changing generators later is a bigger job than sizing for growth now. Our power calculator helps check the load list. The amperage chart lists an 800 kW generator (3 phase, 80% power factor, 1,000 kVA) at 2,780 A at 208V and 1,203 A at 480V, the same 480V figure on the Generac SD800 sheet.

Diesel Burn and Tank Options at 800 kW

Remote and off-grid sites tend to choose the fuel first and the generator second.

• Diesel: Our diesel fuel consumption chart has no 800 kW row, so an 800 kW unit sits between the 750 kW row (16.3, 27.4, 39.3, and 53.4 gal/hr from 1/4 to full load) and the 1000 kW row (21.6, 36.4, 52.1, and 71.1). Generac’s SD800, a 33.9 L Mitsubishi engine rated 800 kW (1,000 kVA) standby and 720 kW prime, lists 19.5, 34.6, 50.9, and 74.4 gal/hr, with usable tanks of 800 gallons (12 hours) and 1,600 gallons (24 hours).
• Natural gas: No consumption or supply-pressure figure for an 800 kW gas set is shown here, and the diesel chart does not cover gas units. Check the sheet for the exact model, since both vary by maker.

The industrial diesel generators and industrial natural gas generators categories separate the generators by fuel.

Shipping Weight and Footprint of 800 kW Sets

Getting an 800 kW set to a remote site is mostly a matter of weight and footprint. Generac’s SD800 weighs 22,496 lb as an open set and measures 177.7 x 82.6 x 94.0 inches. A weather-protected enclosure, in steel or aluminum, takes the footprint to 235.0 x 98.0 x 170.3 inches, with enclosure weights of 5,553 lb in steel and 4,394 lb in aluminum. Level 1 sound enclosures weigh 8,958 lb in steel and 7,799 lb in aluminum, and Level 2 enclosures run 339.9 x 150.0 x 169.3 inches at 10,137 lb steel or 6,853 lb aluminum. The sheet gives no dB(A) values, so confirm sound levels with the seller. A pad for the set and its tank, plus heavy rigging for delivery, belongs in the site plan.

Why 800 kW Prices Split on Housing Metal and Emissions Tier

The factors that vary between 800 kW units are as follows.

• New or used: Compare new generators with used generators: pricing splits along the new/used line, with a used set’s hours and age adjusting the figure.
• Emissions tier: The SD800 is Tier 2 compliant, and the tier a unit carries affects where it can run.
• Enclosure and metal: Weather-protected, Level 1, and Level 2 enclosures, in steel or aluminum, carry different weights and costs.
• Tank size: A 1,600-gallon tank costs more than an 800-gallon one and doubles the listed runtime from 12 to 24 hours.
• Delivery: Distance and the rigging needed for a 22,000 lb class set are part of the final cost.

An 800 kW quote starts when you contact us.

Workflow Continuity and Automatic Transfer at 800 kW

For 800 kW, the usual duty is holding a large plant or campus together through an outage, then transferring back to the utility once it is stable.

Off-Grid Site or Single Large Facility at 800 kW

A single large facility rather than a fully off-grid site may be covered by our 750 kW generator. Heavier continuous prime-power applications or larger remote operations are where our 1000 kW generator provides margin.

Service Team Backing for Remote 800 kW Sites

For high-capacity needs, Turnkey Industries offers an 800 kW model, used from large industrial facilities to emergency backup. Every 800 kW generator we sell comes with the 30-day IronClad warranty, and our service and maintenance team is available once it is on site. Those commitments come from ten years of selling generators, with inspection before each sale. See the inventory or get in touch.

Generator Capacities Unleashed: Custom Solutions for Varied Industry Needs

Capacities in our range run from 70 kW generators for modest operations to 3,000 kW generators for the largest, with 800 kW in the upper tier.