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Bandung is cool, AC runs less, PLN bills don't reach Jakarta levels. Looked at purely from a savings angle, solar in Bandung is marginal, mostly because your bill is already relatively small. But if what you're after is long-term energy control (a home that doesn't have to ride PLN's tariff curve, plus electricity you produce yourself while you're WFH), Bandung has its own profile: irradiance is lower, but daytime self-consumption is high, since plenty of homes in Dago, Setiabudi, and Antapani are full of WFH and home-office residents. That pushes the % of household demand met by panels surprisingly high.
TL;DR
- Independence level: a 2.5 kWp system in Bandung covers about 50 to 70% of a 2200 VA home with a Rp 1.2 million bill, depending on your WFH pattern.
- Rough cost: Rp 35 to 45 million for 2.5 kWp. Rp 55 to 65 million for 4 kWp.
- Payback: 6 to 8 years on a Rp 1 to 1.5 million monthly bill.
- Climate: irradiance 4.3 kWh/m2/day (below Indonesia average). Nominal output ~100 kWh per kWp per month.
- Best fit: WFH households, 2200 to 3500 VA connection, daytime-dominant electricity use.
- Not a fit: if you work a 9-to-5 outside the home with nighttime-dominant use (offset drops to 40 to 50%).
Why Bandung is different from Greater Jakarta or Surabaya
Irradiance: 4.3 kWh/m2/day on annual average. Compare Surabaya at 5.2 and South Jakarta at 4.8. The same panels produce 15 to 20% less output in Bandung.
Roof temperature: cooler. Solar panels work more efficiently at lower temperatures (temperature coefficient is about -0.35% per degree C above 25C). On a Bandung roof that rarely hits 40C+ (unlike Jakarta), real-world panel performance stays closer to spec-sheet numbers.
Usage pattern: a WFH and student city. Daytime consumption runs high (laptops, PCs, brief midday AC, electric stove for lunch). Self-consumption rate can be high if you're home during the day, which is the best case for solar.
Solar panel pricing in Bandung
| System | Fits a bill of | Complete package |
|---|---|---|
| 2 kWp grid-tied | Rp 700,000 to 1 million | Rp 28 to 35 million |
| 2.5 kWp grid-tied | Rp 1 to 1.5 million | Rp 35 to 45 million |
| 3.5 kWp grid-tied | Rp 1.5 to 2 million | Rp 50 to 60 million |
| 5 kWp grid-tied | Rp 2 million+ | Rp 60 to 75 million |
Payback for a typical Bandung home
Profile: a single-family 2200 VA home in Setiabudi, Rp 1.2 million/month bill, one full-time WFH resident.
- Install 2.5 kWp, monthly output ~275 kWh (lower than Surabaya)
- Monthly savings (offset 70% from high self-consumption): ~Rp 390,000
- Investment Rp 40 million, conservative payback ~8.5 years
- If your daytime use is more aggressive (AC plus electric stove): payback ~7 years
Use the calculator for numbers specific to your home.
When solar doesn't fit you in Bandung
- You work a 9-to-5 outside the home (low daytime self-consumption, and after Permen ESDM 2/2024 grid exports get no credit, so payback stretches without a battery).
- Your PLN bill is under Rp 700,000/month (Bandung often runs this low because of light AC use).
- Mountain-side homes with heavy shading (common in North Bandung).
If you're not sure which profile fits you, just chat with us. We can read your last 3 months of PLN bills and give you a concrete answer.
Use the calculator for numbers specific to your home. Or chat with us on WhatsApp.
Frequently asked questions
Worth it, though panel output is roughly 10 to 15% lower than in Surabaya or South Jakarta because Bandung's irradiance averages 4.3 kWh/m2/day. Plus side: cooler roof temperatures push real-world panel efficiency higher, which claws back some of that offset.
