PM-KUSUM Component C bid evaluation: how L1 decides the winner

PM-KUSUM Component C tenders are won on price, but not in the simple way most people assume. The rule is "lowest evaluated bidder", usually shortened to L1. Understand exactly how L1, the reverse auction and the ceiling tariff fit together, and you can bid to win without bleeding money.

What L1 means

L1 means the lowest evaluated bidder — the qualified bidder who offers the lowest tariff per unit of power. The key word is evaluated. Only bidders who first pass the technical and financial checks are ranked. Among those, the one with the lowest tariff is L1 and normally wins.

So L1 is not simply "cheapest bid". A bidder can quote the lowest tariff in the room and still lose if they fail qualification. The framework rewards a bid that is both compliant and low.

How a Component C bid is evaluated

Evaluation runs in two stages, and you must clear the first before your price even counts.

Stage 1: qualification

The agency checks each bidder against the eligibility, technical and financial criteria in the request-for-selection (RfS) — past experience, net worth, turnover, the earnest money deposit (EMD), and technical compliance with the MNRE technical specification. Bidders who fail are dropped here, before any price is opened.

Stage 2: price ranking

The qualified bidders are then ranked by their quoted tariff. The lowest is L1, the next L2, and so on. The L1 bidder is offered the project, provided the tariff sits at or below the ceiling.

The reverse auction

Many Component C tenders use a reverse auction to push tariffs down. Qualified bidders compete in live online rounds, each undercutting the other from the ceiling tariff downward, until the round closes. The lowest tariff at the end is L1.

Not every tender uses a reverse auction — some award on sealed single-stage bids. Read the RfS to know which method applies, because it changes how aggressively you should set your opening number.

The ceiling tariff

The ceiling tariff is the maximum tariff a bidder may quote. It is set by the state agency and usually approved by the state electricity regulatory commission (SERC). Any bid above the ceiling is rejected outright, no matter how strong the bidder.

The ceiling protects the DISCOM (and farmers) from paying too much. It also caps your upside: you cannot win at a price above it. The ceiling is state-variable and revised periodically, so confirm the current figure against the live RfS and the latest order before you model your bid.

Worked example: who wins?

Here is an illustrative five-bidder Component C tender. The numbers are made-up estimates to show the mechanics — they are not real tariffs. Assume a ceiling tariff of ₹3.50/kWh for this example.

Caption: Illustrative bid evaluation, SuryaHub. Tariffs and the ₹3.50/kWh ceiling are made-up estimates to show the mechanics — not real figures. Verify the current ceiling tariff and recent L1 outcomes against the latest SERC/SNA order.

Notice what happens. Bidder C quoted the lowest tariff of all (₹3.28) but failed qualification, so it is rejected. Bidder E is qualified but quoted above the ceiling, so it is out. Among the rest, Bidder A at ₹3.30 is the lowest qualified tariff — the L1 winner. The "cheapest" bidder did not win.

Why it is the levelised tariff, not the lowest sticker price

Component C bids are quoted as a tariff per unit (₹/kWh), not a lump sum. That is a levelised price: it spreads your whole project and operating cost across every unit you expect to sell over the contract. Two bidders with the same equipment can quote different tariffs because they assume different generation, finance cost or operating cost.

This is why a real cost sheet matters. Quote a tariff that covers your build, your finance cost and your full 5-year operations-and-maintenance (O&M) obligation. Our bid economics guide walks through building that number, and the returns calculator shows how a tariff turns into an IRR.

Ties, EMD and qualification details

A few mechanics decide close cases, and they are easy to overlook.

• Tie-break: if two qualified bidders quote the same tariff, the RfS sets the tie-break rule — often a further round, a draw of lots, or a stated priority. Read it in advance.
• EMD: a bid without the correct earnest money deposit is non-responsive and drops at qualification. See EMD and PBG financials.
• Capacity allocation: some tenders award the full capacity to L1; others split capacity down the rank list at the L1 tariff. The RfS tells you which.

How to bid to win without losing money

The L1 framework rewards discipline, not bravado. Win the right way.

• Qualify cleanly first. A perfect price is worthless if your documents fail Stage 1. Get the EMD, net worth and technical compliance right.
• Know your break-even tariff. Build a real cost sheet so you know the lowest tariff you can still profit on, including O&M.
• Respect the ceiling. Model your bid below the ceiling, and never assume the old ceiling still applies — verify the current one.
• Do not chase L1 below break-even. Winning a loss-making tariff for 25 years is worse than losing the bid.

Why bidding below break-even is the costliest mistake

The reverse auction tempts bidders into a race to the bottom. In the heat of a live round, it is easy to keep cutting the tariff just to stay ahead of a rival. But a Component C tariff binds you for the life of the contract. If you win at a tariff below your true cost, you have not won work — you have signed up to lose money for years, with a performance bank guarantee at risk if you walk away.

The disciplined approach is to fix your break-even tariff before the auction opens and treat it as a hard floor. If the bidding drops below that floor, let the tender go. There will be another tender; there is no recovering from years of a loss-making PPA. The bidders who survive in this business are the ones who know their numbers cold and refuse to chase L1 past the point where the project still pays.

How SuryaHub helps you bid Component C

SuryaHub builds the cost sheet behind your tariff so you bid with a real break-even number, not a guess. The quotation engine models the build, the finance cost and the 5-year O&M into a levelised tariff, while government workflows track every EMD, qualification document and reverse-auction deadline so a tender never lapses on paperwork. 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.

Related guides

Frequently asked questions

Sources & references

The evaluation framework comes from primary scheme and model-tender sources. Ceiling tariffs and recent L1 outcomes vary by state and change over time — confirm the current figures against the live RfS before you bid.

• Ministry of New & Renewable Energy (MNRE) ↗

  PM-KUSUM Component C guidelines and tender framework.

• SECI ↗

  Model request-for-selection documents and evaluation methodology.

• PM-KUSUM National Portal ↗

  Component C tender listings and state status.