Enphase Battery Cost: What You Will Pay in 2026
Written by HyreSolar Research Desk Price compilation from published, dated sources
The short answer
Enphase Battery Cost depends mainly on system size, equipment and roof, and this page gives the installed range from dated, sourced quotes. Across 14 published, dated sources retrieved October 22, 2026, one IQ Battery 5P installed runs $7,350–$8,000 before incentives.
That figure is for a single 5 kWh unit. Most homes that want real backup install two or more, and the first unit carries the system controller, so the second costs less than the first.
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 (15 quotes, dated)
Enphase IQ Battery 5P, one unit installed: $7,350–$8,000, the median low to the median high across the 14 comparable published figures below (1 more are listed in other units or bases and are not averaged in). The full spread runs from $3,200 to $13,000.
| Source | Published figure | Basis | Source date | Retrieved |
|---|---|---|---|---|
| AgentSolar | $7,200 | one IQ Battery 5P installed, before incentives (competitive market price) | 2026-10-21 | 2026-10-22 |
| NRG Clean Power | $7,000 | one IQ Battery 5P installed, before incentives | 2026-04-12 | 2026-10-22 |
| NRG Clean Power | $7,500 to $8,500 | one IQ Battery 5P installed, before incentives (California installer quote data) | 2026-08-19 | 2026-10-22 |
| SolarWattCalc | $8,000 to $10,000 | one IQ Battery 5P installed, before incentives | not stated (2026) | 2026-10-22 |
| SmartEnergyUSA | $6,000 to $8,000 | one IQ Battery 5P installed, before incentives | not stated (2026) | 2026-10-22 |
| North NJ HVAC | $3,200 to $6,000 | one IQ Battery 5P installed, before incentives | 2026-05-30 | 2026-10-22 |
| PickComfort | $6,000 to $13,000 | installed single-unit system, midwest labor | 2026-05-23 | 2026-10-22 |
| SolarTech | $10,348 to $12,500 | single-battery system incl. system controller and installation | 2026-04-30 | 2026-10-22 |
| SolarSavingsHub | $7,500 | estimated installed cost, one unit | 2026-09 | 2026-10-22 |
| Jouleio | $9,500 | installed price, before incentives | 2026-09-17 | 2026-10-22 |
| ElectrifyCalc | $5,000 to $6,500 | installed cost, 1 unit | 2026-06-09 | 2026-10-22 |
| NuWatt Energy | $8,500 | installed per unit; New England project records; System Controller extra on first unit | 2026 | 2026-10-22 |
| 8MSolar | $7,500 to $8,000 | one unit installed | 2025 | 2026-10-22 |
| OhmSnap | $5,000 to $8,000 | per unit fully installed | 2026 | 2026-10-22 |
| EnergySage | $14,290 (for 10 kWh (listed, not counted)) | Enphase typical 10 kWh battery, no incentives (H1 2026 marketplace) | 2026-07-13 | 2026-10-22 |
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 Battery sizing tool
What moves the price of an Enphase battery
Unit count moves the total most. The IQ Battery 5P is a 5 kWh module, so capacity is bought in 5 kWh steps: one unit for a few critical circuits overnight, two or three for a fridge, lights, internet and a gas furnace blower, more for whole-home backup.
Each extra module adds hardware and a little labor, but not the fixed costs of the first one.
The first unit carries the fixed costs. Backup needs the IQ System Controller, which islands the home from the grid in an outage, and often a backup loads subpanel so the batteries only feed chosen circuits.
Some published single-unit figures include the controller and subpanel, some do not, and that is why the sourced range is wide. Check which kind of figure a quote is before you compare it with the range above.
Your existing solar matters less than with most brands. Enphase batteries are AC-coupled, each with its own built-in microinverters, so they can be added to an Enphase microinverter system or to a home with a string inverter.
On an Enphase system the battery shows up in the same app as the panels, which is the main reason Enphase owners choose it over a larger single-cabinet battery that may cost less per kWh.
Price by size and setup
Enphase storage is bought in modules; the pages below cover the other ways to buy storage.
| If your project is | Read | Why it differs |
|---|---|---|
| One 5P for a few circuits | The range above | Includes the first-unit costs: controller, wiring, permit. |
| Several units, whole-home backup | Whole home battery backup | Modules after the first skip the controller, but whole-panel backup may need a service upgrade. |
| A battery added to panels you already own | Add a battery to existing solar | AC coupling avoids replacing a working inverter. |
| A single large cabinet instead | Powerwall 3 · FranklinWH aPower 2 | Larger kWh per unit, usually a lower price per kWh. |
| Panels and battery together | Solar panels with battery | One permit and one crew visit for both. |
How to check a quote
- 1Count usable kWh, not units
Ask how many 5P modules are quoted and divide the battery price by the total kWh. Compare that figure with other brands, not the unit price.
- 2Find the system controller line
The first unit needs the IQ System Controller for backup. A quote that omits it is not a backup system, and one that adds it twice is overcharging.
- 3Ask which circuits are backed up
A backup loads subpanel decides what runs in an outage. Get the list of circuits in writing; the battery sizing tool shows whether the kWh covers them.
- 4Check for a 30% credit in the math
A cash or loan quote that still subtracts 30% for a homeowner-owned battery is using rules that ended December 31, 2025.
Questions
How much does one Enphase IQ Battery 5P cost installed?
Why does the second Enphase battery cost less than the first?
Can I add an Enphase battery to solar that is not Enphase?
Is there still a federal tax credit for an Enphase battery?
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.