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Component A grid connectivity and CEIG approval

A Component A plant only earns when it is connected and energised. Here is how substation distance, the feasibility study, transformer sizing and CEIG approval fit together.

By the SuryaHub team Updated 19 June 2026 13 min read
TL;DR for developers
  • Component A connects at a nearby DISCOM substation; distance from it is a state-variable rule — verify.
  • You apply for a grid feasibility study that sets the voltage, connection point and any upgrade you fund.
  • The plant cannot be charged until the CEIG (electrical inspector) issues a safety permit.
  • You design the transformer and evacuation system to CEA and state standards, then build it.
  • The developer usually pays for the evacuation system; cost-sharing is state-variable — confirm in the RfS.

A PM-KUSUM Component A plant earns nothing until it is connected to the grid and energised. Grid connectivity — the substation, the feasibility study, the transformer and CEIG approval — is the part of the project most likely to slip. Plan it from day one, not after the panels are up.

Why grid connectivity decides the project

Grid connectivity decides whether your Component A plant ever exports a unit. You can build a perfect plant, but if the substation cannot take its power, or the electrical inspector will not clear it, you do not get paid. The grid side is a parallel project that runs alongside the build.

This is why land near a working substation is so valuable. A short, simple connection is cheap and fast; a long line into a weak substation is expensive and slow. The grid plan should shape your land choice before you bid.

Substation distance

How far your plant can sit from the substation is a state-variable rule, not a single national number. Tenders favour land close to a substation, because the evacuation line adds cost and electrical loss with every extra kilometre.

Why closer is almost always better

A nearby substation means a shorter line, lower cost, less power lost in transit, and fewer right-of-way headaches across other people's land. Confirm the substation-distance norm against your state's request-for-selection (RfS) — it differs by state and by tender, so treat any figure you hear as an estimate to verify.

The grid feasibility check

A grid feasibility study is the DISCOM's check that the chosen substation can absorb your plant's power. You apply for it after winning the tender, and its outcome shapes your whole evacuation design and budget.

What the study tells you

  • Voltage level: the voltage at which you may connect (for example 11 kV or 33 kV), which drives your transformer and switchgear.
  • Connection point: the exact bay or feeder at the substation you tie into.
  • Network upgrades: any strengthening the DISCOM needs — and who pays for it.

A weak result here can change the economics of the whole project, so chase the feasibility study early and read it carefully.

CEIG / electrical inspector approval

CEIG approval is the safety clearance your plant needs before it can be charged. The Chief Electrical Inspector to Government (CEIG), the state's statutory electrical inspector, inspects your electrical works and issues the permit to energise. Without it, the DISCOM will not connect the plant.

What the CEIG checks

The inspector checks that the transformer, switchgear, earthing, protection and metering meet the statutory electrical safety standards set by the Central Electricity Authority (CEA) and state rules. Drawings must match the built works. Any gap means rework and a re-inspection, which costs you time on a tender clock.

Apply early, build to the drawings

Start the CEIG paperwork while you build, not after. Build exactly to the approved drawings, keep your test records ready, and the inspection becomes a formality rather than a bottleneck.

Transformer sizing

The transformer for a Component A plant is sized to the plant capacity and the connection voltage the DISCOM allows. It must carry full output with margin and match the substation bay. A licensed electrical engineer designs it to CEA and state standards.

Get it right the first time

An undersized transformer clips your output and wastes generation you have already paid to build. An oversized one wastes capital. Size it to the feasibility study's voltage and your plant's real peak, and have the design ready for the CEIG to inspect.

The connection process, step by step

From winning the tender to first export, the grid side follows a clear sequence. Run it in parallel with the civil and module build.

1

Apply for grid feasibility

After winning the tender, apply to the DISCOM for a feasibility/connectivity study at the proposed substation. This confirms the substation can take the power your plant will export.

2

Receive the connection terms

The DISCOM issues the connectivity conditions — voltage level, the bay or feeder to connect to, and any network upgrade you must fund.

3

Design the evacuation system

Engineer the transformer, switchgear, metering and the line from your plant to the substation, to CEA and state standards.

4

Build and get CEIG approval

Install the electrical works, then apply to the Chief Electrical Inspector to Government (CEIG) for safety inspection and the charging/energisation permit.

5

Charge, test and commission

Once CEIG clears it, the DISCOM charges the line, you run the acceptance tests, and the plant is commissioned and starts exporting.

