Coal India SWMA May 2026: 84.2 LT, 36% premium

Stock snapshot and why the update matters

Coal India Ltd (NSE: COALINDIA, BSE: 533278) is a key Mining and Minerals stock, and SWMA e-auction disclosures are closely tracked for demand, pricing premiums, and offtake trends. In the latest update filed with exchanges, the company reported how much coal was offered and allocated through its Single Window Mode Agnostic (SWMA) e-auction platform for May. The filing also offers a view into how premiums over notified prices moved compared with the preceding period.

On the market side, the stock was shown at ₹437.90, down ₹1.15 or 0.26% in the provided data.

May SWMA e-auction: allocation below one-third of offer

Coal India said it allocated 84.20 lakh tonnes of coal through the SWMA e-auction platform in May, against an offer of 257.42 lakh tonnes. This implies an allocation rate of 33% for the month, based on the company’s exchange filing.

In pricing terms, coal sold through e-auction in May fetched an average premium of 36% over the notified price. The company also indicated that the premium eased versus the 45% premium achieved in the consolidated April-May period.

April-May cumulative picture: higher volumes, slightly better allocation

For April-May, Coal India reported it offered 562.93 lakh tonnes through the e-auction route and allocated 201.94 lakh tonnes. That translates to an allocation rate of 36% for the two-month period.

The April-May premium referenced in the data was 45%, which helps frame May’s lower 36% premium as a moderation after stronger pricing earlier in the season.

Month-by-month datapoints cited in the broader dataset

Beyond the May update, the provided material includes additional SWMA e-auction reference points for earlier months. It states that March 2026 saw allocation of 133.17 lakh tonnes out of 325.32 lakh tonnes offered, implying a 41% allocation rate, with an average premium of 45%.

It also cites February 2026 SWMA e-auction data: 103.66 lakh tonnes allocated at a 35% premium with a 50% allocation rate from 205.92 lakh tonnes offered.

Separately, the dataset notes April 2026 allocation of 117.74 lakh tonnes, with SECL allocating 44.69 lakh tonnes (the largest quantity) and MCL allocating 21.61 lakh tonnes despite the highest offering volume. The average premium for April 2026 is stated as 51%.

E-auction share and pricing realization trend

One of the operational indicators mentioned is the e-auction share of offtake. The dataset notes that e-auction volumes increased to 14% of total offtake, compared with 11% year-on-year.

At the same time, it notes that realizations declined 7% YoY to ₹2,203 per tonne. Together, these figures signal that while the e-auction channel accounted for a higher share of volumes, per-tonne realizations were lower versus the comparable period.

Renewable push: 100 MW solar plant commissioned in Gujarat

Alongside coal marketing updates, the provided material highlights Coal India’s activity in renewables. It states the company has commissioned a 100 MW solar power plant located in Bhadramali village, Deesa taluka, Banaskantha district, Gujarat.

Such projects are part of the company’s broader transition and diversification narrative, appearing alongside other references to solar order flow and project approvals.

Solar funding and capex: guarantee and progressive spend

The dataset also references that the Coal India board approved a ₹3,160 crore guarantee for a subsidiary’s 875 MW solar project (as cited from SolarQuarter in the provided text).

On spending progress, it states Coal India’s solar capital expenditure reached ₹961 crore till January FY26, which was 132% of a progressive target of ₹729 crore and already above a full-year goal of ₹957 crore.

In addition, it mentions EPC order inflow for FY26 crossing ₹10,000 crore, with new solar projects in Rajasthan and Maharashtra.

Battery storage: Odisha award and Maharashtra tender benchmark

The provided material mentions Coal India receiving a Letter of Award from GRIDCO Limited for a 320 MWh (80 MW for 4 hours) Battery Energy Storage System (BESS) project in Odisha. The project is to be executed in two clusters, including a tariff referenced as ₹3.04 lakh per MW per month, which is ₹0.0304 crore per MW per month.

Separately, it notes a regulatory development in Maharashtra: the Maharashtra Electricity Regulatory Commission approved procurement of 2,000 MW / 4,000 MWh BESS for MSEDCL, and approved a competitive tariff of ₹1,65,998 per MW per month (about ₹0.0166 crore per MW per month) for 15 years. The dataset also references the Maharashtra Renewable Energy and Energy Storage Policy 2025–2035 being approved by the state cabinet.

Key figures at a glance

Shareholding cues shown in the dataset

The provided table fragment lists several investors and their holdings across five points. It shows “investors” at 36.87% across the displayed columns.

Among the named entries, Life Insurance Corporation appears with values including 9.79, 9.85, 10.74, 11.58, and 11.05. It also lists ETF or fund names such as a CPSE exchange traded scheme (values including 2.95 down to 1.56 across the columns), Parag Parikh Flexi Cap Fund (values including 2.45 to 2.93), SBI Nifty 50 ETF (showing 1.56 in the last column), HDFC Trustee Company Ltd (values including 1.60 down to 1.02 before a blank), and Bharat 22 ETF (values including 1.54 and 1.20 before blanks).

What to watch next

Coal India’s May SWMA e-auction numbers show a 33% allocation rate with a 36% premium, while the April-May consolidated figures indicate somewhat higher allocation and stronger premiums. The wider dataset also underlines the company’s parallel focus on solar commissioning, solar funding support, and battery storage activity.

The next set of exchange filings on SWMA auctions and updates on the cited solar and BESS projects will be key markers for tracking volumes, premiums, and execution milestones.