How much does a 26kW standby generator cost installed?

Whole-house standby installs run $9,000–$25,000+ installed per the standby hub's cost ranges — the spread covers unit size, ATS class, electrical and gas work, site prep, and permits. A model-specific turnkey band for this unit is not yet recorded in the dataset.

How much is the Briggs PowerProtect 26kW unit itself?

About $7,000 — a reported band of $6,500–$7,500+ for the 26 kW class (dealer/retailer listings, low-confidence aggregate). Briggs's liquid-cooled 30–60 kW line is a separate category at $10,000–$22,000+.

Is the Briggs & Stratton PowerProtect 26 kW Standby Generator enough to power a whole house?

Largest air-cooled PowerProtect unit, 26 kW class. Whole-house coverage depends on your load calculation; a licensed installer will size it against your panel and largest appliances.

Briggs & Stratton PowerProtect 26 kW Standby Generator cost & price guide

Updated September 2026

Standby generator installed beside a home

The Briggs & Stratton PowerProtect 26 kW runs about $7,000 for the unit — a reported band of $6,500–$7,500+ for the 26 kW class, the largest air-cooled unit in the PowerProtect line. Briggs's liquid-cooled 30–60 kW line is a separate category at $10,000–$22,000+ for the unit. No turnkey installed band is recorded for this model in the dataset; the honest statement is that the model-specific figure is not yet sourced rather than borrowing another model's row.

What you should expect to pay

MSRP: Not published
Unit (est.): $7,000
Installed (est.): —
90-day low: —

Band reported $6,500-$7,500+ for 26 kW (midpoint 7,000). Liquid-cooled 30-60 kW line is $10,000-$22,000+ (separate category).

Confidence: low · Data as of 2026-09-17

MSRP: Not published
Unit (est.): $7,000 (band $6,500–$7,500+, 26 kW class)
Unit + ATS: Not recorded for this row
Installed (est.): Not recorded in the dataset — see the standby hub's installed-cost ranges
90-day low: $6,500
Confidence: low · Data as of 2026-09-17

Cost to install

At 26 kW this is a whole-house unit, and the install scope scales with it: a 200-amp automatic transfer switch, heavier electrical work, the gas plumbing run (larger units need adequate supply pressure), the concrete pad, and the permit. The standby hub prices the full picture — whole-house standby installs run $9,000–$25,000+ installed in 2026 including the automatic transfer switch, electrical work, gas plumbing, site prep, and permits. A model-specific turnkey band is not yet recorded; dealers quote it per site.

Reported prices

$6,500 (low) — Unit only, low end of 26 kW band.

Observation row briggs-powerprotect-26kw (typical_street 7,000; sources: Briggs & Stratton newsroom, Norwall listings).

Specs

Rated Output Kw: 26
Fuel Options: natural gas, liquid propane
Cooling: air-cooled

Where to buy

Electric Generators Direct — Specialist retailer, broad air- and liquid-cooled stock
Home Depot — Generac and other air-cooled models, often in stock
Lowe's — Generac and Briggs & Stratton, in-store pickup
Generac (manufacturer) — Find a certified dealer for installed quotes

Frequently asked questions

How much does a 26kW standby generator cost installed?: Whole-house standby installs run $9,000–$25,000+ installed per the standby hub's cost ranges — the spread covers unit size, ATS class, electrical and gas work, site prep, and permits. A model-specific turnkey band for this unit is not yet recorded in the dataset.
How much is the Briggs PowerProtect 26kW unit itself?: About $7,000 — a reported band of $6,500–$7,500+ for the 26 kW class (dealer/retailer listings, low-confidence aggregate). Briggs's liquid-cooled 30–60 kW line is a separate category at $10,000–$22,000+.
How much does the Briggs & Stratton PowerProtect 26 kW Standby Generator cost installed?: Installed cost depends on site conditions — the transfer switch, electrical work, gas plumbing, and permits typically add 50–60% to the equipment price.
Is the Briggs & Stratton PowerProtect 26 kW Standby Generator enough to power a whole house?: Largest air-cooled PowerProtect unit, 26 kW class. Whole-house coverage depends on your load calculation; a licensed installer will size it against your panel and largest appliances.
What does the Briggs & Stratton PowerProtect 26 kW Standby Generator cost to run?: Running cost depends on fuel and load. On natural gas, expect roughly $20–$60 per day of continuous operation for an air-cooled unit, plus a few dollars a month for weekly self-tests and $200–$500 a year for maintenance.

Related guides

Whole-house standby generator cost — the standby hub: unit and installed cost at a glance, cost drivers, and model-by-model comparisons.
Roof replacement costs — installed cost per square for asphalt, metal, and tile roofs, plus tear-off and pitch.
Roof replacement cost calculator — estimate your own roof by size, material, tear-off layers, pitch, and stories.
Driveway & concrete flatwork costs — asphalt, concrete, and paver pricing per square foot; the same flatwork family as the poured pad your standby unit sits on.

Sources

Briggs & Stratton - New PowerProtect lineup (newsroom) (high reliability)
Norwall PowerSystems - Briggs & Stratton standby generators (medium reliability)

About this data

Prices are aggregated from public dealer and retailer listings and are indicative, not quotes. Manufacturers often do not publish MSRP for dealer-installed equipment.