Caption: Grid-connection sequence, SuryaHub. Source: framing from CEA standards and MNRE/SECI Component A documents. The exact steps, timelines and cost-sharing are state-variable — verify against your DISCOM and the live tender.

Who pays for the connection

In Component A the developer usually pays for the evacuation system — the transformer, switchgear, metering and the line to the substation — and for any network upgrade the feasibility study identifies. This can be a large, easily-missed line in your budget.

The exact cost-sharing varies by state and tender. Some DISCOMs build part of the network at their cost; others pass it all to the developer. Confirm who funds each item against the RfS before you bid, and fold it into your returns model — a surprise upgrade cost can wipe out a thin margin.

What causes delays — and how to avoid them

Most connection delays are predictable. Plan for them and you keep your tender timeline.

  • Slow feasibility study: apply the day you win; follow up in writing.
  • Network upgrades: if the DISCOM must strengthen the network, that can take months — clarify the scope and timeline early.
  • CEIG rework: non-compliant works or mismatched drawings force a re-inspection. Build to the approved design.
  • Right-of-way: a line crossing other land needs permissions — start them early.
  • Documentation gaps: missing test records stall the charging permit.

The fix is the same in every case: run the grid paperwork in parallel with the build, and track every approval with an owner and a date.

How SuryaHub helps you manage grid connectivity

SuryaHub tracks every grid-connectivity step — feasibility application, connection terms, CEIG inspection and energisation — alongside the civil and module build, so the grid side never falls behind. The government-workflows module holds each DISCOM and CEIG approval with an owner and a deadline, while project management keeps the build and the connection on one timeline. SuryaHub is pre-revenue; the only real pilots are Suryantra Energy and RGESPL, and every figure here is a scheme fact or estimate, not a guarantee.

Track every grid approval to energisation

See how SuryaHub keeps the feasibility, CEIG and build on one timeline.

Book a Demo

Frequently asked questions

What is CEIG approval for a PM-KUSUM Component A plant?+

CEIG approval is the safety clearance from the Chief Electrical Inspector to Government that a PM-KUSUM Component A plant needs before it can be charged and energised. The CEIG inspects the electrical works against statutory standards and issues the permit to charge. Without CEIG approval the DISCOM will not connect the plant to the grid.

How far can a Component A plant be from the substation?+

How far a PM-KUSUM Component A plant can be from the substation is a state-variable rule, not a single national number. Tenders usually favour land close to a substation because a long evacuation line adds cost and loss. Confirm the substation-distance norm against your state request-for-selection, since it differs by state and by tender.

How is the transformer sized for Component A?+

The transformer for a PM-KUSUM Component A plant is sized to the plant capacity and the voltage level at which the DISCOM allows connection. It must handle full output with margin and match the substation bay. A licensed electrical engineer designs it to Central Electricity Authority and state standards, which the CEIG then inspects before energisation.

What is a grid feasibility study in Component A?+

A grid feasibility study in PM-KUSUM Component A is the DISCOM check that confirms the chosen substation can absorb the plant's power. The study sets the voltage level, the connection point and any network upgrade you must fund. You apply for it after winning the tender, and its outcome shapes your evacuation design and budget.

Who pays for the Component A grid connection?+

In PM-KUSUM Component A the developer usually pays for the evacuation system — the transformer, switchgear, metering and the line to the substation — and for any network upgrade the feasibility study identifies. The exact cost-sharing varies by state and tender, so confirm who funds each item against the request-for-selection before you bid.

What delays Component A grid connection the most?+

PM-KUSUM Component A grid connection is most often delayed by a slow feasibility study, network upgrades the DISCOM must complete, and rework after a CEIG inspection. Incomplete drawings or non-compliant electrical works also push back the charging permit. Plan connectivity from day one and keep the DISCOM and CEIG paperwork moving in parallel with the build.

Sources & references

Connectivity, transformer and CEIG rules come from primary scheme and electrical-standards sources. Distances, voltage levels and cost-sharing vary by state and DISCOM — confirm the current rules before you commit.

Written by the SuryaHub team · reviewed against MNRE, CEA & SECI sources · updated 19 June 2026.

Method: Connectivity and CEIG steps are built from CEA standards and MNRE/SECI Component A documents and re-checked every 30 days. Substation-distance norms, voltage levels and cost-sharing are state-variable estimates to confirm against your DISCOM and the live tender. SuryaHub is pre-revenue; only Suryantra Energy and RGESPL are real pilots.

Change log: 19 Jun 2026 — first published.

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