How much does a 22kW standby generator cost installed?

Most 20–22kW installs total $10,000–$18,000 installed per the standby hub's tier bands — the spread covers transfer-switch class, electrical and gas runs, and site prep. The unit-only band for this exact model is below.

How much is the Briggs PowerProtect 22kW unit itself?

About $6,000 — a reported band of $5,500–$6,500 for the 20–22 kW class (dealer/retailer listings, low-confidence aggregate). No ATS adder is recorded for this row.

Is the Briggs & Stratton PowerProtect 22 kW Standby Generator enough to power a whole house?

Upper-mid residential standby generator, 22 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 22 kW Standby Generator cost & price guide

Updated September 2026

Standby generator installed beside a home

The PowerProtect 22 kW — the upper-mid unit in Briggs's air-cooled lineup — runs about $6,000 for the unit, from a reported band of $5,500–$6,500 for the 20–22 kW class. The dataset records no ATS adder and no turnkey installed band for this row, so the installed statement stays open rather than borrowed from another model's row.

What you should expect to pay

MSRP: Not published
Unit (est.): $6,000
Installed (est.): —
90-day low: —

Band reported $5,500-$6,500 for 20-22 kW class (midpoint 6,000).

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

MSRP: Not published
Unit (est.): $6,000 (band $5,500–$6,500, 20–22 kW class)
Unit + ATS: Not recorded for this row
Installed (est.): Not recorded in the dataset
90-day low: —
Confidence: low · Data as of 2026-09-17

Cost to install

Installation is what turns the unit price into a working standby system: the automatic transfer switch, the electrical work between switch and panel, the gas plumbing run, the concrete pad and site prep, and the municipal permit. The standby hub's cost-driver section prices those adds — installation typically runs $4,000–$9,000 on top of the unit, and complex installs with panel upgrades or long gas runs can exceed $10,000. The dataset records no ATS adder and no turnkey band for this row; dealers quote installation per site.

Reported prices

Observation row briggs-powerprotect-22kw (sources: Briggs & Stratton newsroom, Lowe's listings).

Specs

Rated Output Kw: 22
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 22kW standby generator cost installed?: Most 20–22kW installs total $10,000–$18,000 installed per the standby hub's tier bands — the spread covers transfer-switch class, electrical and gas runs, and site prep. The unit-only band for this exact model is below.
How much is the Briggs PowerProtect 22kW unit itself?: About $6,000 — a reported band of $5,500–$6,500 for the 20–22 kW class (dealer/retailer listings, low-confidence aggregate). No ATS adder is recorded for this row.
How much does the Briggs & Stratton PowerProtect 22 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 22 kW Standby Generator enough to power a whole house?: Upper-mid residential standby generator, 22 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 22 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)
Lowe's - Briggs & Stratton home 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.