Power audit worksheet
Untangle the load list before sizing the system.
Most bad solar and battery estimates start with a fuzzy daily watt-hour number. Use this worksheet as the first pass, then send the cleaned-up load picture into the calculators.
Worksheet rule
If it runs daily, it belongs in the audit.
Do not start with the panel kit, battery brand, or inverter size. Start with the devices that actually run: fridge, fans, furnace blower, internet gear, laptop, CPAP, lights, pumps, and the short AC bursts that can overload a small inverter.
Canonical URL
https://www.offgridrvhub.com/tools/power-audit-worksheet
Power audit worksheet
Use this worksheet to estimate where your power budget goes before you add more solar or battery capacity.
Want the reusable version?
RV Power Audit Spreadsheet for $29
Get the reusable spreadsheet, printable summary tab, and planning views that go beyond this free on-page worksheet.
Use the contact flow for asset access, bundle questions, or a custom version.
Audit flow
Work through the loads in the order that prevents expensive guessing.
Step 1
Write down every load that runs daily
Start with the fridge, furnace blower, fans, lights, routers, laptops, CPAP, Starlink, pumps, and anything that stays on overnight.
Step 2
Separate watts from watt-hours
Peak watts matter for inverter sizing. Watts times hours per day is what sizes the battery and solar system.
Step 3
Flag short-burst AC loads
Microwaves, kettles, coffee makers, induction cooktops, and hair dryers may not dominate daily Wh, but they can decide inverter size.
Step 4
Send the cleaned-up number into a calculator
Once the daily watt-hour estimate is credible, use the solar and battery calculators instead of guessing from product listings.
Copy for resource pages
Give people the worksheet before the shopping list.
This is the link to use when an article, forum thread, or club page needs readers to list loads before choosing solar panels, lithium batteries, inverters, or generators.
Markdown
[RV power audit worksheet](https://www.offgridrvhub.com/tools/power-audit-worksheet) - OffGridRVHub's free worksheet helps RVers list daily loads, separate watts from watt-hours, and hand a cleaner number into solar and battery calculators.HTML
<a href="https://www.offgridrvhub.com/tools/power-audit-worksheet">RV power audit worksheet</a> - OffGridRVHub's free worksheet helps RVers list daily loads, separate watts from watt-hours, and hand a cleaner number into solar and battery calculators.Next resources
Once the load list is cleaner, move into the right calculator.
RV appliance wattage data
Use structured wattage ranges for common loads before you make up a daily energy number.
Open resourceSolar calculator
Turn the audited daily watt-hours into panel watts, battery reserve, inverter size, and controller amperage.
Open resourceBattery sizing calculator
Build the appliance list into daily Wh, usable Ah, module count, and bank-layout guidance.
Open resourceRV electrical system diagram
Use the system map when the audit shows confusion between shore power, converter, inverter, batteries, and 12V loads.
Open resource