Cheap vs Expensive Solar Companies: What the Price Gap Actually Buys
Decision details
Fits if: Homeowners comparing two installation proposals with similar capacities.
Main drawback: Specific company reputations are not assessed here — no measured evidence in this page's sources; this page endorses no installer.
Compare: DC capacity and AC output; panel/inverter models; included and excluded work; final price and optional charges; issuer, term and claim process for each warranty.
In this guide
Short answer: make the scope comparable first
Start with DC capacity (kWp), AC output (kW), model numbers, work and exclusions. Dated 2026 installation advertisements show ranges around 5 kWp and 10 kWp, but ads are not quotes for your home and do not establish equivalent packages. [source] [source] Price is comparable only after these basics match.
Focus on differences visible in the documents: component models, included/excluded work, optional charges, and equipment/workmanship warranties. Do not assume a premium buys more output or better service without written terms.
Advertisements for approximately similar system sizes
| Approximate size | Advertised range | Median of line midpoints | Data scope |
|---|---|---|---|
| Around 5 kWp | RM15,000–RM30,000 [source] | RM19,499 | 12 ads, 5 pages; ±0.6 kWp tolerance |
| Around 10 kWp | RM22,999–RM60,000 [source] | RM36,250 | 14 ads, 7 pages; ±0.9 kWp tolerance |
These are advertised prices, not 12 or 14 verified contracts. The median is calculated from advertised line midpoints. The range does not prove panel type explains the difference; ask for the breakdown in your proposals.
Which component differences can justify a higher offer?
Panel model. A third-party comparison site dated June 2026 advertises a 10% to 15% upfront N-type premium for several named models. This is not a uniform offer or proof of lifetime energy from your home system. [source] Ask for the full model, specification sheet and actual price difference.
Written warranties. Jinko’s April 2024 document lists power-degradation warranty ceilings for model JKMxxxN-72HL4-(V)-L: 1.00% in year one, then 0.40% per year under a 30-year warranty. This is not measured output or a term for every product. [source] Ask for the document matching the quoted model and separate panel, inverter, battery and workmanship claims. See solar warranty when the company closes.
Installation and support scope. Directory counts do not prove who will take your call, actual service area or response time. Ask which party handles installation and warranty claims, the complaint route, possible visit charges and whether responsibility continues if the installer changes.
When can a lower price still be considered?
Consider a lower price when the proposal is complete and you understand its scope. Record DC capacity; inverter AC output; panel/inverter/battery models; included work/materials; excluded structural, wiring or application work; extra charges; quote-validity date; equipment and workmanship warranties; and who takes a claim. If a key line is blank, ask for a written answer first. See comparing residential solar quotes and choosing a terrace-house installer.
Screening arithmetic only: written installed total ÷ DC capacity in kWp = RM/kWp. Do not compare if one quote excludes work the other includes; kWp is also not AC output or energy yield.
WhatsApp on this page is for general questions only. If you are considering a new solar installation on an existing landed home in Peninsular Malaysia, see the residential quote guide for the next steps and enquiry route described there.
Frequently asked questions
My solar quote is far cheaper than the others — automatic red flag?
A low price alone proves neither fraud nor savings. The recorded range is from installation advertisements, not equivalent home contracts. [source] Ask for DC/AC capacity, component models, included/excluded work and charges, and the issuer and administrator of each warranty in writing. Delay a decision if key lines remain blank.
Are expensive (N-type) panels really worth it?
SolarCompare published a 10% to 15% upfront premium claim for several named N-type models; this is a third-party statement, not a current offer comparison or proof that every N-type model is better value. [source] Check the full model number and warranty sheet for the module offered. Jinko's 2024 example applies only to listed models. [source]
What should I compare in warranties and support?
Do not treat module, inverter, battery and workmanship warranties as one. Record each issuer, term, inclusions/exclusions, claim steps and contact if the installer changes. The Jinko 2024 example covers only the models listed, not every panel. [source]
How do I use the band medians in my decision?
The medians of advertised line midpoints were RM19,499 for systems around 5 kWp and RM36,250 around 10 kWp. [source] [source] Treat them as dated context. Ask what the advertisement and your offer include; your quote does not need to match the median.