Trends — last 30 days

· 30 / 30 day(s)· fetched 17:18:36 show raw JSON

Saved (period)

R 1870.72

R3.43/kWh import

Paid (period)

R 17.15

5 kWh imported

Would-have-cost

R 1887.87

550.4 kWh used

Self-sufficiency

99.1%

545.4 of 550.4 kWh covered locally

Cost per day (stacked: paid + saved)

System cost

R 270000

Battery:InstallCost

Saved so far

R 14933

5.5% of system cost

Avg saving / day

R 62.21

over last 30 producing day(s)

Projected payback

02 Aug 2033

in ~6.9 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%