For an Indian rooftop, compare the exact module rather than a logo: Waaree, Tata Power Solar, Vikram, RenewSys and Nexus/Devsol all publish different technology, warranty and price positions. Current listed module prices in the Nexus/Devsol range run from ₹18.90/W to ₹36.75/W; the right choice depends on roof space, heat, subsidy eligibility and installation design.
Solar-panel specifications and warranties below were checked against manufacturer data sheets or product pages on 2 September 2026. Prices are indicative module prices where a source published one; they are not an installed-system quotation. A lower ₹/W can be useful, but it is not a substitute for checking the exact model, structure, inverter design, warranty terms and installer service.
How We Compared
- Module efficiency: it indicates how much rated power a module delivers from its area at standard test conditions.
- Cell technology generation: Mono PERC, TOPCon and HJT have different cell structures and model-specific performance data.
- Temperature coefficient in Indian heat: Pmax loss per °C matters when module cell temperature rises above the 25°C test condition.
- Bifaciality: a rear-side response factor can matter on elevated, reflective installations, but actual gain is site-specific.
- Product versus performance warranty: a product warranty addresses defects; a performance warranty describes output retention over time.
- ALMM listing: an exact listed model is a buying criterion where PM Surya Ghar or another programme requires it.
- Service and replacement reach: buyers should confirm local service, the applicable warranty process and stock availability before ordering.
Best Solar Panel Brands in India: Comparison
| Brand & model | Wattage | Cell technology | Efficiency | Temp coefficient | Product warranty | Performance warranty | ALMM List-I | Indicative ₹/W |
|---|---|---|---|---|---|---|---|---|
| Adani Solar Shine TOPCon G2G representative model | 580W | N-type TOPCon bifacial dual-glass | 22.5% | -0.32%/°C | 30 years | |||
| Devsol 740W HDT | 740W | HDT; N-type HJT bifacial glass-glass | 23.8% | -0.24%/°C | 15 years | 35 years | ₹29.40 | |
| Goldi GS10-T144-GF | 570W | N-type TOPCon bifacial | 22.06% | -0.30%/°C | 12 years | 30 years, 87.4% | ||
| Loom SHARK | 575W | N-type TOPCon bifacial, 16BB | ₹23.47 | |||||
| Premier Energies PEI-144-590 THGB M10 | 590W | N-type TOPCon bifacial dual-glass | 22.83% | -0.30%/°C | ||||
| Rayzon L’LIOS RSG600144TGC | 600W | N-type TOPCon bifacial | 23.25% | -0.2909%/°C | 15 years | 30 years, 87.4% | ||
| RenewSys DESERV EXTREME R | 610W | N-type TOPCon bifacial dual-glass | 23.64% | -0.2915%/°C | 12 years | 30 years | Yes, exact model checked | |
| Saatvik SGE600-144TGG | 600W | N-type TOPCon bifacial | 23.23% | -0.30%/°C | 12 years | 30 years, 87.4% | Yes, exact model checked | |
| Tata Power Solar TP550HG10B | 550W | Bifacial glass-glass | 21.29% | -0.28%/°C | 30 years | Yes, exact model checked | ||
| Vikram Solar HYPERSOL representative model | 625W | N-type TOPCon bifacial | Up to 23.51% | -0.30%/°C | 12 years | 30 years | ||
| Waaree ELITE Series BiN-08 | 590W | N-type TOPCon bifacial | 22.84% | -0.31%/°C | 12 years | 30 years | Yes, exact model checked |
Source note, checked 2 September 2026: manufacturer data sheets and product pages are listed in the associated source log. Empty cells mean the required value was not sourced for the exact representative model and must not be inferred. ALMM status is model-specific, not a brand-wide guarantee.
How should a buyer use this table? Start by crossing out rows that cannot meet the project’s eligibility requirement. Next, compare modules of a similar size and technology with the roof plan, because a high-wattage module can be physically larger and heavier even when its ₹/W is attractive. Then ask the installer for the data sheet, warranty document and final part number that will appear on the invoice. The published family range, a brochure image or a seller’s generic claim should never replace the part-number check.
