PM-KUSUM benchmark cost revisions: track the cap, fix your bid

The benchmark cost is one number that quietly shapes every PM-KUSUM bid. It caps the subsidy base, anchors the tender, and moves whenever MNRE updates it. An EPC that bids off last year's figure can underprice or overprice and lose either way. This guide explains what the benchmark cost revision is, how to find the live cap, and how to react fast so your numbers stay right.

What the benchmark cost is

The PM-KUSUM benchmark cost is the price cap MNRE sets per solar pump HP. It fixes the upper limit used for the subsidy and the tender, so it is a ceiling, not a guaranteed price you receive. The subsidy is calculated on this base, and tenders are framed around it. The figure changes periodically, so always confirm the current benchmark against the latest MNRE order.

Think of it as the reference price for a standard pump system of a given size. Our benchmark price by HP guide breaks down what that cap is meant to cover for each common pump size — 3, 5, 7.5 and 10 HP.

The benchmark does two jobs. First, it sets the base on which the subsidy is calculated, so the central and state shares are worked out against this figure, not against whatever you actually spend. Second, it frames the tender, because bids are evaluated relative to the cap. Understanding both roles is the difference between an EPC who treats the benchmark as a vague number and one who uses it to bid precisely.

Why MNRE revises it

MNRE revises the benchmark cost to track changing module, motor and material prices, GST and market conditions, so the cap stays close to real installation cost. Solar module prices fall and rise; steel and copper move; GST treatment shifts. Because the inputs move, the benchmark is updated periodically rather than fixed once.

For an EPC this means the cap is a living number. A revision can widen or tighten your margin overnight. Treating the benchmark as fixed is one of the most common and costly mistakes in agri-solar bidding.

There is no fixed schedule you can rely on. MNRE revises the benchmark when the inputs justify it, which might be once a year or more often in a fast-moving market. So you cannot simply diary a date and forget it. The safe habit is to check the current figure before every tender, treat any number older than your last check as stale, and confirm against the latest MNRE order each time.

How to find the current cap

You find the current PM-KUSUM benchmark cost on the PM-KUSUM National Portal, including the State_PumpCost data, and in the latest MNRE benchmark cost notification. Do not rely on an old figure or a number from a forum. Confirm the cap against the portal and the latest MNRE order before you quote or bid.

Check the state layer too

The portal carries state-wise pump cost data, because states can differ in transport, terrain and category. So the national benchmark sets the frame, but your state's figure may be the one that applies. Always cross-check both the MNRE notification and the state pump cost for the place you are bidding.

Revision tracker

Use this tracker as a checklist of what to confirm before each bid. Every item here changes, so every row carries the same instruction: confirm against the latest MNRE order. The status note is as of 19 Jun 2026 and does not replace checking the live source.

Benchmark cost versus the L1 tariff

The benchmark cost is the price ceiling MNRE sets per HP, while the L1 tariff or rate is the lowest evaluated bid that actually wins a tender. The benchmark caps the subsidy base; the L1 result sets your real price. Your winning rate is usually below the benchmark, so plan on the L1 reality, not the cap.

This gap matters for your margin. If you assume you will be paid the benchmark, you will be disappointed when L1 lands lower. Model your numbers in the bid economics guide using a realistic L1 rate, with the benchmark only as the ceiling.

How EPCs should react to a revision

An EPC should react to a benchmark cost revision by re-pricing its cost sheet, checking the new GST and material treatment, and re-running its bid margins before the next tender. Treat each revision as a trigger to refresh the BOQ. Confirm the new cap against the latest MNRE order — a stale figure can cause a loss-making bid.

• Refresh the cost sheet — update module, motor, controller and BOS prices.
• Re-check GST — the 70:30 rule changes the effective cost.
• Re-run margin — test the bid against a realistic L1, not the cap.
• Update the template — keep your bid cost sheet current.

Mistakes to avoid

The costly mistakes are using an old benchmark, ignoring the GST treatment, and confusing the cap with the price you will be paid. Each can turn a winning bid into a loss. The fix is the same: check the live source every time, and never carry last year's number into this year's bid.

Another trap is assuming the national figure applies when your state has its own pump cost. Cross- check both. The few minutes it takes to confirm the current cap protect the margin on the whole project.

What drives a benchmark revision

A benchmark revision is driven by the cost of the parts inside a pump system — mainly modules, motors and steel — plus GST and policy. When module prices fall, the cap can tighten; when steel or copper rises, the cap may loosen. MNRE reviews these inputs and updates the figure so the cap stays near real installation cost.

For an EPC, this means watching the same inputs MNRE watches. If module prices are dropping fast, expect the cap to follow, and price your next bid with that direction in mind. The benchmark is not random — it tracks the market, so a procurement team that tracks the market can see revisions coming.

GST and policy shifts move the cap too

GST treatment is a major input. A change in how GST applies to solar pumps shifts the effective cost of every system, which feeds into the benchmark. Domestic-content rules and ALMM enforcement also affect what compliant equipment costs. When any of these change, expect the benchmark to be revisited — and re-price accordingly.

The state pump cost layer

The national benchmark is not the only number that applies, because the PM-KUSUM portal also carries state-wise pump cost data. States differ in transport, terrain and category, so your state's figure may govern your bid even when a national cap exists. Always cross-check both before you finalise.

Special-category and north-eastern states can carry different rates again, reflecting higher logistics costs and different funding shares. So the rule is to check three things: the national MNRE notification, the State_PumpCost data for your state, and any special-category provision. A single missed layer can leave your bid mis-priced. Treat every one of these as an estimate to confirm against the latest MNRE order; status as of 19 Jun 2026.

How SuryaHub helps you stay current

SuryaHub keeps your cost sheets, BOQs and procurement prices in one place, so when MNRE revises the benchmark, your team re-prices quickly and consistently. The procurement and inventory module ties live material prices to your bid, and the quotation software keeps every quote built on the current cap. SuryaHub is pre-revenue; real pilots are Suryantra Energy and RGESPL, and every benchmark figure and date here is an estimate to confirm against the latest MNRE order.

Related guides

Frequently asked questions

Sources & references

Benchmark cost figures by HP and revision dates change frequently. Always verify against pmkusum.mnre.gov.in (State_PumpCost) and the latest MNRE benchmark notification before you bid; status as of 19 Jun 2026.

• PM-KUSUM National Portal (State_PumpCost) ↗

  State-wise pump cost and benchmark data — confirm the current figures here.

• Ministry of New & Renewable Energy (MNRE) ↗

  Benchmark cost notifications and PM-KUSUM scheme orders.

• SECI ↗

  Model tender documents that reflect benchmark cost in bid terms.