10.3   Voltage Compliance

Parameter	NERSA Limit	Measured Range	Compliance Status
Voltage PQ Events (threshold log)	≤ 40 events per quarter	158891 events	Non-Compliant
Power Failures / Outages	≤ 20 events per quarter	83853 events	Non-Compliant
Voltage Unbalance (max site)	≤ 2%	6.36%	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 1.4%	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: 19707.0V / 20007.0V / 20049.0V I: 205.50A / 206.00A / 206.50A kW: 12022.500 kW  Unbal: 1.72% as at 2026-08-27 17:03	VTHD: 0.6% / 0.8% / 0.6% PF: 0.973	Compliant
Stanger-Feeder 2 (33kV) / Feeder 2 Stanger Substation	V: 19950.0V / 19869.0V / 19596.0V I: 106.40A / 107.20A / 106.80A kW: 6110.400 kW  Unbal: 1.79% as at 2026-08-27 16:51	VTHD: 0.6% / 0.8% / 0.6% PF: 0.962	Compliant
Stanger-Gelnhills Feed (33KV) / Feeder 3 Stanger Substation	V: 19605.0V / 19893.0V / 19935.0V I: 98.00A / 98.80A / 94.40A kW: —  Unbal: 1.67% as at 2026-08-27 16:57	VTHD: 0.6% / 0.8% / 0.6% PF: —	Compliant
Stanger-Groutville Phase1 (33KV) / Feeder 4 Stanger Substation	V: 19794.0V / 19335.0V / 20601.0V I: 284.00A / 288.00A / 275.20A kW: 16233.600 kW  Unbal: 6.36% as at 2026-08-27 17:02	VTHD: 0.9% / 1.5% / 1.0% PF: 0.962	Compliant
Stanger-Sappi Feed 1 (33KV) / Feeder 5 Stanger Substation	V: 19575.0V / 19857.0V / 19923.0V I: 31.50A / 32.00A / 31.00A kW: 1200.000 kW  Unbal: 1.76% as at 2026-08-27 16:49	VTHD: 0.6% / 0.8% / 0.6% PF: 0.646	Low PF Warning
Stanger-Sappi Feed 2 (33KV) / Feeder 6 Stanger Substation	V: 19581.0V / 19866.0V / 19944.0V I: 30.50A / 31.50A / 29.00A kW: 1225.500 kW  Unbal: 1.83% as at 2026-08-27 16:50	VTHD: 0.6% / 0.9% / 0.6% PF: 0.678	Low PF Warning
Shakaskraal-Feeder 1 (North) (33KV) / Feeder 7 Shakaskraal Substation	V: 34092.0V / 0.0V / 34179.0V I: 129.60A / 0.00A / 123.20A kW: 7272.000 kW  Unbal: — as at 2026-08-27 16:52	VTHD: 0.7% / 0.0% / 0.7% PF: 0.846	Low PF Warning
Shakaskraal-Feeder 2 (South) (33KV) / Feeder 8 Shakaskraal Substation	V: 34632.0V / 0.0V / 34626.0V I: 422.40A / 9.60A / 420.80A kW: 24403.200 kW  Unbal: — as at 2026-08-27 17:01	VTHD: 0.8% / 0.0% / 0.9% PF: 0.836	Low PF Warning
Ballito Sub (Feeder 1) (33KV) / Feeder 9 Driefontein Substation's	V: 33741.0V / 0.0V / 34521.0V I: 94.20A / 0.00A / 93.00A kW: 5418.000 kW  Unbal: — as at 2026-08-27 16:58	VTHD: 0.9% / 0.0% / 1.0% PF: 0.841	Low PF Warning
Zimbali Sub (Feeder 2) (33KV) / Feeder 10 Driefontein Substation's	V: 34194.0V / 0.0V / 33606.0V I: 232.80A / 0.00A / 222.40A kW: 13002.000 kW  Unbal: — as at 2026-08-27 16:52	VTHD: 1.1% / 0.0% / 1.0% PF: 0.845	Low PF Warning
Site Combined Totals	Mean Voltage: 21022.60 V Total Current: 4010.3 A Total kW: 86887.200 kW	Mean PF: 0.843	Live

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

Event Type	Count	Severity	Notes
Voltage PQ Threshold Events	158891	High	DLMS event log codes 210-213
Power Failures / Outages	83853	High	Power fail log entries
Power Cycle Events (Up/Down)	107549	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%	6.36%	Non-Compliant
PQ Threshold Events	≤ 40 / quarter	158891	Non-Compliant
Outages	≤ 20 / quarter	83853	Non-Compliant
Harmonic Incidents (H5/H7)	≤ 10	0	Within Limit