How long do the challenges last?

The challenges can last up to seven hours and are carried out in three phases, depending on the type of devices included, at the following times:

Thermostats

• Morning challenge: an optional preheating phase from 4 a.m. to 6 a.m., a reduction phase from 6 a.m. to 10 a.m., and a recovery phase from 10 a.m. to 11 a.m.
• Evening challenge: an optional preheating phase from 3 p.m. to 5 p.m., a reduction phase from 5 p.m. to 9 p.m., and a recovery phase from 9 p.m. to 10 p.m.

Electric water heater controller

• Morning challenge: a reduction phase from 6 a.m. to 10 a.m. and recovery at 10 a.m.
• Evening challenge: a reduction phase from 5 p.m. to 9 p.m. and recovery at 9 p.m.

Charging station

• Morning challenge: a reduction phase from 6 a.m. to 10 a.m. and a recovery phase from 10 a.m. to 11 a.m.
• Evening challenge: a reduction phase from 5 p.m. to 9 p.m. and a recovery phase from 9 p.m. to 10 p.m.

To learn more about the three phases >