Generator Sales Commission: How an Electrical Company Keeps Seller Credit When a $10,000 Sale Shows Up as $9,640

A generator sales commission sounds simple until you look at how the sale is actually recorded. A standby generator is rarely sold alone. It usually comes with a maintenance membership, and in most field service software that membership is booked as deferred revenue. The result is a salesperson who closes a $10,000 generator and sees $9,640 on the report. The missing $360 is a membership, and the commission that should go with it can quietly end up with someone else.

That is the exact situation an electrical and generator company walked into while reviewing its incentive plans. The company runs on ServiceTitan, has separate sales, service technician, and install groups, and was validating its payout calculations against what it already pays by hand. Here is what it found, and how it decided to handle it.

The Plans Before the Membership Problem

The company had three plans running side by side, and each was straightforward on its own:

• Service technicians earn $50 for every service lead they generate.
• Salespeople earn 3% of sales, with one salesperson at 5%.
• Installers share 2% of gross-profit dollars on jobs that finish at a 45% gross margin or better, split by time worked on the job.

The install plan is the newest piece. The company's top installers were already pulling ahead: in one month, the leading installer earned $200 more than anyone else on the crew. That is the kind of spread a margin-gated plan is supposed to create, and it is a good sign that the incentive is pointing at the right behavior. For the full mechanics of that structure, see our electrical installer bonus plan case study.

Generator Sales Commission and the $360 That Disappears

The trouble started with memberships. When a generator is sold, the customer can add a maintenance membership. The membership revenue is deferred, so it does not show up as part of the sale. On a $10,000 generator sale with a $360 membership, the seller's report shows $9,640.

That alone is a $360 gap in the commission base, which at 3% is only about $10.80. The bigger issue is who gets credit later. Recurring membership visits are booked as new jobs from the recurring services section, and that booking flow has no sold-by field. A different technician will often complete the first maintenance visit, and the system can credit that person instead of the original seller. The salesperson did the work of selling the membership and has no way to see it come back.

The company's owner put the need plainly: the person who sold the membership should be paid when the membership is first paid for, not months later and not to someone else.

The Fix: A Separate Membership Sold Commission

Instead of trying to untangle deferred revenue, the company decided to pay for the membership sale directly. The new rule is a separate Membership Sold calculation that pays 3% of the membership price, across the installer, service technician, and sales plans, when the membership is sold and initially paid.

Three details of the rule are worth copying:

• Paid on price, not on type. Membership plans vary, so the commission is a percentage of whatever the customer actually bought. A larger plan pays more without anyone maintaining a price list in the incentive plan.
• Earned at initial payment. The bonus is tied to the first payment, which keeps it connected to money the company has collected. It also means the timing matches how most owners already think about when to pay technician commission.
• No second bonus for a correction. Technicians sometimes sell the wrong membership, such as a liquid-cooled plan for an air-cooled generator, and the office has to cancel and resell. The company decided the bonus should not pay twice in that case, and that clear instructions to employees matter as much as the rule itself.

There is a trade-off the company accepted knowingly. A cancel-and-resell can still disturb the sales report, and office-side corrections sometimes get recorded under an administrator's name. A team member was asked to work out how those corrections should keep the right seller attached, which is the unglamorous part of any attribution fix.

Measuring What the Install Plan Costs

The second request from the owner is one more companies should make. The install plan only pays on jobs at 45% margin or better, but the owner wanted to see the effect of those payouts on gross margin across all jobs, including the ones that never qualified. A margin gate protects the jobs it covers. It says nothing about the jobs below the line, and an owner who only sees qualifying jobs can feel safe while the overall number drifts.

The team agreed to look at a monthly view of gross margin that includes every job. That is the right instinct for any plan with a threshold: measure the plan against the whole business, not just the part it pays on. If you want to see how other companies handle a margin floor, our job profit bonus plan story pays on paid job profit instead, with a different set of trade-offs.

Compare Before You Switch

Notice how the company approached rollout. It did not flip every plan on at once. The owner planned to compare the sales and service calculations against what the company currently pays by hand, and to evaluate the install plan through October and November before briefing the crew for a January kickoff. That is a sensible order: confirm the numbers match your own payroll first, then expand.

What to Take From This for Your Own Plan

If you sell generators, or anything else that ships with a recurring service agreement, check three things before your next payout:

1. Look at one real sale. Find a recent generator sale with a membership and compare the invoice total to what your commission report shows. A gap equal to the membership price is the deferral problem.
2. Find out who gets the first visit credit. If recurring visits are booked as new jobs, find out whose name lands on them and whether the original seller can be recovered.
3. Decide when the membership bonus is earned. Tying it to the initial payment keeps it simple and keeps it tied to collected cash.

For more on structuring plans like this, the bonus structure examples guide shows how companies combine flat awards, percentages, and margin gates, and the ShareWillow product features page shows how those rules connect to your field service data.

It is also worth a conversation with your office staff. Most membership problems start at the front desk, when a membership is entered under the wrong name or sold twice, not in the field. A five-minute walkthrough of how a cancel-and-resell should be recorded, and who gets credit afterward, prevents more disputes than any rule written into the plan. Put the instruction in writing, show a real example, and revisit it after the first payout.

As with any plan still in rollout, there are no long-run results here yet. The company has its three plans defined, a membership rule that fixes the attribution gap, and a plan to measure the real margin effect before January. The first result worth noting is the one already visible: a crew where the top installer is earning $200 more than the next, which is exactly the spread the plan was designed to create.

How do you pay commission on a generator sale?

Most companies pay a percentage of the sale, such as 3% for sales staff, and handle the maintenance membership separately. Paying a separate percentage of the membership price when it is initially paid keeps the seller credited even when the membership revenue is deferred.

Why does a generator sale show less than the invoice total?

Membership revenue is usually deferred, so it is recognized over time instead of on the day of the sale. In this story, a $10,000 generator sale showed as $9,640 because $360 of membership revenue was deferred.

Should commission wait until the customer pays?

For most companies, yes. Tying the payout to a paid invoice, or to the first payment on a membership, keeps commission connected to cash you have actually collected and avoids paying on sales that never close out.

Related reading

• Electrical Installer Bonus Plan: How a Contractor Funds a 2% Pool Only on Jobs Above a 45% Gross Margin
• Job Profit Bonus Plan: How an Electrical Company Pays 10% of Paid Job Profit, Split 30% by Level and 70% by Hours
• When to Pay Technician Commission: Completed Date vs. Paid Date, and the $6,600 in Open Balances That Forced the Question
• HVAC Membership Sales Commission: The Capped Spiff That Caught a $440 Payroll Gap