If your project's electrical bid includes allowances, the number is only as useful as the agreement behind it. An allowance set carelessly does not save money, it just delays the cost to later in the project.
What an allowance is for
An allowance is a placeholder dollar figure in a bid for scope that is not fully defined yet, light fixtures that have not been selected, a panel schedule still being finalized, or finish devices that depend on an interior design decision. It lets a project move to a signed turnkey electrical contract without every detail locked down, as long as both sides agree on what the number covers.
Where allowances commonly appear
Lighting fixtures and controls are the most common electrical allowance, since these are often chosen late in design by an owner or interior designer. Other frequent allowances cover final device plates and finishes, specialty low voltage equipment, and utility connection fees that will not be confirmed until the utility reviews the application.
Setting a realistic number
An allowance set too low looks attractive on a bid summary but guarantees a change order once real pricing comes in. Ask the estimator how the number was built, whether it reflects a real quote for comparable equipment or a rough guess, and adjust it before award if it looks unrealistic.
What happens when the allowance is exceeded
Agree in the contract on how an overage is handled: whether it is billed at cost plus a set markup, or against a schedule of unit prices established at bid time. Without this agreed in advance, an allowance overage becomes a negotiation at the worst possible time, when the owner has already committed to the fixtures or equipment.
What happens when it is not used
The reverse should also be spelled out. If the actual cost comes in under the allowance, the difference should be credited back to the owner. This is easy to agree on paper and easy to forget to apply at closeout, so it is worth tracking allowances as a running line item through the project rather than settling it all at the end.
Allowances vs unit prices
An allowance and a unit price solve different problems. An allowance covers scope that is not yet defined at all, such as fixtures nobody has selected. A unit price covers scope that is defined but whose quantity might change, such as the cost per additional receptacle if the layout shifts. Using a unit price where the item is actually undefined, or an allowance where the item is defined but the quantity is uncertain, tends to produce a number that does not match how the cost actually behaves.
Tracking allowances through construction
Keep a running log of every allowance in the contract, the original amount, what has been committed against it, and the projected final cost. Reviewing this monthly during construction meetings surfaces an allowance heading for an overage while there is still time to make a decision, rather than at the final invoice when the only options left are to pay the difference or argue about it.
Writing the allowance clearly
State what is included in the number: material only, or material and labour. State what is excluded: freight, taxes, disposal. A one-line allowance with no description is where most disputes start.
Allowances on a design-build project
On a design-build project, allowances tend to shrink over time as design decisions firm up, since the same team pricing the allowance is also finishing the design around it. Ask your contractor to revisit open allowances at each design milestone rather than waiting until the drawings are complete, so the budget reflects real decisions as early as possible instead of a placeholder carried the whole way through design.
Talk to Puffin Power
If you are structuring allowances for an upcoming project and want them to hold up through construction, contact Puffin Power. Our design-build team can help set realistic numbers before the contract is signed.
Published 2026-09-23 · About 3 minute read