How AHJ Review Works for Residential Solar Permits
Every solar permit goes through an Authority Having Jurisdiction. Here is what reviewers look for and how a clean plan set avoids revision rounds.
5 min read
Solar knowledge, structured.
Practical guides on solar design, permitting and engineering from the RVR team.
What Goes Into a Residential Solar Plan Set
From the site plan to the single-line diagram, a walk through the sheets that make up a permit-ready residential PV design.
6 min read
When Does a Solar Project Need a PE Stamp?
Some jurisdictions accept a drawing set as is, while others want a licensed engineer's stamp on the structural or electrical sheets. Here is how to tell.
4 min read
Planning EV Charging at Home and at Work
Level 2 chargers need dedicated circuits, the right location and often an electrical panel check. A short guide to planning before you buy.
5 min read
Rooftop Solar for Commercial Buildings: Design Basics
Flat roofs, rooftop equipment and larger loads change how commercial arrays are designed. The main things to get right at the start.
6 min read
Solar Thermal vs Solar PV: Which Should You Choose?
Both use the sun, but they solve different problems. A plain comparison of solar water heating and photovoltaic power.
4 min read