Blog

Notes from the roof.

How SuryaSaathi tells smog, dust and faults apart, how it makes vendors fix what they owe, and how it's built on AWS.

How it works8 min read

It’s not the pollution: how SuryaSaathi tells smog, dust and faults apart

Every winter, a drop in rooftop solar output gets the same excuse. Here is how one number, three signatures and a handful of AWS services turn it into a free cleaning.

Read the post
Coming next in the series
  1. 02Modelling expected output from sunlight and haze
  2. 03Reading an inverter screen with a camera clip
  3. 04Chasing vendors: the case workflow on Step Functions
  4. 05Inside the DISCOM console