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Meter testing & commissioning (discom) — documents, timeline & process
R5 · Pre-commissioning · ~21 days (indicative)
The discom lab tests your bi-directional/smart meter, installs it, and issues the commissioning certificate — the last routine step before your system goes live.
Meter lab testing → installation → joint inspection → portal commissioning certificate.
Solar PV (rooftop)
Statutory basis & authority
| Statutory basis | CEA Metering Regulations 2006 (amended) |
|---|---|
| Authority | Discom metering lab / section office |
| Department | Discom (distribution utility) |
| Indicative timeline | ~21 days (verify with the authority) |
| Fees | Meter + testing ₹2,000–15,000 ⚑ |
Documents required
- Meter test request
- Installation completion report
- Joint inspection report
When is this required?
- Discom-level interconnection: Project type: Solar PV (ground-mounted) / Wind / Hybrid (solar + wind) / Standalone BESS; Connectivity level: Discom (distribution)
- Rooftop solar compact set: Project type: Solar PV (rooftop)
Solarian expert note
Smart net-meter stock-outs are the classic delay — book the meter early.
Frequently asked questions
What is Meter testing & commissioning (discom)?
The discom lab tests your bi-directional/smart meter, installs it, and issues the commissioning certificate — the last routine step before your system goes live.
How long does Meter testing & commissioning (discom) take?
Around 21 days as an indicative planning figure. Actual timelines vary by authority workload and application quality — verify with the concerned authority.
Which authority grants Meter testing & commissioning (discom)?
Discom metering lab / section office. Department: Discom (distribution utility).
What documents are required for Meter testing & commissioning (discom)?
Meter test request; Installation completion report; Joint inspection report.
When is Meter testing & commissioning (discom) required?
Project type: Solar PV (ground-mounted) / Wind / Hybrid (solar + wind) / Standalone BESS; Connectivity level: Discom (distribution). Project type: Solar PV (rooftop).
Related approvals in this phase
See also: all approvals · glossary of terms · state roadmaps
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Indicative guidance from the RegNav knowledge base, expert-verified by Solarian. Not legal advice — always verify with the concerned authority.