5 kW Solar System Cost: What You Will Pay in 2026
Written by HyreSolar Research Desk Price compilation from published, dated sources
The short answer
5 kW Solar System Cost depends mainly on system size, equipment and roof, and this page gives the installed range from dated, sourced quotes. Across 14 published sources that price a 5 kW system specifically, the typical installed range is $13,900–$15,100 before incentives.
No 30% federal credit applies to a system a homeowner buys: Section 25D ended for expenditures after December 31, 2025 (what changed).
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Keep learningInstalled price range (14 quotes, dated)
5 kW system, installed total: $13,900–$15,100, the median low to the median high across the 14 comparable published figures below. The full spread runs from $9,750 to $26,140.
| Source | Published figure | Basis | Source date | Retrieved |
|---|---|---|---|---|
| EnergySage | $13,900 | EnergySage size table, before incentives | 2026-06-30 (state table 2026-10-16) | 2026-10-21 |
| Fixr | $15,200 | Fixr table, before incentives | 2026-01-30 | 2026-10-21 |
| SolarReviews | $16,800 | SolarReviews table, total cost pre-incentive | 2026-10 | 2026-10-21 |
| SolarSavingsHub | $15,000 | gross table at $3.00/W (15 kW row inconsistent) | 2026-10-04 | 2026-10-21 |
| NRG Clean Power | $13,750 | estimated, before incentives (tracks EnergySage closely) | 2026-07-25 | 2026-10-21 |
| BLUETTI US | $13,900 | installed, pre-incentive; reprints EnergySage data | 2026-09-28 | 2026-10-21 |
| Paradise Solar Energy | $26,140 | installed, pre-incentive; outlier, installer example | 2026-08-28 | 2026-10-21 |
| ConsumerAffairs | $13,962 | installed, pre-incentive | not stated | 2026-10-21 |
| NuWatt Energy | $16,200 | installed, pre-incentive | not stated | 2026-10-21 |
| The Green Watt | $12,500 to $16,000 | installed, pre-incentive | 2026-04-15 | 2026-10-21 |
| SolarBazaar | $12,500 to $17,500 | installed, pre-incentive | 2026-10-07 | 2026-10-21 |
| Energy Rebate Calculator | $13,750 | installed, pre-incentive | not stated | 2026-10-21 |
| HomeRepairOne | $9,750 to $14,750 | installed, pre-incentive, value equipment | 2026-07 | 2026-10-21 |
| MySolarfy | $12,900 to $17,500 | installed, pre-incentive, illustrative | 2026-08-18 | 2026-10-21 |
Each row is a figure as the source states it, gross of incentives, not adjusted by us. The headline range is a HyreSolar calculation over these rows. No 30% federal credit is subtracted: Section 25D ended for expenditures after December 31, 2025.
Compare quotes from vetted solar installers System size calculator
Who a 5 kW system fits
A 5 kW array suits a smaller home, a household with modest air conditioning, or a roof with limited usable space. It is also the size people choose when export pay is low and they want to cover daytime use rather than the annual total.
At 400 W per panel, 5 kW is roughly 12 to 13 panels; at 430 W, about 12.
What moves the price of a 5 kW system
A 5 kW system sits at the small end of residential solar, so fixed project costs are a larger share of the bill and its cost per watt is usually above the larger sizes.
Two quotes for 5 kW can differ mainly on the inverter: a single string inverter is cheaper than microinverters, which pay off where part of the roof is shaded.
If the service panel is old or small, the panel upgrade can be a large fraction of a 5 kW budget. Ask early.
Price by size and equipment
Neighbouring sizes, each ranged only from sources that price that exact size.
| Size | Sourced range | Sources |
|---|---|---|
| 5 kW | $13,900–$15,100 | 14 |
| 6 kW | $16,800–$19,200 | 22 |
| 8 kW | $20,900–$24,300 | 23 |
| 10 kW | $25,800–$30,400 | 25 |
| 12 kW | $31,100–$36,000 | 14 |
Full tables with every source are on solar cost by system size.
How to check a quote
- 1Confirm it is really 5 kW DC
Panel count × panel wattage should equal 5000 W or very close. The panel count tool checks it.
- 2Compute gross cost per watt
Price before incentives ÷ 5000. Compare that, not the total, across quotes of slightly different sizes.
- 3List what is excluded
Panel upgrade, roof repairs, trenching, critter guard and monitoring subscriptions are the usual change orders.
Questions
How much does a 5 kW solar system cost installed?
How much electricity does a 5 kW system produce?
Can I still take 30% off a 5 kW system?
HyreSolar does not install or finance solar systems. The figures above are other publishers’ published prices, dated and linked; none is a quote for your property. Prices vary with location, roof, equipment, electrical work and financing.