Trends — last 30 days

· 29 / 30 day(s)· 1 gap: 12 May· fetched 17:13:43 show raw JSON

Saved (period)

R 2205.49

R3.43/kWh import

Paid (period)

R 397.54

115.9 kWh imported

Would-have-cost

R 2538.54

740.1 kWh used

Self-sufficiency

84.3%

624.2 of 740.1 kWh covered locally

Cost per day (stacked: paid + saved)

System cost

R 175000

set Tariff:SystemCostR in user-secrets

Saved so far

R 7380

4.2% of system cost

Avg saving / day

R 76.51

over last 30 producing day(s)

Projected payback

11 Jul 2030

in ~4.1 yr · +15% tariff/yr from 1 Jun

Each cell is one day. Green = high self-sufficiency (solar + battery covered the house); rose = low (lots of grid imports). Hover for the exact %.

Mon

Tue

Wed

Thu

Fri

Sat

Sun

20%

40%

60%

80%

100%