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Energy Transition Equipment
Policy-cycle equipment — Praj's ethanol pause is the cautionary tale
Medium capitalFragmented2 listed names covered
Energy-transition equipment (bio-energy, FGD, hydrogen, heat pumps) is where policy stop-start risk is most brutal. Praj's PAT collapsed from ₹283 Cr to ₹24 Cr as ethanol capex paused after the blending target was hit early. Thermax grinds forward more diversified. The lesson: policy TAMs need policy-cycle underwriting.
TAM: Bio-CNG (500 plants target), SAF mandates (1% 2027), green-H2 mission ₹19.7K Cr, FGD retrofits ₹80K Cr — all real but all schedule-elastic.
Demand drivers
- ▸SAF blending mandates from 2027 (Praj's second act)
- ▸CBG procurement obligations on city-gas
- ▸FGD deadlines (repeatedly extended — the problem)
- ▸Industrial heat-pump/decarb retrofits (Thermax)
Competitive dynamics
- ▸Praj globally credible in bio-process (licensor economics) but cyclically hostage
- ▸Thermax vs BHEL/GE in FGD; vs multiple startups in hydrogen — breadth without dominance
- ▸Global majors (Andritz, Valmet) compete for the same bio-CAPEX
Unit economics
- ▸EPC-heavy mix keeps OPM at 5-10%; licensing/services the margin hope
- ▸Praj at 321x trailing P/E only makes sense on SAF-cycle normalization
- ▸Thermax 10% OPM ceiling until green portfolio matures
Key programs
- ▸SAF demonstration plants (Praj-IOC)
- ▸CBG plant pipeline execution
- ▸Thermax green-H2 electrolyser pilots
What an expert watches
- ▸SAF mandate notification (the Praj trigger)
- ▸Ethanol capex restart signals
- ▸Thermax order-inflow mix shift to green lines
Sector scoreboard — real data
| Company | Mkt cap | P/E | OPM | ROCE | Sales 3Y | Fundamental | Tech score | Decision |
|---|---|---|---|---|---|---|---|---|
| Thermax | ₹56.1K Cr | 101.0x | 10% | 13.9% | 10.0% | 47 | 76 | Hold |
| Praj Industries | ₹6.2K Cr | 321.0x | 5% | 6.3% | -3.5% | 26 | 43 | Sell / Avoid |