Standby Generator Calculator & Material Planner

Running load, largest starting surge and selected equipment budget.

How estimates work

Project estimate

Standby Generator Planner

$6,375–$7,331

Material estimate + optional reserve · USD

Planning power allowance
14.4 kW
Working time allowance
1.01 days

16.13 person-hours / 2 people / 8 h per day. Provisional activity rates; adjust in advanced options.

Excludes labor, tax, delivery, equipment rental, permits and site work. Sample prices are not live retailer quotes. Upper budget includes 15% contingency.

Cost breakdown
Equipment
$4,500
Electrical
$1,395
Foundation
$200
Fuel
$280

Shopping list

0 / 5 checked

Whole packages rounded up. Edit a unit price to use your supplier's quote.

Equipment

  • Standby generator allowance

    1 unit

    $4,500

Electrical

  • Designed transfer equipment

    1 unit

    $900
  • Electrical route allowance

    33 ft

    $495

Foundation

  • Generator pad

    1 unit

    $200

Fuel

  • Fuel piping route allowance

    28 ft

    $280

Save this project

Saved on this browser only. No account required.

Assumptions & project notes

  • Material allowance: 10%. Package sizes and coverage rates are editable in the inputs.
  • Use actual running and starting loads and manufacturer motor-start capability. Fuel pipe size and transfer rating require a site-specific design.
  • Check final dimensions, product specifications and any required local approvals before ordering.

Tools & preparation

  • Tape measure, straightedge and level
  • Marking and layout tools
  • Suitable cutting and fastening tools
  • Product-specific preparation and finishing tools

A preparation list; confirm installation tools with your selected products.

How to use the standby generator planner

Start with sum of selected running loads, additional largest coincident start surge, planning margin, length, fuel supply route. The result includes planning power allowance. Open advanced options to match your product sizes, material allowance and labor expectations.

1. Measure and specify

Measure each room or surface and identify openings, edges, fixtures and transitions.

2. Adjust the estimate

Check package coverage, material orientation, pattern alignment and substrate requirements.

3. Prepare your order

Review full-piece cuts and matching accessories; order from consistent product batches where needed.

4. Plan the work

Prepare the surface and follow the product installation and finishing sequence, including drying or curing periods.

Frequently asked questions

What does the standby generator planner estimate?+

Running load, largest starting surge and selected equipment budget. The shopping list includes standby generator allowance, designed transfer equipment, generator pad, electrical route allowance, fuel piping route allowance.

Which assumptions should I check?+

Use actual running and starting loads and manufacturer motor-start capability. Fuel pipe size and transfer rating require a site-specific design.

Are the prices current supplier quotes?+

No. Initial unit prices are illustrative USD budgeting inputs. Enter a price beside each material to use your own quote. The total includes materials only; labor, shipping, taxes, permits and rental are excluded.

Can I save or share my project?+

Save stores the inputs and prices on this browser. Share link includes the configuration in the address so another device can reopen it. Download CSV exports the shopping list, and Print / PDF opens your browser’s print dialog.

Related calculators