KostaL pLENTICORE g3
Your high-performance hybrid inverter for private and commercial solar systems. Efficient. Robust. Future-proof.
Highlights at a glance
- Up to 20 kW hybrid power
- Highest efficiency for maximum yield
- Wide DC input voltage
- Integrated backup function
- Can be used flexibly as a hybrid, PV or battery inverter
- Simple and intuitive commissioning via app, web interface or display
- Available from Q2 2026
* Activation required
PLENTICORE G3 perfect for every application
Private households
For maximum self-consumption optimization
Commercial use
High reliability with modular scaling
Specialist partner
Simple commissioning and monitoring
KOSTAL PLENTICORE G3
Maximum energy from your PV system
The PLENTICORE G3 converts your solar energy into usable grid power with high efficiency. It integrates battery storage connection and backup function on one platform. Whether new build or retrofit: this inverter creates performance and reliability for years to come.
The EnergyConnect Bundle
Three components. One system. Many advantages.
The EnergyConnect bundle combines generation, storage and control to create an integrated energy solution. Technically coordinated.
Economically attractive: M-TEC Energy-Hero with a special discount of €250*.
Intelligently networked, flexibly controlled, future-proof integration.
- Optimally coordinated communication between all components
- No additional grid meter required – less hardware, lower costs
- Ready for future energy services and the use of dynamic electricity tariffs
- Seamless integration of the M-TEC product world and selected third-party providers
- Active battery control for flexible applications and maximum energy efficiency
KOSTAL PLENTICORE G3
The intelligent link between PV generation, the grid and storage. Precisely tailored to high self-consumption rates and stable grid management.
M-TEC Energy-Hero
The smart meter optimizes self-consumption. Combines photovoltaics, storage, heat pump and e-mobility into a clearly controlled overall system.
M-Tec Energy Tower
The modular high-performance storage system from Europe. Scalable, robust and designed for networked applications for 9.6 - 46, 1 kwh (2-10 modules).
* The amount will be deducted from the price of the ENERGY-TOWER when ordering. For individual orders outside the bundle, the current list prices apply. Promotion valid until 30.9.2026.
| Feature | MP G3 S | MP G3 M | G3 S | G3 M | G3 L |
|---|---|---|---|---|---|
| Phases | 1-phase | 1-phase | 3-phase | 3-phase | 3-phase |
| AC power range (kW) | 3,0 / 4,0 (3,6) | 4,6 / 6,0 / 7,0 | 4,0 / 5,5 / 7,0 | 8,5 / 10 / 12,5 | 15,0 / 17,5 / 20,0 |
| Power activation | 1 PLENTICOIN per power level (max. 1 level) | 1 PLENTICOIN per power level (max. 1 level) | 1 PLENTICOIN per power level (max. 2 levels) | 1 PLENTICOIN per power level (max. 2 levels) | 1 PLENTICOIN per power level (max. 2 levels) |
| Max. PV output (kWp) | up to 6 | up to 10.5 | up to 10.25 | up to 18.75 | up to 30.0 |
| MPP working range | 75 - 900 | 75 - 900 | 75 - 900 | 75 - 900 | 75 - 900 |
| Rated DC voltage (V) | 650 | 650 | 650 | 650 | 650 |
| MPP tracker | 2 | 2 | 3 | 3 | 3 |
| DC inputs per MPPT | 1 / 1 | 1 / 1 | 1 / 1 / 1* | 1 / 1 / 1* | 1 / 1 / 1* |
| MPP voltage range (V) | 50 - 550 | 50 - 550 | 80 - 800 | 170 - 800 | 170 - 800 |
| Max. Efficiency (%) | 97,7 | 98 | 98,03 | 98,14 | 98,21 |
| Cooling | Intelligent fan | Intelligent fan | Intelligent fan | Intelligent fan | Intelligent fan |
| Dimensions (mm) | 561 × 409 × 237 | 561 × 409 × 237 | 561 × 409 × 237 | 561 × 409 × 237 | 561 × 409 × 237 |
| Weight (kg) | 18,6 | 20,3 | 21,8 | 22,3 | 24,3 |
| Protection class | IP65 | IP65 | IP65 | IP65 | IP65 |
| Backup-capable | yes** | yes** | yes* | yes* | yes* |
* DC3 input can be used either for PV or battery. Battery function requires 3 Plenticoin.
** The Kostal Backup Switch is required for the backup function.
Note: One PLENTICOIN is required for each power level.
Quality and origin
The KOSTAL PLENTICORE G3 is developed and produced according to high European quality standards. Each inverter undergoes rigorous testing for safety, reliability and long-term stability. Components, protective functions and software are designed to deliver long-lasting performance. Our service and support structures support you throughout the entire service life of the system.
With the PLENTICORE G3, you are investing in
- Energy independence: use more of the electricity you generate.
- Efficiency: more yield from your PV system.
- Flexibility: compatible with storage and expansion options.
- Future-proof: prepared for smart grid and energy management.