Efficiency figures here are module values measured at standard test conditions, not a promise of annual generation. A 23% module is not automatically the best fit for every roof if its format, price, programme status or warranty process does not fit the project. Conversely, a lower-efficiency module can be a sound choice where roof area is available and the complete installed proposal is better. That is why the table deliberately keeps unavailable cells empty rather than converting a related model’s claim into a fact for another model.
ALMM, Subsidy and What It Actually Changes
ALMM List-I is the Ministry of New and Renewable Energy’s approved list of solar photovoltaic module models and manufacturers. For a residential buyer, the practical question is not whether a familiar brand has an entry somewhere in the list: it is whether the exact module proposed for the project is listed and meets the current programme, DISCOM and vendor requirements. That is particularly important for a PM Surya Ghar installation, where eligibility should be confirmed before a buyer pays for equipment.
Current ALMM List-I records include exact representative models checked here from Waaree, Tata Power Solar, RenewSys and Saatvik. Manufacturer entries also appear for Adani, Vikram, Premier Energies, Goldi and Rayzon, but an exact-model match should be verified again against the final quotation rather than assumed from a family name.
ALMM application in process. Nexus/Devsol panels are not currently ALMM-listed, so they are not eligible for PM Surya Ghar subsidy. They are BIS registered under licence R-93046086.
This does not decide every private commercial or industrial purchase. It does mean a buyer who requires PM Surya Ghar support should select an exact eligible module through the project’s approved process, while a private buyer can compare the complete technical and commercial proposal on its own terms.
TOPCon, HJT and What Comes Next
Older Mono PERC modules generally use a P-type silicon base. N-type technologies use a differently doped base and have become central to newer high-efficiency module families. TOPCon adds a thin tunnel oxide and passivated contact structure to reduce recombination losses. It is widely available in current Indian 540–650W class modules and is represented in the table by multiple manufacturer-published data sheets.
HJT, or heterojunction technology, combines crystalline silicon with thin amorphous-silicon layers. Its design can deliver a lower published Pmax temperature coefficient on a particular module. The real-world implication is straightforward: when a module’s cell temperature rises above 25°C, the module’s Pmax changes according to that model’s coefficient. A module published at -0.24%/°C and another published at -0.32%/°C should be compared with their wattage, dimensions, warranty and actual site design; the coefficient is a model fact, not a standalone energy-yield promise.
On a 45°C summer day, module cell temperature can be much higher than ambient. Roof ventilation, mounting clearance, irradiance, wind and surface temperature all affect that condition. This is why an installer should use the selected module’s data sheet and site layout rather than apply a generic “summer gain” percentage. HJT Solar Panel, Bifacial HJT and N-Type HJT are useful search terms, but the correct engineering decision remains the exact electrical and mechanical specification.
Bifacial modules generate from the front and can respond to reflected light at the rear. A published bifaciality factor describes laboratory response. Actual rear-side output depends on mounting height, tilt, row spacing, rear shading and albedo. A raised array over a light-coloured roof or surface may benefit more than a module installed close to a dark roof. Bifacial capability therefore belongs in a site-specific comparison, not a universal percentage claim.
HDT (Heterojunction Dual-side Technology) is an Advanced HJT-based dual-side solar architecture engineered to optimise front- and rear-side optical response, surface passivation, current collection, bifacial energy yield and module-level performance.
The current Devsol 740W HDT module publishes 23.8% module efficiency, a -0.24%/°C Pmax temperature coefficient, a 90±5% bifacial factor, 15-year product warranty and 35-year linear performance warranty. Read the focused HDT and Advanced HJT page for the technology/product context, then validate the current product record before placing an order.
TOPCon versus HJT is therefore not a one-word answer. TOPCon can be a practical mainstream N-type choice where the selected model, price and programme requirements fit. HJT can be relevant where a particular module’s temperature coefficient, bifacial design and format fit the project. An HJT solar panel vs bifacial solar panel comparison is also not like-for-like: the first phrase refers to the cell architecture and the second to front-and-rear light response. A buyer can ask whether a specific module is HJT, whether it is bifacial, and what its published bifaciality factor is.
