Browse our most common questions or search for exactly what’s on your mind — we’ve answered everything from panel efficiency to billing, warranties to wildlife impact.
Across 6 categories
Business hours
Without a site visit
Active customers
GreenForce systems are compatible with the vast majority of residential and commercial roof types found across Indonesia — including:
The only roofs we cannot work with are those containing asbestos or those with structural load issues. Our free site visit includes a full roof load assessment — we’ll tell you honestly if there are any constraints before any commitment is made.
Modern monocrystalline solar panels have a proven operational life of 30–40 years. The performance warranty Verdara provides guarantees that your panels produce at least 80% of their rated output after 25 years. In practice, well-maintained panels in tropical climates often exceed this.
The inverter — the electronic component that converts DC power to AC — typically lasts 10–15 years and is the component most likely to need replacement over a panel’s lifetime. Verdara inverter warranties cover 5–10 years depending on model, and replacements are straightforward and relatively inexpensive.
The number of panels depends on three things: your monthly electricity consumption, your available roof area, and your budget. As a rough guide, each kWp of installed capacity requires approximately 5–7 m² of roof space and consists of 2–3 panels.
For a typical Indonesian household with a PLN bill of Rp 1.5–2.5 million per month, a 4–6 kWp system (8–12 panels) typically reduces the bill by 70–90%. Your free site assessment gives you the exact number based on your actual data.
Most residential installations complete in 1–3 business days from the moment our team arrives on site. Commercial installations typically take 3–10 days depending on system size and roof complexity. Large industrial systems can take 2–6 weeks.
We schedule installations on days that are convenient for you, and our teams clean up fully at the end of each day. You will be fully operational — and saving money — within days of the work completing.
Yes — solar panels generate electricity from diffuse light, not direct sunlight. On a fully overcast day, your panels will typically produce 10–25% of their peak output. This is still meaningful production, and Indonesia’s overall annual sunshine average of 4.5–6.5 peak sun hours per day means the math works strongly in your favour over the full year.
Our system designs already account for local cloud cover and rainy season data from your specific location. You are never promised a number that assumes constant sunshine.
GreenForce systems are compatible with the vast majority of residential and commercial roof types found across Indonesia — including:
The only roofs we cannot work with are those containing asbestos or those with structural load issues. Our free site visit includes a full roof load assessment — we’ll tell you honestly if there are any constraints before any commitment is made.
GreenForce systems are compatible with the vast majority of residential and commercial roof types found across Indonesia — including:
The only roofs we cannot work with are those containing asbestos or those with structural load issues. Our free site visit includes a full roof load assessment — we’ll tell you honestly if there are any constraints before any commitment is made.
GreenForce systems are compatible with the vast majority of residential and commercial roof types found across Indonesia — including:
The only roofs we cannot work with are those containing asbestos or those with structural load issues. Our free site visit includes a full roof load assessment — we’ll tell you honestly if there are any constraints before any commitment is made.
GreenForce systems are compatible with the vast majority of residential and commercial roof types found across Indonesia — including:
The only roofs we cannot work with are those containing asbestos or those with structural load issues. Our free site visit includes a full roof load assessment — we’ll tell you honestly if there are any constraints before any commitment is made.
GreenForce systems are compatible with the vast majority of residential and commercial roof types found across Indonesia — including:
The only roofs we cannot work with are those containing asbestos or those with structural load issues. Our free site visit includes a full roof load assessment — we’ll tell you honestly if there are any constraints before any commitment is made.
Every project in this portfolio started with a free site assessment. It’s still free, still takes 5 business days, and the results still speak for themselves.
+62 21 8800 9900
hello@greenforce.com
Jakarta.Surabaya.Medan
