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Generator Rental in San Antonio (2026 Rates)

Day rate
$80–$600
Week rate
$256–$2,160
Month rate
$680–$5,700
Updated
July 2026
Towable diesel generator set on a single-axle trailer in a sound-attenuating canopy
Photo: Aurora Generators · CC BY 4.0

In San Antonio, a generator rents for about $80–$600 per day, $260–$2,200 per week, or $680–$5,700 per month (2026).

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Generator rental rates in San Antonio (2026, indicative USD).
Size classDay rateWeek rateMonth rate
portable <10kW$70–$90$230–$320$600–$850
20kW$180–$240$590–$850$1,600–$2,200
60kW$300–$380$960–$1,400$2,500–$3,600
Day rate by size class
portable <10kW
$70–$90
20kW
$180–$240
60kW
$300–$380

Indicative day rate ranges. Bars scaled to the highest rate shown.

Generator rental rates in San Antonio

In San Antonio, the portable <10kW class starts at $70–$90 a day and the 60kW class runs $300–$380. Week and month rates in the table work out cheaper per day than stacking day rates. Rates are indicative; confirm exact pricing when you request a quote.

Renting a generator in San Antonio

A generator is hired in San Antonio for temporary power, events, backup power. Suppliers quote either bare rental or delivery with an operator — say which you need when you ask for a price.

Delivery & what’s included

Delivery and pickup are billed separately (typically a per-trip fee based on distance). Confirm fuel policy, damage waiver, and minimum rental period in your quote.

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Frequently asked questions

Which generator size class should I rent in San Antonio?+

The rates above cover 3 classes: portable <10kW at $70–$90, 20kW at $180–$240 and 60kW at $300–$380 a day. Renting the smallest class that will do the job keeps both the day rate and the transport charge down.

Is a weekly or monthly generator rate cheaper in San Antonio?+

Yes. On the portable <10kW class a week costs about 3.3× the day rate and a month about 8.6×, so past a few days it is worth booking by the week, and past two weeks by the month.

What's the cheapest way to rent a generator in San Antonio?+

Book by the week or month instead of stacking day rates, consolidate delivery with other work on the same site, and compare quotes from several San Antonio suppliers.

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