Commercial grants available — SEAI Non-Domestic Microgen · TAMS III (agri, up to 60%) · Accelerated Capital Allowance year-1 write-off.
Huawei · 3-Phase Commercial Hybrid · Ireland 2026
Huawei SUN2000-6KTL-M1 6kW — Ireland 2026
Three-phase Huawei hybrid — FusionSolar ecosystem for commercial sites
The Huawei SUN2000-6KTL-M1 is the three-phase equivalent of the market-leading SUN2000-5KTL-L1 — designed for commercial properties, larger homes, and farm buildings with a 3-phase electricity supply. It pairs with the same Huawei Luna2000 battery ecosystem, FusionSolar monitoring, and 10-year warranty as the residential model. If your property has a 3-phase supply (common in commercial buildings, industrial units, farms and some larger Irish homes), a 3-phase inverter is required to balance the load across all three phases.
6kW98% efficiency10-yr warrantyIP653-Phase🔋 Battery ready⚡ Backup powerSEAI grant
⚙️ Technical Specifications
Inverter type
3-Phase Commercial Hybrid
Rated output
6 kW
Power range
5–10 kWp
Efficiency
98%
MPPT inputs
2
Phase
3-Phase
Battery compatible
Yes — Huawei Luna2000
Backup power
✓ Yes
Monitoring app
FusionSolar
WiFi included
✓ Yes
Warranty
10 years
IP rating
IP65
Suitable for
Commercial / 3-Phase
💰 Pricing & grants
⚡ This inverter — Step 2 of system
~€1,650 supply price
You still need: panels · mounting · installation labour
💰 Irish solar grants for commercial installations
SEAI Non-Domestic Microgen grant · SEAI TAMS III for agri buildings (up to 60%) · Accelerated Capital Allowance (full year-1 write-off). Always verify eligibility at seai.ie before contracting.
If your business, farm building or large property has a 3-phase electricity supply, this is the correct inverter type — a single-phase inverter cannot balance a 3-phase supply and will cause harmonic imbalance issues
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Full FusionSolar commercial monitoring
The same FusionSolar ecosystem as residential, with additional commercial reporting features — daily generation reports, system performance ratio tracking, and multi-site monitoring for businesses with several solar installations
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98.0% efficiency
Top-tier efficiency for a 3-phase hybrid — minimises conversion losses across all three phases at commercial load levels
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3-phase output — required for commercial properties and larger farms
10-year warranty
Backup power on all 3 phases
IP65 — suitable for commercial and light agricultural environments
⚠️ Worth knowing
Huawei Luna2000 battery only — no third-party battery compatibility
Requires 3-phase supply — not suitable for single-phase residential premises
Higher price than single-phase equivalents
📐 System sizes — indicative cost & payback
Estimated generation at 900 kWh/kWp/yr. Commercial system costs include panels, this inverter (~€1,650), mounting and installation. Payback based on a mid-range commercial electricity rate of €0.28/kWh.
System
Panels
Est. generation
Solar only (after grant)
Est. installed
Est. payback
6 kWp
14 panels
~5,400 kWh/yr
~€7,050
~4.7 yrs
8 kWp
19 panels
~7,200 kWh/yr
~€8,850
~4.4 yrs
10 kWp
24 panels
~9,000 kWh/yr
~€10,650
~4.2 yrs
15 kWp
35 panels
~13,500 kWh/yr
~€15,150
~4.0 yrs
20 kWp
47 panels
~18,000 kWh/yr
~€19,650
~3.9 yrs
Indicative payback by sector
🏢 Retail & Office
Rate ~€0.22–0.26/kWh. High daytime usage aligns well with solar generation.
Payback: 3–5 years
🏭 Warehouse & Manufacturing
Rate ~€0.26–0.32/kWh. Large roof + high daytime load = strongest commercial ROI.
Payback: 2.5–4 years
🌾 Agriculture (TAMS III)
Rate ~€0.18–0.24/kWh. TAMS III grant up to 60% transforms payback. Apply via Teagasc.
Payback: 1.5–3 years(with TAMS)
Estimates are indicative. Actual payback depends on your electricity tariff, usage profile, system size, roof orientation and applicable grants. Always obtain a site survey and financial model from a qualified commercial solar installer.
