22/10/2024

KOSTAL Smart Energy Meter G2 now EEBUS-capable: Wallbox ENECTOR with new possibilities

More options, more efficiency, more potential savings. That's what the new update for the KOSTAL Smart Energy Meter G2 brings.

Thanks to the new "EEBUS" function, which is now available via update, a consistently high charging performance of the ENECTOR wallbox is possible despite a possible curtailment by the grid operator due to §14a. For more efficiency and more savings potential.

Maximum efficiency with KOSTAL

The latest software update 2.5.0. for the second-generation KOSTAL Smart Energy Meter (G2) brings a significant innovation: the integration of the EEBUS standard.

In the context of §14a EnWG, the grid operator is able to access controllable consumers such as wallboxes in the event of imminent grid overload in order to limit consumption to 4.2 kW and thus smooth load peaks.

Thanks to EEBUS-compatibility, the KOSTAL Smart Energy Meter can communicate with the KOSTAL Wallbox ENECTOR, so that the vehicle can be charged with additional surplus energy from the domestic PV system at the grid connection point, in addition to the maximum possible 4.2 kW.

To connect the KOSTAL Smart Energy Meter G2 to the ENECTOR, the chargeable comfort functions of the Wallbox control unit must be activated in the KOSTAL Smart Energy Meter G2.

Communication between the Wallbox and grid operator is standardised and secure, enabling the grid operator to reduce the electric vehicle's charging power if necessary without compromising the user's safety or comfort.

Also new: manual phase switching for the ENECTOR wallbox

Another highlight is the option to manually switch between single-phase and three-phase charging during the charging process. This flexibility offers extremely efficient use of available energy for charging the e-car. If three-phase charging is carried out in Solar Pure Mode, but the available energy is still below 4.1kW, the connected home storage unit is charged first for later use. The three-phase charging process then begins at a surplus of 4.1 kW and can increase up to 11 kW. If the surplus falls below 4.1 kW, the wallbox switches off. This can be avoided by the user manually switching to single-phase charging during charging.

When charging with a single phase, the charging process starts at 1.4 kW. Any energy above 3.7 kW then flows into the connected domestic battery for later use. However, if more energy is to be used to charge the vehicle, the ENECTOR can now also be switched to three-phase charging during the charging process, enabling charging with solar surplus of up to 11 kW.

For households and e-car owners, this is a win-win situation: on the one hand, they can increase their self-consumption rate and save costs by integrating the wallbox into the energy management system, and on the other hand, they contribute to grid stability by being able to react flexibly and automatically to grid operator requests thanks to the integration of the digital interface via EEBUS.

What does EEBUS mean?

EEBUS is an open and cross-manufacturer communication protocol developed to standardise the exchange of information between different energy consumers and producers in a household. These include, among others, photovoltaic systems, home storage systems, heat pumps and now the Wallbox ENECTOR.