Propane and Fuel Delivery Route Billing Software (2026)
Fuel and propane delivery is billed by delivered gallons at a per-gallon price that moves, across keep-full and will-call accounts on a route. ShowTheReceipts ($15/mo) invoices gallons × current price with delivery, tank rental, and surcharge lines, keeps a card on file for residential accounts, and bills commercial customers on terms with the tank and site identified.
How we picked
Entry-plan prices as published in 2026, taken from each vendor's own pricing page or a recent third-party summary. Judged on the small hauler's workflow — per-gallon invoicing, route stops, tank rental and surcharge lines, and payment from both residential and commercial accounts — not on tank-monitor telemetry networks, bulk plant inventory reconciliation, or fuel-tax filing systems built for regional distributors.
| Software | Starting price | Best for |
|---|---|---|
| ShowTheReceipts That's us | $15/mo | Small haulers: per-gallon invoicing, route stops, tank rental, card or terms |
| Invoice2go | $9.99/mo+ | Basic mobile invoicing |
| Wave | Free / $16/mo | Free invoicing with light bookkeeping |
| Kickserv Flex | $19/mo | Budget scheduling with invoicing |
| Cargas Energy | Quote only | Regional distributors with bulk plants and tank telemetry |
The route is planned; the exceptions cost you
Keep-full accounts are the business. They let you plan a full truck across a tight geography and deliver at the lowest cost per gallon you’ll ever hit.
Will-call runs — especially the urgent ones — break that plan, so price them like it.
1. ShowTheReceipts — $15/mo
Gallons × price invoicing, delivery and surcharge lines, tank rental billing, card on file for residential and net terms for commercial.
2. Invoice2go — $9.99/mo+
Basic mobile invoicing.
3. Wave — Free / $16/mo
Free invoices with light bookkeeping.
4. Kickserv Flex — $19/mo
Budget scheduling with invoicing.
5. Cargas Energy — quote only
Built for regional distributors with bulk plants, telemetry, and back-office integration.
The lines a fuel invoice needs
- Gallons delivered × price per gallon
- Delivery / haul charge
- Will-call or off-route premium
- Emergency or same-day delivery
- Minimum delivery charge — below a stated gallon count
- Tank rental — monthly or annual
- Tank set, pickup, or relocation
- Leak test, regulator, or system check
- Hazmat / regulatory surcharge — where applicable
Show the math on every ticket
Gallons, price, total — that’s it. Fuel customers watch the per-gallon number the way nobody watches a plumber’s hourly rate, so an invoice they can check against the meter is one that never turns into a phone call.
Bill the small drop honestly
A 40-gallon fill costs you almost as much to deliver as a 300-gallon one does. A stated minimum delivery charge is standard everywhere in this trade, so set it, publish it, and stop subsidizing the stops that don’t pay for themselves.
Tank rental is quiet, recurring revenue
Billed annually on its own line, it’s about the most predictable money in the business — and it’s also a nice reminder to the customer whose tank they’re using, before someone else offers to fill it for them.
Frequently asked questions
How should a fuel invoice show pricing?
Gallons delivered × price per gallon, stated plainly, with delivery and any surcharges on separate lines. Customers accept a moving per-gallon price; what they don't accept is a total they can't reconstruct from the ticket.
How do I handle will-call versus keep-full accounts?
Different prices and different terms. Keep-full customers get route efficiency and should get the better rate; will-call deliveries — especially urgent ones — carry a premium, because they break the route you already planned.
Should tank rental be billed separately?
Yes, as its own annual or monthly line. Bundling it into the gallon price makes your fuel look expensive and makes the rental invisible right up until a customer switches suppliers and asks who owns the tank.
Do I need tank monitoring software?
Telemetry is a real advantage at scale and a separate category of product. A small hauler running a known route needs accurate per-gallon invoicing, delivery records, and payment — the monitoring can come later.