🔧 Complete your solar system
The SUN2000-6KTL-M1 6kW is Step 2 — you need panels before it and most Irish homeowners now add battery storage after. Here are the most popular pairings in 2026:
💡 Commercial tip: Most Irish commercial solar installations use LONGi Hi-MO 7 (580W) or JinkoSolar Tiger Neo (580W) panels with this inverter. Fewer panels per kWp means lower mounting and labour costs at scale.
The SUN2000-6KTL-M1 6kW is compatible with all major solar panel brands available in Ireland. See the Solar Panel Directory to compare specifications, pricing and SEAI eligibility for all 13 panels.
The SUN2000-6KTL-M1 6kW supports battery storage. Compatible batteries are listed below. See the Battery Storage Directory for detailed specifications and pricing.
Yes — the SEAI Solar PV Home Grant of up to €1,800 applies to the total installed system cost, which includes the Huawei SUN2000-6KTL-M1 6kW, panels, mounting hardware, cabling and labour. The grant is not awarded per component. Apply at seai.ie before installation begins and receive a Letter of Offer before work starts. A SEAI-registered contractor is required.
The Huawei SUN2000-6KTL-M1 6kW carries a 10-year product warranty from Huawei. In practice, quality inverters from Huawei frequently operate for 15–20 years before requiring replacement. The key factors for longevity are: installation in a cool, shaded, well-ventilated location (not in direct sunlight); proper cable termination torque during installation; and regular firmware updates through FusionSolar.
FusionSolar is consistently rated the best inverter monitoring app by Irish homeowners — real-time generation, battery state, grid import/export, and self-sufficiency percentage displayed clearly. Historical data, daily and monthly charts, and automated anomaly alerts are all included. Updates are frequent and the UI is polished.
Yes — the Huawei SUN2000-6KTL-M1 6kW includes backup power capability. When connected to a compatible battery (Huawei Luna2000), it automatically switches to backup mode during a grid outage, keeping designated circuits live with a switchover time of under 20ms.
Check your electricity meter and the main circuit breaker in your distribution board. A single-phase supply has one live wire (brown), one neutral (blue) and one earth (green-yellow). A 3-phase supply has three live wires (brown, black, grey), one neutral and one earth — and your main breaker will be a 3-pole or 4-pole type. Most Irish commercial properties, farms, industrial units and larger homes above ~200m² are 3-phase. Your ESB Networks connection agreement will also confirm this. If uncertain, ask a RECI-registered electrician to check before ordering your inverter.
Multiple schemes may apply: the SEAI Non-Domestic Microgen grant for smaller commercial systems; TAMS III providing up to 60% grant aid for qualifying agricultural buildings; and Accelerated Capital Allowance (ACA) through Revenue allowing the full capital cost (including the Huawei SUN2000-6KTL-M1 6kW) to be written off against corporation tax in year one. The SEAI Better Energy Communities scheme may also apply for community projects. Verify current eligibility at seai.ie before contracting — grant values and thresholds are updated annually.
A string inverter converts DC solar energy to AC for immediate use or grid export — but cannot charge a battery. A hybrid inverter does the same, and also includes an integrated battery management system (BMS) that can charge and discharge a connected battery storage unit. The Huawei SUN2000-6KTL-M1 6kW is a hybrid inverter — battery storage can be added now or in future. The cost gap between hybrid and string inverters has narrowed significantly — most Irish installers now default to hybrid for all new residential installations.
Check your electricity meter and the main circuit breaker in your distribution board. A single-phase supply has one live wire (brown), one neutral (blue) and one earth (green-yellow). A 3-phase supply has three live wires (brown, black, grey), one neutral and one earth — and your main breaker will be a 3-pole or 4-pole type. Most Irish commercial properties, farms, industrial units and larger residential properties above ~200m² are 3-phase. Your ESB Networks connection agreement will also confirm this. If uncertain, ask a RECI-registered electrician to check.
Yes — the SEAI Non-Domestic Microgen grant applies to commercial, agricultural, and community buildings. For businesses, the SEAI also offers Accelerated Capital Allowance (ACA) through Revenue, allowing the full capital cost of solar equipment (panels, inverters, mounting, installation) to be written off against corporation tax in year one. TAMS III applies to qualifying agricultural buildings. Confirm current eligibility and amounts at seai.ie before proceeding.
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