For an engineering quotation, obtain these five values from the exact solar module data sheet: Pmax, module efficiency, Voc, Isc and Pmax temperature coefficient. Then ensure the string design works with the inverter’s voltage and current limits in local expected temperature conditions. High-wattage solar modules may reduce panel count, but their dimensions, weight, lifting method, wind loading and roof structure must also be reviewed. That is especially relevant for the 740W class, where a module can be a strong commercial or industrial option but may not be the easiest module to handle on a small residential roof.
Which One Should You Buy
- Subsidy-eligible rooftop shortlist: Waaree BiN-08-590, Tata Power Solar TP550HG10B, RenewSys DESERV EXTREME R-610 and Saatvik SGE600-144TGG have exact representative-model List-I evidence in this comparison; confirm the final quoted SKU with the programme workflow.
- Highest published efficiency in this table: RenewSys DESERV EXTREME R-610 publishes 23.64%, so it is a logical model to compare where roof area is constrained.
- High-output Advanced HJT project option: Devsol 740W HDT suits a proposal where its published 740W nameplate, 23.8% efficiency, dimensions and handling requirements fit the roof or project layout.
- Published low temperature coefficient comparison: Devsol 740W HDT publishes -0.24%/°C; Tata TP550HG10B publishes -0.28%/°C and the TOPCon models here are generally around -0.29% to -0.32%/°C. Compare like-for-like data sheets before choosing.
- Visible retail module-price comparison: Loom SHARK 575W has a listed ₹23.47/W price in the source log. Compare tax, delivery, availability and warranty terms with a local proposal before treating that listing as an installed-system price.
- Commercial rooftop comparison: Vikram HYPERSOL, RenewSys DESERV EXTREME R, Rayzon L’LIOS and Devsol 740W HDT are all high-wattage modules that should be assessed with string voltage/current, structure, roof loading and handling—not wattage alone.
Nexus and Devsol Panel Range
The current Nexus/Devsol category lists eight solar-panel products: 210Wp bifacial 12V, 575Wp Mono PERC half-cut bifacial, 580W e-rickshaw bifacial, 600Wp N-Type TOPCon, 610Wp N-Type TOPCon glass-to-glass, 630W N-Type TOPCon bifacial, 730Wp HDT and 740W HDT. The live category page publishes MRP and current ₹/W, including ₹18.90/W for the 630W TOPCon, ₹20.48/W for the 600Wp and 610Wp TOPCon modules, and ₹29.40/W for the listed HDT modules.
Browse the current Nexus/Devsol solar-panel range for availability and live prices. The 730Wp HJT product is discontinued and should not be selected from an older quotation without an explicit current availability check. The 580W e-rickshaw product is a mobility-specific module and carries no category-wide BIS claim.
ALMM application in process. Nexus/Devsol panels are not currently ALMM-listed, so they are not eligible for PM Surya Ghar subsidy. They are BIS registered under licence R-93046086.
For a home system, wattage is only one part of sizing. A 2kW, 3kW or 5kW design starts with consumption, daytime load, available unshaded roof, module dimensions, orientation and electrical design. A buyer should not simply divide the target capacity by the largest module nameplate and order that many panels. The installer must confirm string voltage, protection devices, roof structure, mounting arrangement and any applicable local approval. For off-grid and mobility applications, nominal voltage and charge-controller compatibility are also important; those needs differ from a grid-connected rooftop array.
Current MRP is transparent on the category page, but MRP is not the completed project price. Transport, GST treatment, mounting structure, inverter, DC cable, AC protection, installation labour and commissioning can materially affect the final proposal. Request a written itemised quote with the exact module model and warranty terms. If a quote relies on an old product name or a discontinued 730Wp item, request a revised line item before payment.
