A day-ahead grid limit, enforced in real time
In the Flex2gether pilot, the grid operator ewz set a power limit for a site one day ahead. kuafu kept the EV charging under it almost all the time.
The challenge
Grid operators want flexible loads to follow their limits when the grid is under strain. Before this pilot, no interface of this kind between a grid operator and an orchestration platform had been tested.
How it worked
One day ahead, ewz sent the limit through a SmartGridready functional profile. kuafu planned the charging for this limit, without limiting the users' charging needs, and enforced it in real time. When capacity was free again, kuafu released the charging it had moved.
Results
Compared with a reconstructed load profile without control. The site still met the charging needs of its users: 2.04 MWh in 112 sessions.
What it shows
Through a standard interface, flexibility in buildings can reduce the load on the grid when the grid operator asks for it. This is the rule of grid planning in practice: optimise first, then reinforce. The next steps are more sites and more grid operators.
Source
F. Bellizio, H. Cai, M. Brandes (kuafu AG), “Turning Buildings Into Grid Service Providers: Evidence from Two Swiss Pilots”, VSE PerspectivE, 6 October 2026 (also in German).
See what your flexibility is worth
Tell us about your portfolio or grid area. We reply by email and show how kuafu fits.