The assessment
How it scores, by category
Market position
The data
Hybrid inverter
Manages PV, battery DC and household AC through the inverter platform.
- Product role
- The battery remains a separate product even when it belongs to the same branded platform.
- Published range
- 4–20 kW
- Phase
- Three phase
- Backup boundary
- Not recorded
Warranty coverage: 10-year term
Coverage includes
Parts only · term longer than 24 of 93 scored inverters
No inverter in the fleet publishes a year-by-year performance or output guarantee the way panels and batteries do - this shows the covered term against the market-typical term and where every scored inverter’s term lands (grey dots, sized by model count), plus what the warranty actually includes.
Verification & sources
Market context
Global evidencechange in the site menu
Global benchmark. This scorecard is benchmarked globally. A global score does not imply local availability, certification, warranty coverage, or installer compatibility.
Benchmark anchor. The score uses the named exact German benchmark; larger stacks, paid states and nearby generations do not transfer evidence. Scored model: PLENTICORE L G3 20.0 · checked 2026-08-16. Evidence.
Sources & references · checked 2026-09-01
Strong evidence coverage
15 of 15 scored criteria link directly to a published source.
Values marked estimated, derived, or not found remain visible on the audit sheet and do not carry the same evidential weight as a linked source. Coverage measures direct links, not an independent guarantee that a claim is correct.
Record revision. German PLENTICORE G3 datasheet September 2025, July 2026 warranty and ZEREZ list checked 2026-08-16. First-market US overlay review 2026-09-01: official United States catalogues recorded; existing Australian and German overlays and scores unchanged.
- Sourced valuesData card →
- Hybrid / battery capabilityManufacturer ↗
Product record history
5 changes to this record · 152 products changed in this update
Source revision
- Before
- German PLENTICORE G3 datasheet September 2025, July 2026 warranty and ZEREZ list checked 2026-08-16
- After
- German PLENTICORE G3 datasheet September 2025, July 2026 warranty and ZEREZ list checked 2026-08-16. First-market US overlay review 2026-09-01: official United States catalogues recorded; existing Australian and German overlays and scores unchanged.
US Status
- Before
- Not previously recorded
- After
- unavailable
US Support Note
- Before
- Not previously recorded
- After
- kostal-solar-electric.com/en-us and the United States PLENTICORE path return 404. German VDE-AR-N 4105 evidence is not UL 1741 evidence and is not transferred onto a United States catalogue.
US Evidence sources
- Before
- Not previously recorded
- After
- https://www.kostal-solar-electric.com/de/produkte/wechselrichter/plenticore/; https://www.kostal-solar-electric.com/en-us/; https://www.kostal-solar-electric.com/en-us/products/inverters/plenticore/
US Certifications
- Before
- Not previously recorded
- After
16 changes to this record · 73 products changed in this update
Value
- Before
- Not previously recorded
- After
- The exact sheet publishes 42 A maximum PV short-circuit current on each L G3 DC input, separate from 30 A operating current.
Value
- Before
- Not previously recorded
- After
- For the scored PLENTICORE L G3 20 kW state, the exact sheet publishes a 227-800 V full-power MPP window inside a 75-900 V working-voltage range.
Evidence sources
- Before
- Not previously recorded
- After
- https://www.kostal-solar-electric.com/fileadmin/downloadcenter/kse/DB/PLENTICORE-G3/DB_PLENTICORE-G3_de.pdf
Value
- Before
- Not previously recorded
- After
- Direct-pv hybrid inverter with 3 independent MPPTs at the scored model boundary.
Evidence sources
- Before
- Not previously recorded
- After
- https://www.kostal-solar-electric.com/fileadmin/downloadcenter/kse/DB/PLENTICORE-G3/DB_PLENTICORE-G3_de.pdf
Evidence sources
- Before
- Not previously recorded
- After
- https://www.kostal-solar-electric.com/fileadmin/downloadcenter/kse/DB/PLENTICORE-G3/DB_PLENTICORE-G3_de.pdf
Value
- Before
- Not previously recorded
- After
- The exact sheet publishes 22.1 kVA starting apparent power for at least five seconds in backup mode against 20 kVA nominal backup output. This is not general grid-tied continuous output.
Evidence sources
- Before
- Not previously recorded
- After
- https://www.kostal-solar-electric.com/fileadmin/downloadcenter/kse/DB/PLENTICORE-G3/DB_PLENTICORE-G3_de.pdf
1 change to this record · 13 products changed in this update
Product record
kind: inverter; brand: KOSTAL; name: PLENTICORE G3; model: PLENTICORE S/M/L G3 with nine activated output states from 4.0 to 20.0 kW; scored PLENTICORE L G3 20.0; score: 62.7
Primary datasheet
This is review.solar's publication history. It does not claim the product changed on the recorded date, and it excludes compatibility, system pairing, installation suitability and relative leaderboard prose. Open the complete JSON record.
Evidence timeline
Recorded verification events for this scorecard. These are evidence checks, not historical score snapshots.
- Core scorecard evidence checked
- US market evidence checked
- DE market evidence checked
- Series benchmark evidence checked
Scored by Solar Analytica Research
Further reading from Findings
Stay across the benchmark.
New scorecards, score changes and market signals, published as they happen.
Our reading
PLENTICORE G3 scores 63, placing 55 of 61 in the Inverter class against a class average of 70.2. Its strongest scoring dimension is efficiency (74), running 5.1 points above the class average on this dimension. Energy Ecosystem scores 40, the lowest pillar for this product. The class average on energy ecosystem is 46. Key specifications: 98.21% peak efficiency, 3 MPPT inputs, 10-year warranty.