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Solar inverter

HagerEnergy SWR12P3

The HagerEnergy SWR12P3 is a solar inverter from HagerEnergy. Rated AC output 12 kW. Listed and verified: VDE-AR-N 4105. Sold in Germany.

Specifications

Rated AC output
12 kW

What the HagerEnergy SWR12P3 does

A solar string inverter turns the direct current from a rooftop array into grid-quality alternating current for the home, and feeds what the home does not use into the grid. With 12 kW of AC output, the HagerEnergy SWR12P3 suits an array of about 12–15.6 kWp, as installers commonly size the panels up to 30% above the inverter's rating.

In Germany, an array of the same size produces about 10,800 kWh a year, assuming a conservative 900 kWh per kWp: worth €832 a year fed into the grid at 7.70 ct per kWh, and up to €3,996 used at home instead of buying power at 37.0 ct.

Estimates. Electricity prices: BDEW Strompreisanalyse, autumn 2026; Bundesnetzagentur, EEG feed-in tariffs from 1 August 2026.

Product details

Product type
Solar inverter
Brand
HagerEnergy
Category
Home Solar & Hybrid Inverters
Sold in
Germany
Listed in
ZEREZ (FGW, Germany)

Models (1)

Model AC output
SWR12P3 12 kW

Certifications

CertificationMarketStatusReferenceValid until
VDE-AR-N 4105 Germany ✓ Verified 20 October 2026 21-450-01

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