India Supply Chain
Listed beneficiaries · capability heatmap · bottlenecks
India capability heatmap
From absent (red) to global leader (green) across every solar value-chain layer.
Listed equity exposure matrix
Direct (≥70) vs ancillary (30–70) vs narrative (<30). Sorted by directness.
| Company | Primary segment | Directness | Solar exposure | Market cap |
|---|---|---|---|---|
| Borosil Renewables | Solar Glass | 100 | 100 | Small Cap |
| Waaree Energies | Solar Modules | 98 | 98 | Large Cap |
| Premier Energies | Solar Cells | 96 | 96 | Mid Cap |
| ACME Solar Holdings | IPP / Developer | 96 | 96 | Mid Cap |
| Sterling and Wilson Renewable Energy | EPC | 95 | 95 | Small Cap |
| Adani Green Energy | IPP / Developer | 95 | 95 | Mega Cap |
| NTPC Green Energy | IPP / Developer | 95 | 95 | Large Cap |
| IREDA | Financing | 95 | 95 | Mid Cap |
| Websol Energy System | Solar Cells | 92 | 92 | Small Cap |
| KPI Green Energy | C&I Open Access | 92 | 92 | Small Cap |
| Solex Energy | Solar Modules | 90 | 90 | Small Cap |
| Oriana Power | C&I Open Access | 90 | 90 | Small Cap |
| Insolation Energy | Solar Modules | 88 | 88 | Small Cap |
| Alpex Solar | Solar Modules | 85 | 85 | Small Cap |
| Gensol Engineering | EPC | 80 | 80 | Micro Cap |
| Zodiac Energy | EPC | 80 | 80 | Micro Cap |
| Servotech Renewable Power System | Inverters | 78 | 78 | Small Cap |
| Tata Power | IPP / Developer | 78 | 78 | Mega Cap |
| Refex Renewables & Infrastructure | EPC | 70 | 70 | Small Cap |
| KEC International | Transmission & Grid | 70 | 70 | Mid Cap |
| JSW Energy | IPP / Developer | 65 | 65 | Large Cap |
| Apar Industries | Cables & Conductors | 65 | 65 | Large Cap |
| Techno Electric & Engineering | Transmission & Grid | 62 | 62 | Mid Cap |
| Adani Energy Solutions | Transmission & Grid | 60 | 60 | Mega Cap |
| Kalpataru Projects International | Transmission & Grid | 60 | 60 | Mid Cap |
Bottleneck map
What's holding India back · and who fixes it.
| Bottleneck | Why it matters | Affected | Beneficiaries | Severity |
|---|---|---|---|---|
| Polysilicon dependence | India imports ~100% of polysilicon, mostly from China — wafer/cell/module ramp is structurally exposed. | Wafers, Cells, Modules | Integrated module makers (Waaree, Premier, Adani) | Critical |
| Cell dependence under ALMM List-II | ALMM List-II for cells from 1 Jun 2026 mandates domestic cells for PSU/utility tenders. | Cells, Modules | Premier, Waaree, Websol | High |
| Grid evacuation lag | Renewable capacity additions outpace transmission build-out — curtailment risk at solar parks. | IPPs, EPCs | Power Grid, KEC, Hitachi, Apar | High |
| DISCOM payment health | Several state DISCOMs run high receivable days; PPA renegotiation pressure resurfaces during low-tariff cycles. | IPPs | SECI/NTPC offtake (sovereign-backed) | Medium |
| Storage cost economics | RTC renewable requires battery + pumped storage; LFP prices falling but capex still high for 4-hour RTC. | RTC, Hybrid, C&I | Exide, Amara Raja, JSW Energy | Medium |
| Module price crash | Chinese module prices have fallen 50%+ — Indian manufacturers depend on ALMM and tariffs for margins. | Module manufacturers | Low-cost integrated players | High |
| EPC working capital | EPC firms face stretched receivables and commodity volatility; cash-cycle blowouts have killed equity stories. | EPC players | Better-capitalized EPCs (KEC, Kalpataru, Sterling & Wilson) | Medium |
Segment deep-dives
Quartz / Silica
High-purity quartz and silica feedstock used to produce metallurgical-grade silicon and ultimately polysilicon.
Polysilicon
Ultra-purified silicon (>99.99999%) made via Siemens or fluidized-bed processes; primary feedstock for wafers.
Ingots & Wafers
Polysilicon is crystallized into ingots then sliced into wafers — the substrate for solar cells.
Solar Cells
Wafers are processed into electricity-generating photovoltaic cells (PERC, TOPCon, HJT, etc.).
Solar Modules
Cells are assembled into panels using glass, encapsulants, backsheets, frames and junction boxes.
Solar Glass
Low-iron tempered glass with anti-reflective coating; ~6–7% of module BOM.
Encapsulants & Backsheets
EVA/POE films and polymer backsheets that protect cells from moisture, UV and thermal stress.
Aluminium Frames
Anodised aluminium frames provide structural support for modules; ~10–12% of module BOM.
Inverters
Convert DC from panels into AC; the brain of every solar plant.
Trackers & Mounting
Single-axis and fixed-tilt structures that hold modules and maximize generation.
Cables & Conductors
DC cables, AC cables, conductors and evacuation cabling required at every solar project.
EPC
Engineering, procurement and construction firms that build utility-scale and C&I solar projects.
IPP / Developer
Independent power producers owning and operating solar assets, selling power under PPAs or merchant.
Rooftop Solar
Distributed generation on residential, commercial and industrial roofs, with net or gross metering.
C&I Open Access
Solar power sold directly to commercial and industrial customers through open access or captive structures.
Transmission & Grid
HV/EHV transmission lines, substations, transformers and grid automation required to evacuate renewable power.
Storage
Battery energy storage (BESS) and pumped hydro to shift solar from daytime to evening demand.
Financing
Renewable project finance, refinancing, green bonds, securitisation and InvITs.
Power Trading
Exchange-based power markets including DAM, RTM, GTAM and REC trading.
Smart Metering
Smart prepaid and post-paid meters required for net/gross metering, DISCOM modernization and ToD tariffs.
Recycling
End-of-life solar module recycling and re-use of aluminium, glass, silicon and silver.