Book downloads
Free worksheets, checklists and templates
Everything from the back of Turn Spare Power into Bitcoin, ready to print or fill in on screen. Free to use for your own projects.
Worksheets, checklists and templates
Every worksheet, checklist and template from the book, laid out to print on A4.
- One-page calculator (Chapter 3)
- Full feasibility worksheet and stress test
- Site assessment, buying hardware and commissioning checklists
- 12-month maintenance tracker and final decision checklist
- Site maintenance log, hosting heads of terms and formula sheet
Feasibility workbook
The book's worksheets, with the sums done for you. Type your figures into the yellow cells and the results work themselves out. Works in Excel, Google Sheets and Apple Numbers.
- One-page calculator for up to three machines
- Full feasibility model for your site, with payback and return on investment
- Stress test at a 25% lower hashprice and against the 2028 halving
- Site maintenance log, ready to fill in
Need today's figures?
The Bitcoin Mining ROI Calculator uses the live bitcoin price and network difficulty, so you always start from today's hashprice.
Don't have the book yet?
Turn Spare Power into Bitcoin: A UK Beginner's Guide to Bitcoin Mining with Solar, Wind and Biogas explains every worksheet and checklist on this page, with real UK figures.
Coming soon to Amazon in paperback and for KindleNeed help with your mining project?
We supply Bitmain mining machines, set them up and build the sites they run in, from home sheds to commercial farms running on surplus renewable power.
Get in touchThe worksheets use example figures from 30 October 2026. Bitcoin's price, network difficulty, machine prices and electricity tariffs change constantly, so always use today's figures. For information only, not financial advice.