30 kW Solar for a Factory: Limits, Price References and Quote Inputs
Decision details
Fits if: Factories/warehouses able to provide bills, load profile, voltage class and MD where applicable.
Main drawback: A 20 kW advertisement or retail band is not a site quote for 30 kW; a domestic TNB example is not an industrial yield forecast.
Compare: MD, interval load, voltage class, inverter kWac, panel kWp, feasible mounting location, export limit, planned connection window and itemized scope.
In this guide
Check the limits and units first
The recorded non-domestic ATAP limit caps inverter output at 100% of site maximum demand (MD) and records a 1,000 kW maximum, subject to utility network assessment [source]. This is not a sizing recommendation or approval guarantee. Check the account’s MD and confirm the applicable connection route.
| Term | Meaning | Ask the provider to state |
|---|---|---|
| kWac | Inverter AC output; ATAP limit and fee unit | Inverter model and kWac output |
| kWp | Peak DC panel capacity | Module models and total kWp |
| kWh | Energy generated or used over a period | Dated estimate and site assumptions |
| MD | Site maximum demand | Value, measurement period and tariff class |
The cited export MAQ formula is kWac × 5 hours × billing period [source]. The recorded SEDA application fee is RM7.50/kWac; an application amendment above 72 kW carries RM75 [source]. Confirm current amounts and process before committing.
Price references are not a 30 kW quote
No single market price or site-specific 30 kW quote is established here. A capture dated 29 September 2026 shows one seller displaying a turnkey 20 kW system at RM58,000–72,000; this is that seller’s dated display, not an industry rate or a 30 kW price [source]. Do not scale it to create a 30 kW quote.
Request an itemized written total for panel models/kWp, inverter model/kWac, structure and roof work, switchboard, protection, connection study, installation, fees, monitoring, service, exclusions and payment terms.
Daily generation needs a site scenario
“30 kW” alone cannot calculate daily kWh; it may refer to panel capacity or inverter output. The cited TNB example is a 5 kWp domestic system and cannot be scaled linearly to a factory or warehouse [source]. Ask for a written monthly estimate stating kWp, orientation, shading, weather, losses, export limits and daytime loads that can use the energy.
Check tariff class and charges that may be affected
Factory bills depend on voltage class and tariff structure. The cited general low-voltage tariff record lists energy at 27.03 sen/kWh, capacity at 8.83 sen/kWh, network at 14.82 sen/kWh, plus RM20 monthly retail charge [source]. The cited general medium-voltage record lists MD capacity at RM29.43/kW-month and network at RM59.84/kW-month, totalling RM89.27/kW-month [source] [source]. Confirm the tariff class and current bill terms on the actual account.
Solar may reduce imports when generation overlaps with load. Any MD effect must be tested against interval data showing whether generation coincides with the measured peak. Surplus export and credit follow separate rules; do not apply domestic tariff assumptions to an industrial account [source] [source].
Prepare a design brief
Provide several months of bills, interval load, MD, operating hours, voltage class, electrical single-line diagram, roof/site rights, critical loads and export constraints. Ask the provider to state generation assumptions, self-use/export, full price and operating/contract terms. The Solar ATAP programme period is up to ten years; this is not an equipment-life limit. After ATAP ends, the PV installation may continue operating for self-consumption subject to the applicable requirements. Check the actual agreement, including termination and transfer terms [source].
Compare the mounting location and work window
For each feasible rooftop or ground-mounted design, ask for a marked layout and written comparison of usable area, site access and rights, shade, roof or ground conditions, cable route, maintenance access, required work and its itemized cost. Do not choose from the label alone; a provider needs to confirm the site-specific design and output assumptions.
Ask whether the proposed electrical connection requires isolating equipment or shutting down any process. If it does, record the affected equipment, expected dates and duration, dependencies, the person coordinating with site operations, contingency and any separate charge in the proposal. Resolve the timing with the factory’s operating team before accepting the schedule. One installer’s statement about shutdown windows does not establish that every factory project needs one or follows the same duration.
Frequently asked questions
How much does a 30 kW factory solar system cost?
No market price or site-specific 30 kW quote is established here. In a capture dated 29 September 2026, one seller displayed a turnkey 20 kW system at RM58,000–72,000; that is its dated advertisement, not a 30 kW price or market range [source].
How much energy does a 30 kW system generate per day?
The label alone cannot establish this. Request a written monthly estimate stating kWp, orientation, shading, weather and site losses. Do not scale the domestic TNB example linearly.
Does 30 kW mean 30 kWp or 30 kWh?
Not necessarily. kWac is inverter output, kWp is panel DC capacity and kWh is energy generated or used [source]. Ask for all applicable figures separately.
How does solar change a factory bill?
The effect depends on tariff class, load timing, MD and exported energy. Use actual bills and interval data and request a written scenario; the tariff alone does not prove savings.
Should a factory choose rooftop or ground-mounted solar?
There is no universal answer. Ask the provider to compare feasible locations using usable area, roof or ground conditions, site access and rights, shade, cable route, maintenance access, required work and itemized cost. Request a marked layout for each option; a roof or ground label alone does not establish fit or output.
Will connecting rooftop solar require a switchboard shutdown?
Ask the provider whether the proposed connection work needs an isolation or shutdown window at your site. If so, get the affected equipment or process, expected dates and duration, dependencies, coordination owner, contingency and any separate cost in writing. Requirements depend on the actual design and site; do not assume every project needs a shutdown or the same outage period.