The spreadsheets you keep rebuilding
Every solar engineer ends up writing the same cable calculation twice a year. These are those files, already built, with the formulas exposed so you can check them and change them.
Sized for projects between 1 and 5 MW, covering the technical calculations, quantity takeoffs, cash flow, and financial analysis.
What is in the bundle
| File | What it does |
|---|---|
| Project Schedule | Full timeline for the project phases. |
| AC Cable Calculations | Sizing AC cable cross sections. |
| Cable Length Calc | Cable run lengths between components. |
| DC Voltage Drop Calc | Voltage drop across DC circuits. |
| 3 MW BOQ & Financial Model | Quantities and a full financial study for a 3 MW plant. |
| DC Earthing Calculations | Earthing calculations for the DC side. |
| DC Power Losses Calculations | Loss analysis on the DC side. |
| Project Cash Flow | Annual cash flow model. |
| Financial BOQ Model | Cost and revenue estimate over 25 years. |
Why they are worth having
- Fully editable. No locked cells, no hidden sheets.
- Built for the 1 to 5 MW range, which is where most commercial work sits.
- Makes feasibility studies and technical submissions faster to assemble.
- Formatted to print and present without reformatting.
- Used by engineers, developers, and consultants.
Details
| Item | Detail |
|---|---|
| Format | XLSX (Excel). |
| Project size | 1 to 5 MW. |
| Use | Feasibility studies, design, technical and financial proposals. |




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