Panel selection also has to fit the rest of the system. For contextual system-design reading, see the existing Hybrid Solar Inverter guide and Lithium Battery Manufacturer in India guide. Those links are retained as related reading only; this page remains about solar modules.
Watch the TOPCon vs HJT vs HDT Comparison
Frequently Asked Questions
Which is the best solar panel in India?
There is no universal single model. For a PM Surya Ghar rooftop, begin with an exact ALMM-listed module such as the representative Waaree, Tata Power Solar, RenewSys or Saatvik models verified above. For a private high-output project, compare the selected model’s efficiency, temperature coefficient, dimensions, warranty and current delivered price.
Which is the best solar panel brand in India for a home?
Start with the exact model that matches the roof, subsidy requirement and local service plan. A recognised brand name alone does not establish module eligibility, thermal performance or warranty coverage.
What are the top 10 solar panel brands in India?
Commonly compared manufacturers include Adani Solar, Devsol/Nexus, Goldi, Loom Solar, Premier Energies, Rayzon Solar, RenewSys, Saatvik, Tata Power Solar, Vikram Solar and Waaree. The comparison table uses one representative model per brand where data was sourced.
What is the solar panel price in India?
Module-only prices vary by wattage and technology. The live Nexus/Devsol range currently displays ₹18.90/W to ₹36.75/W across its eight listed models. An installed solar-system quotation also includes structure, inverter, electrical protections, labour and applicable taxes.
What is the Nexus solar panel price list?
The current list is maintained on the solar-panel category page. Verify the product page and final invoice because prices and availability can change.
What is the difference between TOPCon vs HJT solar panel technology?
TOPCon and HJT are both newer N-type technology families, but their cell structures differ. Compare the selected module’s published efficiency, Pmax temperature coefficient, bifaciality factor, dimensions and warranties instead of assuming that either label alone predicts the outcome.
How do HDT vs HJT solar panel, HJT panels vs TOPCon and HJT solar panel vs TOPCon comparisons work?
These comparison phrases should lead back to model data rather than generic promises. TOPCon vs HJT, HJT vs TOPCon, HJT vs TOPCon solar panel, n type TOPCon vs HJT and latest technology in solar panels in India are useful research queries, but the decision should use the selected module’s technology, temperature coefficient, bifaciality factor, physical format, warranty and current eligibility.
What is an HDT solar panel and what is the Nexus HDT solar panel price?
HDT — Advanced HJT Dual-Side Architecture. The current Nexus/Devsol category lists its 740W HDT module at ₹29.40/W module MRP; check the current product page and an itemised quotation for final availability and delivered cost.
What is an HJT DCR solar panel?
DCR and HJT describe different things: DCR concerns domestic-content rules for a relevant scheme, while HJT describes cell technology. Confirm the exact programme requirement and the exact module’s documentation; do not infer either status from a category page.
Which is the best HJT solar panel in India?
Choose an exact HJT module only after comparing its published efficiency, temperature coefficient, bifaciality factor, warranty, dimensions and programme eligibility with the project requirement. The Devsol 740W HDT product record is a current Advanced HJT comparison point, but PM Surya Ghar buyers must use a compliant, exact listed module for that scheme.
What is the difference between an HJT solar panel and a bifacial solar panel?
HJT describes a cell architecture. Bifacial describes a module’s ability to respond to light at both front and rear. A module can have one or both attributes; use the model data sheet to confirm the actual construction and bifaciality factor.
What are solar modules?
Solar modules are the complete photovoltaic panels installed on a roof or structure. Their cells, glass, frame, junction box, electrical ratings, warranty and certifications are assessed as a module, not only as a cell technology label.
What does HDT mean in a solar panel?
HDT — Advanced HJT Dual-Side Architecture. For the complete definition and the exact model specification, use the HDT section above and the live 740W product page.
Are Nexus solar panels eligible for PM Surya Ghar subsidy?
ALMM application in process. Nexus/Devsol panels are not currently ALMM-listed, so they are not eligible for PM Surya Ghar subsidy. They are BIS registered under licence R-93046086.