Two-zone meter

Savings from day/night tariff

Input

Savings/yr

per month: 265 ₴

3 175 ₴/yr

Meter payback
18,9 mo

Two-zone: day (7–23) = full tariff, night (23–7) = 50%. Move boiler, washer, dishwasher, EV charging to night — 30–40% share is achievable. Meter (~4000–6000 ₴) pays back in 1–3 years.