10.3   Voltage Compliance

Parameter	NERSA Limit	Measured Range	Compliance Status
Voltage PQ Events (threshold log)	≤ 40 events per quarter	118060 events	Non-Compliant
Power Failures / Outages	≤ 20 events per quarter	63091 events	Non-Compliant
Voltage Unbalance (max site)	≤ 2%	7.23%	Non-Compliant
Flicker Pst (short-term, max site)	≤ 1.0	0.00	Compliant
Flicker Plt (long-term, max site)	≤ 0.8	0.00	Compliant

10.4   Harmonic Distortion

Parameter	NERSA Limit	Measured Max (all meters)	Phases Exceeding Limit	Compliance Status
THD Voltage (VTHD)	≤ 5%	Max 1.5%	0	Compliant
3rd Harmonic (V)	Review	Max 1.5%	0	Compliant
5th Harmonic (V)	≤ 3%	Max 0.8%	0	Compliant
7th Harmonic (V)	≤ 3%	Max 0.7%	0	Compliant

10.5   Feeder Loading & Power Factor

Meter / Feeder	Voltage / Current / kW Snapshot	VTHD & PF	Compliance Status
Stanger-Feeder 1 (33KV) / Feeder 1 Stanger Substation	V: 19623.0V / 19797.0V / 19866.0V I: 42.00A / 42.00A / 42.00A kW: 2439.000 kW  Unbal: 1.23% as at 2026-07-04 10:30	VTHD: 0.3% / 0.8% / 0.4% PF: 0.986	Compliant
Stanger-Feeder 2 (33kV) / Feeder 2 Stanger Substation	V: 19875.0V / 19800.0V / 19626.0V I: 101.20A / 101.60A / 101.60A kW: 5844.000 kW  Unbal: 1.26% as at 2026-07-04 10:30	VTHD: 0.5% / 0.7% / 0.4% PF: 0.962	Compliant
Stanger-Gelnhills Feed (33KV) / Feeder 3 Stanger Substation	V: 19677.0V / 19746.0V / 19851.0V I: 203.20A / 204.00A / 206.40A kW: 11730.000 kW  Unbal: 0.88% as at 2026-07-04 10:24	VTHD: 0.3% / 0.8% / 0.4% PF: 0.962	Compliant
Stanger-Groutville Phase1 (33KV) / Feeder 4 Stanger Substation	V: 19695.0V / 19182.0V / 20616.0V I: 202.40A / 204.80A / 199.20A kW: 11354.400 kW  Unbal: 7.23% as at 2026-07-04 10:34	VTHD: 1.1% / 1.5% / 1.0% PF: 0.946	Compliant
Stanger-Sappi Feed 1 (33KV) / Feeder 5 Stanger Substation	V: 19677.0V / 19779.0V / 19929.0V I: 88.50A / 94.50A / 94.50A kW: 5094.000 kW  Unbal: 1.27% as at 2026-07-04 10:25	VTHD: 0.4% / 0.7% / 0.5% PF: 0.951	Compliant
Stanger-Sappi Feed 2 (33KV) / Feeder 6 Stanger Substation	V: 19743.0V / 19860.0V / 19917.0V I: 84.00A / 89.50A / 86.50A kW: 4965.000 kW  Unbal: 0.88% as at 2026-07-04 10:39	VTHD: 0.4% / 0.7% / 0.4% PF: 0.945	Compliant
Shakaskraal-Feeder 1 (North) (33KV) / Feeder 7 Shakaskraal Substation	V: 34248.0V / 0.0V / 34437.0V I: 91.20A / 0.00A / 88.00A kW: 5112.000 kW  Unbal: — as at 2026-07-04 10:26	VTHD: 0.7% / 0.0% / 0.5% PF: 0.825	Low PF Warning
Shakaskraal-Feeder 2 (South) (33KV) / Feeder 8 Shakaskraal Substation	V: 34251.0V / 0.0V / 34323.0V I: 356.80A / 8.00A / 352.00A kW: 20620.800 kW  Unbal: — as at 2026-07-04 10:30	VTHD: 0.7% / 0.0% / 0.8% PF: 0.837	Low PF Warning
Ballito Sub Incomer (Feeder 1) (33KV) / Feeder 9 Driefontein Substation's	V: 32529.0V / 0.0V / 33318.0V I: 315.00A / 0.00A / 322.80A kW: 18000.000 kW  Unbal: — as at 2026-07-04 10:08	VTHD: 1.1% / 0.0% / 1.1% PF: 0.857	Compliant
Zimbali Sub Incomer (Feeder 2) (33KV) / Feeder 10 Driefontein Substation's	V: 34149.0V / 0.0V / 33570.0V I: 243.60A / 0.00A / 232.00A kW: 13538.400 kW  Unbal: — as at 2026-06-25 08:34	VTHD: 1.2% / 0.0% / 1.1% PF: 0.843	Low PF Warning
Site Combined Totals	Mean Voltage: 20902.80 V Total Current: 4197.3 A Total kW: 98697.600 kW	Mean PF: 0.911	Live

10.6   PQ Event Summary (2026-04-01 to 2026-06-30)

Event Type	Count	Severity	Notes
Voltage PQ Threshold Events	118060	High	DLMS event log codes 210-213
Power Failures / Outages	63091	High	Power fail log entries
Power Cycle Events (Up/Down)	77673	Investigate	Standard event codes 1 & 2
Harmonic Exceedances (V H5/H7)	0	Low	All within limit

10.7   Compliance Summary

Metric	Target	Actual	Status
Meters Compliant (VTHD)	≥ 95%	100.0%	Compliant
Voltage Unbalance	≤ 2%	7.23%	Non-Compliant
PQ Threshold Events	≤ 40 / quarter	118060	Non-Compliant
Outages	≤ 20 / quarter	63091	Non-Compliant
Harmonic Incidents (H5/H7)	≤ 10	0	Within Limit