जानिए 2026 में solar panel warranty कैसे काम करती है – product warranty, performance warranty, degradation rate, claim process और सही panel चुनने की पूरी guide।
Introduction – Solar Panel Warranty Samajhna Kyun Zaroori Hai?
Jab bhi koi solar system install karta hai, sabse common question hota hai:
“Solar panel kitne saal chalega?”
“Warranty kitni milti hai?”
Solar panel ek 20–25 saal ka investment hota hai. Isliye sirf panel price dekhna enough nahi hai — warranty structure samajhna bahut important hai.
2026 me India me premium brands 25–30 years tak ki warranty de rahe hain, lekin har warranty same nahi hoti.
Is blog me hum simple Hinglish me samjhenge:
✔ Product Warranty kya hoti hai
✔ Performance Warranty kya hoti hai
✔ Linear vs Tiered Warranty
✔ Degradation rate kya hota hai
✔ Warranty claim ka process
✔ Kaunsa panel choose kare
🟢 1. Solar Panel Warranty Kitne Type Ki Hoti Hai?
Solar panel warranty mainly 2 type ki hoti hai:
🔹 1️⃣ Product Warranty (Manufacturing Warranty)
Ye warranty cover karti hai:
- Manufacturing defects
- Physical damage due to factory fault
- Glass crack (agar manufacturing defect ho)
- Junction box issue
- Frame defect
Typical Duration (2026 India):
| Panel Type | Product Warranty |
|---|---|
| Budget Poly Panels | 10–12 Years |
| Mono PERC Panels | 12–15 Years |
| Premium Mono / TOPCon | 15–25 Years |
👉 Product warranty ka matlab hai agar panel manufacturing fault se kharab hota hai to company replace karegi.
🔹 2️⃣ Performance Warranty (Power Output Warranty)
Ye warranty guarantee karti hai ki panel time ke sath kitna power produce karega.
Solar panels har saal thoda degrade hote hain (0.3%–0.7% per year).
Example:
Agar aap 400W panel kharidte ho:
- Year 1 me output ~ 98%
- 25th year me ~ 80–85% output
Typical Performance Warranty (2026):
| Warranty Period | Output Guarantee |
|---|---|
| 10 Years | 90% Output |
| 25 Years | 80–85% Output |
| Premium Panels | 30 Years |
🟢 2. Linear vs Tiered Warranty – Difference Kya Hai?
🔹 Linear Warranty (Best Type)
Isme panel har saal gradually degrade hota hai, fixed percentage ke hisaab se.
Example:
- Year 1: 98%
- Every year: 0.5% degrade
- Year 25: 87.5%
Ye transparent aur better hoti hai.
🔹 Tiered Warranty (Old Model)
Isme:
- First 10 years → 90% guarantee
- 25 years → 80% guarantee
Middle years ka exact breakdown clear nahi hota.
👉 2026 me almost sabhi brands linear performance warranty de rahe hain.
🟢 3. Solar Panel Degradation Rate Kya Hota Hai?
Degradation rate batata hai panel har saal kitna performance lose karega.
2026 Market Average:
| Panel Technology | Degradation Rate |
|---|---|
| Polycrystalline | 0.6% – 0.8% |
| Mono PERC | 0.5% – 0.6% |
| TOPCon / N-Type | 0.3% – 0.5% |
👉 Lower degradation = better long-term savings
Example:
400W panel
0.5% yearly degradation
25 saal baad ~350W output bachega
🟢 4. Solar Panel Warranty India – Real Life Example
Agar aap 5kW solar system install karte ho:
- 12 panels × 420W
- 25 saal performance warranty
Year 1 production: ~7500 units
Year 25 production: ~6500 units
Isliye warranty directly ROI affect karti hai.
🟢 5. 2026 Me Kaunse Panels Best Warranty De Rahe Hain?
Premium panels ab de rahe hain:
✔ 15–25 Years Product Warranty
✔ 25–30 Years Performance Warranty
✔ Low degradation (0.3%)
Especially N-Type / TOPCon panels long warranty ke liye popular ho rahe hain.
🟢 6. Warranty Claim Kaise Karte Hain?
Warranty claim karna thoda technical process hota hai.
Step-by-Step:
1️⃣ Installer ko inform karein
2️⃣ Panel serial number verify hota hai
3️⃣ Output test kiya jata hai
4️⃣ Company inspection karti hai
5️⃣ Replacement approve hota hai
⚠ Important:
- Warranty tab valid hoti hai jab installation proper ho
- Physical damage (storm / mishandling) covered nahi hota
🟢 7. Warranty Me Kya Covered Nahi Hota?
Ye cheeze usually covered nahi hoti:
❌ Storm damage
❌ Flood damage
❌ Fire
❌ Animal damage
❌ Improper installation
❌ Glass break by external impact
Isliye insurance lena smart decision hota hai.
🟢 8. Solar Panel Warranty vs Solar Inverter Warranty
| Component | Typical Warranty |
|---|---|
| Solar Panels | 25–30 Years |
| Inverter | 5–10 Years |
| Battery | 3–10 Years |
Panels sabse long life component hote hain.
🟢 9. Long Warranty Ka Matlab Always Better Hai?
Not always.
Check these factors:
✔ Brand stability
✔ India service support
✔ Tier-1 manufacturer
✔ BIS certification
✔ MNRE approved vendor
Agar brand 10 saal baad market me nahi raha to warranty claim difficult ho sakta hai.
🟢 10. Solar Panel Warranty & ROI Connection
Agar panel 25 saal chalega:
5kW system
Annual saving ~₹60,000
25 saal me ~₹15 lakh saving
Agar panel degrade fast hua to saving kam ho sakti hai.
Isliye warranty indirectly long-term profit decide karti hai.
🟢 11. 2026 Solar Warranty Trends
✔ Longer product warranties (15–25 years)
✔ 30 year performance warranty premium segment me
✔ Low degradation N-Type panels popular
✔ Improved heat resistance
India jaise garam climate me heat tolerance warranty ka important factor hai.
🟢 12. Buying Checklist – Warranty Check Karte Waqt
Before buying panel, ensure:
✔ Written warranty document mile
✔ Serial number traceable ho
✔ Authorized dealer se kharide
✔ Warranty transfer policy clear ho
✔ Performance guarantee clearly mentioned ho
🟢 Final Conclusion – Solar Panel Warranty Explained (2026)
2026 me India me solar panels typical:
✔ 12–25 years product warranty
✔ 25–30 years performance warranty
✔ 0.3–0.6% degradation rate
Solar panel kharidte waqt sirf ₹/watt price mat dekhiye —
Warranty structure hi long-term investment ko secure karta hai.
Ek achha solar panel 25+ saal tak bijli generate karega — aur sahi warranty ke sath aap tension-free rahenge.
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