Why we stopped chasing the perfect tilt
Optimal tilt looks tidy on a spreadsheet. On a real roof it adds racking and cost the extra yield rarely repays.
A year of wind data, and the honest verdict
We logged four ridge sites for twelve months. Two justified a turbine, one was marginal, one we told the owner to forget.
The three faults behind most callbacks
Connector corrosion, a loose grounding lug, and firmware nobody updated. All cheap to prevent, all annoying to fix.
Battery sizing in plain English
Most people buy more battery than they need because nobody asked them what they actually want to keep running.
What the permit actually holds up
Nine to twelve weeks from first call to switch-on, and permits are the only stretch we cannot compress.
When to re-roof before you go solar
If your roof has under five years left in it, putting an array on top is the expensive choice.