Solar Installer Hourly Rate Calculator
Plenty of solar is fitted by company crews — this page prices the other shape of the trade: the independent installer who sells install days to solar firms, or runs small residential jobs directly, sometimes with a labourer whose day is a stated cost of the job. Clients — firms and homeowners alike — rarely buy “an hour of installing”; they buy a system that generates from the day it is switched on: panels square on the rails, cable runs neat, and the paperwork done that lets the system be registered. The panels, inverter and battery are equipment, supplied by the firm or billed as their own line; the rate prices your tickets, your roof craft and your hours. With the honest presets below the rate lands near $105 an hour, $842 for a full day — and the work built from it: a 12-panel roof at about six and a half hours of your labour, $684, about $57 a panel of labour — a battery add-on at about two hours, $211 — with the equipment itself never inside either figure.
The pricing reality for solar installers
The independent installer sells two shapes of work, and both are built from the same hour. Sold to a firm, your install day is a product with a price — and the firm is buying more than hands: your certification, your test gear, your insurance and your name on the paperwork. Run directly, a small residential install is a day or two of roof work wrapped in surveying, structural checks and registration. Price either shape from someone else’s day rate and you inherit their tickets, their kit and their overheads whether they match yours or not. Price the hour first, and days and panels become assemblies of the same honest number.
The invisible half of this trade is paperwork and upkeep. Certification is not a one-off purchase — renewals, scheme fees and refresher training recur, and the install days firms offer depend on them being current. Surveys, grid paperwork and registration are hours inside every job that happen at a desk, not on a roof. Equipment is the mirror-image honesty: panels, inverter and battery are the firm’s supply or a materials line of their own, never folded into a labour rate, where one battery would bend the price of every job around it.
The numbers below are starting presets, not a survey: a $64,000 target income, $11,800 a year of expenses — vehicle and fuel leads, with tools, test gear and access equipment, liability insurance, certification, training and tickets, fixings, cable and consumables, phone, quoting and admin, and harness gear and protective kit — a 25% tax estimate, four weeks of vacation, a 40-hour week and 55% billable time. With those starting numbers the calculator lands near $105 an hour. The presets are annual because the trade is: roofs are fitted in the dry and the daylight, and the rate has to carry the winter as well as the summer diary.
Your numbers — solar installer presets
Your recommended rate
| Income + expenses needed | $0 |
| Grossed up for tax | $0 |
| With profit margin | $0 |
| Working weeks | 0 |
| Total working hours | 0 |
| Billable hours | 0 |
Your rate is saved on this device only, so the Proposal Generator can show it when you price a project.
Costs solar installers forget to put in the rate
- The paperwork half. Surveys, structural checks, grid applications and registration are desk hours inside every install. Unbilled, they come straight off the day the panels were supposed to pay for.
- The tickets’ upkeep. Certification renews, schemes charge and refreshers recur — and firms check before they book you. These costs sit in the expenses presets because the rate is what keeps them current.
- Test gear and access kit. Testers, crimping and torque tools, roof ladders and harness gear wear out and date-expire on a cycle. Kit that is out of date stops the job cold, so the rate carries its replacement before it fails.
- The weather roof. Roofs are fitted in the dry and the daylight. A wet or windy week pushes a booked install into the next one and the diary compresses; the margin carries the sky’s share of the schedule.
- The labourer’s day. Bigger roofs need a second pair of hands, and that day is a cost of the job — stated on your quote, or agreed inside the day rate with the firm. Buried in your hour, it would tax your solo jobs to subsidise the crewed ones.
How this calculator works
Start with the hours you can genuinely sell. Take 52 weeks, subtract your vacation weeks, multiply by your hours per week, then multiply by your billable percentage. With the solar installer presets — four weeks off, 40 hours a week, 55% billable — that is 1,056 billable hours a year: the installing, wiring and commissioning clients can pay for, once surveying, paperwork, travel, weather days and waiting on deliveries have taken theirs.
Next, work out what those hours must bring in. Add your desired income and your annual business expenses together — $75,800 on the presets — gross the total up for tax by dividing by one minus your tax rate — at a 25% estimate, divide by 0.75 to get $101,067 — then add your profit margin to reach $111,173 and divide by your billable hours. That final number, $105, is the rate below which the year stops adding up.
Now translate the hour into the prices the trade actually buys. A full day is the day rate, $842 — the figure behind an install day sold to a firm, with a labourer’s day added as its own stated line where the roof needs one. A 12-panel roof is about six and a half hours of your labour: $684, which is about $57 a panel of labour, with the panels, rails and inverter supplied or billed separately. A battery add-on is about two hours, $211, and a half day is $421. What never works is copying the per-panel price from another installer: their roof, their access and their paperwork load are not yours.
Solar Installer rate questions
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