Energy Storage Systems
Community Energy storage solution for 10 households
Community living project with a central battery system. The battery system is made out of re-used EV batteries and stores excess solar energy.
However, the main target is peak-shaving, allowing the community to have a lower power grid connection, which puts less strain on the grid and saves annual costs.
A further solution was developed to control the electric water heaters. This is done for peakshaving purposes as well as storing excess solar energy in hot water.
Development of battery systems for home and mobile applications.
For home applications LFP and Sodium-ion batteries are used in combination with various inverters, to match the use case.
The battery systems can have several goals:
- Increase self consumption
- Work with dynamic (hourly) pricing
- Back-up power
Typically only 30% of the solar power generated on a home is used by the home itself, the remaining 70% is exported to the grid. With a battery system the self-consumption of solar energy can be improved to between 60% and 80%.
Using dynamic hourly pricing tarrifs, you can reduce cost by buying energy at cheaper hours and consuming it later.
Sodium-Ion battery system
7.6kWh 48 volt Sodium-ion battery for home use.
Can be placed externally, provides most if its capacity down to -30 Celcius.
These systems are not widely available yet.
For mobile applications we develop LFP or NMC battery systems, depending on the use case.
Where requirements of space, weight and temperature are not that strict, LFP is used.
For applications which have less space or weight is important, NMC batteries are used. The NMC battery modules are sourced from the EV industry and used together with European made Battery Management Systems, R10 certified.
