SolarCleaningBossPro Blog — Billing & Payments

Invoicing Commercial Solar Array Cleanings: Quarterly Visits, Site Labels and Clean Paperwork

A commercial array is a different job from a house. Hundreds of panels on a flat warehouse roof, rows of carport canopies over a parking lot, a ground mount behind a factory fence. The cleaning takes longer, the access is different, and the person who pays the bill has probably never seen the array. That last point shapes everything about how commercial work should be invoiced.

Building on Monthly Statements

Most commercial customers with more than one site do best on the monthly statement described in One Statement, Every Site: Monthly Billing for Property Owners With Many Buildings. This guide covers what goes into the lines on that statement, and how to invoice a single large array cleanly whether it is on a statement or billed per visit.

Who Reads a Commercial Invoice

A homeowner reads their own invoice. A commercial invoice usually passes through several hands: the facilities manager who booked the work, the accounts payable clerk who enters it, and sometimes an owner or manager who approves it. None of them stood on the roof. The invoice has to make sense to all of them.

That means three things matter more than on residential work: the site is unmistakable, the work is described in plain words, and there is proof the work was done.

Pricing Lines for Big Arrays

Commercial arrays are usually priced from the same service list as residential work, just at larger quantities:

• Panel cleaning priced per panel, often at a lower per-panel rate for large counts. A flat roof with easy access is quicker per panel than a steep house.
• Inspection as its own line, since facilities teams often want a visual condition report with every cleaning.
• Critter guards or bird proofing where needed, priced separately and billed once.

Residential story and steep-pitch add-ons rarely apply to flat commercial roofs. In SolarCleaningBossPro the panel details on each job include the mount (roof, ground mount or carport) and pitch, including flat roof, so the card and the invoice both describe the array correctly: “180 panels · Roof · Flat roof · Inspection.”

Quarterly Plans That Come Due on Their Own

Commercial arrays are commonly cleaned quarterly. Set the site on a plan with 90 minimum days between visits and it lands on the Waiting List when it comes due, colored by status: not due yet, due now, or overdue past a 7-day grace. Nobody has to remember that the business park is due in March.

For billing, that means each quarterly visit produces a predictable line. The customer sees the same description and the same price each quarter, which makes approval routine. Many operators run one truck on homes and one on commercial arrays, filtering the Scheduled List by truck so commercial days are planned separately.

Site Labels on Every Line

The most important detail on a commercial invoice is which site the line is for. One client can have many addresses in SolarCleaningBossPro, and on monthly statements each line is labeled with the address. When you name addresses, think about how the customer refers to them. “North warehouse, 400 Industrial Pkwy” is clearer to an accounts payable clerk than a bare street number they do not recognize.

If a customer uses their own building names or numbers, use those. Matching their language means fewer questions and faster approval.

Proof for People Who Were Not There

Before-and-after photos are useful on residential jobs. On commercial jobs they are close to essential. A facilities manager who has to justify the cleaning budget wants to show someone the difference. Have the crew take a consistent set at each site: a wide shot before, the same wide shot after, and close-ups of anything noted in the inspection. Those photos stay with the job and back up each line on the statement.

Job notes help too. “Roof hatch locked on arrival, maintenance opened at 9:20” explains a late start. “Heavy bird droppings on east rows, recommend bird proofing” sets up the next estimate.

Agreements, Re-Cleans and Paperwork

Commercial customers often want terms written down: visit frequency, price per visit, payment terms and what happens when weather wipes out a cleaning. Some operators include a policy for re-cleaning after a dust storm in the agreement. That is covered in Re-Cleans After a Storm: Deciding When to Bill a Second Solar Cleaning Visit.

Keep the agreement simple and keep the invoice matching it. If the agreement says quarterly at a set price per panel, every invoice should show exactly that. When the price changes, change it at renewal with notice, not mid-quarter.

Getting Paid by Businesses

Commercial accounts pay on their own cycle, often monthly. That is fine as long as the statement arrives on time, is easy to approve and goes to the right person. Ask at setup who pays the bills and send the statement to them, not just to the person who booked the cleaning. If an account starts paying late, past-due follow-up by text and email keeps it from drifting.

For the rest of the billing system, from card on file for homes to statements for property owners, see the solar cleaning billing software page.