How much does a 5 kW solar system cost in Bangalore in 2025?
TL;DR: A typical on-grid 5 kW rooftop solar system installed in Bangalore in 2025 usually costs about ₹1.9-3.5 lakh (no battery). Add a battery or choose top-tier equipment and the all-in price can rise to ₹3.5-5.5 lakh. Exact price depends on panel/inverter brand, roof complexity and whether you want night backup - request a free site visit for an exact quote.
Quick overview: what is included in the price
A standard 5 kW rooftop quote generally includes:
- ⚡Solar panels (largest single cost)
- 🔌Inverter (converts the panels' DC into household AC)
- 🏗️Mounting structure, wiring and other Balance-of-System (BOS) items
- 👷Labour, testing & commissioning
- 📋Help with paperwork for net-metering/approvals
⚠️ Batteries are sold and priced separately - adding one can materially increase the total cost.
Local price ranges you can expect (Bangalore, 2025)
Because vendors, components and warranties differ, quotes vary. Market sources and installer data in 2025 show typical installed 5 kW on-grid ranges like:
💰Lower / budget bundle
Basic panels, standard inverter, no battery: ₹1.9 lakh - ₹2.9 lakh
💎Mid-range (most common)
Good brand panels, reliable inverter: ₹2.8 lakh - ₹3.5 lakh
⭐Premium / hybrid
High-efficiency panels + hybrid inverter ± small battery: ₹3.5 lakh - ₹5.5+ lakh (depending on battery size)
💡Always ask vendors for a line-item quote listing panel model & wattage, inverter make/model and warranty, mounting type, labour, and taxes so you can compare apples-to-apples.
Why the cost range is wide - the main drivers
- 🔆Panel brand & wattage: premium (higher-efficiency) panels cost more per watt.
- ⚡Inverter type: on-grid (string) inverters are cheaper; hybrid inverters (battery-ready) cost more.
- 🏠Roof complexity & access: sloped, shaded or structurally complex roofs increase labour and mounting cost.
- 🔋Battery inclusion: a 5 kWh-10 kWh battery pack adds substantially to the quote.
- 📋Local policy & approvals: how quickly BESCOM approvals and net-metering are handled can affect soft costs.
How much energy will a 5 kW system produce in Bangalore?
Bangalore has good solar potential. A conservative planning figure for usable generation is ~4.5-5.5 kWh per kW per day (often averaged to ~5 peak-sun hours for simple estimates).
Rough annual production estimate:
5 kW × 5 peak-sun hours/day × 365 × system_efficiency
If we use 75% system efficiency (losses for inverter, wiring, tilt, dust):
5 × 5 × 365 × 0.75 ≈ 6,844 kWh/year
→ about 6,500-7,200 units/year in practical terms for many Bangalore roofs.
Simple sample quotes (illustrative - use only for comparison)
| Package | Typical components | Indicative all-in price (Bangalore, 2025) |
|---|---|---|
| Budget on-grid | Economy panels (300 W), basic string inverter, standard mounting | ₹1.9-2.4 lakh |
| Mid-range (most common) | 330-370 W mid-tier panels, reliable branded inverter, better mounting | ₹2.8-3.4 lakh |
| Premium + battery | High-efficiency panels, hybrid inverter + 5-10 kWh battery | ₹4.0-5.5+ lakh (battery size major factor) |
Always confirm the panel wattage, inverter model and warranty before comparing.
Quick payback example (simple math)
- 📊Estimated annual production: ~6,800 kWh
- 💰Local electricity rate example: BESCOM residential retail rates in 2025 are roughly ₹5.90-₹6.00 per unit for many slabs
- 💵Annual savings estimate: 6,800 × ₹6 ≈ ₹40,800/year
- ⏱️Simple payback: for a ₹2.8 lakh system: ₹2,80,000 ÷ ₹40,800 ≈ 6.9 years
Note: This is a rule-of-thumb illustration - your actual savings depend on usage timing (day vs night), tariff slab, subsidies and whether you export surplus energy. Use a customised calculation for firm numbers.
Batteries: additional cost & rough sizing
If you want night-time AC or whole-home backup, you'll need batteries. Battery capital costs for residential setups in India in 2025 vary, but broad industry estimates put installed residential battery systems in the general range of ₹18,000-₹30,000 per kWh depending on scale, chemistry and balance-of-system choices.
A small 5 kWh usable battery (basic backup) therefore often adds roughly ₹90,000-₹1.5 lakh to your system; larger packs for AC backup add proportionally more.
💡Practical tip: If your goal is daytime bill savings only, skip the battery initially - add a battery later if you need night backup.
Net-metering, approvals & Karnataka policy (short)
Karnataka's rooftop / distributed PV framework and BESCOM processes have been updated recently (2024-2025 era) to streamline approvals and flexible metering options for rooftop customers.
Check the BESCOM rooftop portal and the latest KERC orders for precise steps and forms - your installer should assist with the application and grid-connection process.
How to get a reliable, comparable quote - vendor checklist
Ask every vendor to provide this in writing:
- ✓Panel make & model (watt & efficiency)
- ✓Inverter make & model and warranty period
- ✓Mounting & structure details, corrosion protection and warranty
- ✓Line-item costs for panels, inverter, BOS, labour, GST & other fees
- ✓Estimated annual production (kWh/year) for your exact roof
- ✓Net-metering support (will they apply to BESCOM on your behalf?)
- ✓Payment & warranty terms (product vs performance warranty)
Compare line items - the cheapest total may hide sub-standard components or short warranties.
Quick checklist for homeowners (what to do next)
Request 3 local quotes (ask for the line-item checklist above).
Ask for an on-roof site visit - shading and roof orientation change system size & price.
Decide battery later if your main goal is daytime bill reduction (you can add batteries later).
Confirm BESCOM/net-metering support - ask the installer to handle paperwork and timelines.
Check warranties: panel performance warranties (25 years typical) and product warranties (5-12 years for panels; inverter warranties vary).
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