10.3   Voltage Compliance

Parameter	NERSA Limit	Measured Range	Compliance Status
Voltage PQ Events (threshold log)	≤ 40 events per quarter	158770 events	Non-Compliant
Power Failures / Outages	≤ 20 events per quarter	83835 events	Non-Compliant
Voltage Unbalance (max site)	≤ 2%	5.29%	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 1.4%	0	Compliant
3rd Harmonic (V)	Review	Max 1.3%	0	Compliant
5th Harmonic (V)	≤ 3%	Max 0.9%	0	Compliant
7th Harmonic (V)	≤ 3%	Max 0.9%	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: 19716.0V / 19905.0V / 20028.0V I: 50.00A / 52.00A / 52.00A kW: 3009.000 kW  Unbal: 1.57% as at 2026-07-22 20:09	VTHD: 0.6% / 0.8% / 0.5% PF: 0.992	Compliant
Stanger-Feeder 2 (33kV) / Feeder 2 Stanger Substation	V: 19953.0V / 19818.0V / 19560.0V I: 54.00A / 55.20A / 53.60A kW: 3078.000 kW  Unbal: 1.99% as at 2026-07-22 18:07	VTHD: 0.6% / 0.8% / 0.6% PF: 0.954	Compliant
Stanger-Gelnhills Feed (33KV) / Feeder 3 Stanger Substation	V: 19740.0V / 19944.0V / 20064.0V I: 260.80A / 272.00A / 262.00A kW: 15290.400 kW  Unbal: 1.63% as at 2026-07-22 20:14	VTHD: 0.6% / 0.8% / 0.5% PF: 0.967	Compliant
Stanger-Groutville Phase1 (33KV) / Feeder 4 Stanger Substation	V: 19839.0V / 19407.0V / 20460.0V I: 237.60A / 250.40A / 244.00A kW: 13874.400 kW  Unbal: 5.29% as at 2026-07-22 20:12	VTHD: 0.6% / 1.4% / 0.9% PF: 0.956	Compliant
Stanger-Sappi Feed 1 (33KV) / Feeder 5 Stanger Substation	V: 19743.0V / 19941.0V / 20055.0V I: 144.50A / 156.50A / 150.50A kW: 8850.000 kW  Unbal: 1.57% as at 2026-07-22 20:14	VTHD: 0.6% / 0.8% / 0.5% PF: 0.980	Compliant
Stanger-Sappi Feed 2 (33KV) / Feeder 6 Stanger Substation	V: 19728.0V / 19935.0V / 20055.0V I: 138.00A / 152.50A / 143.50A kW: —  Unbal: 1.64% as at 2026-07-22 20:13	VTHD: 0.6% / 0.8% / 0.5% PF: —	Compliant
Shakaskraal-Feeder 1 (North) (33KV) / Feeder 7 Shakaskraal Substation	V: 33543.0V / 0.0V / 33801.0V I: 107.20A / 0.00A / 102.40A kW: 5980.800 kW  Unbal: — as at 2026-07-22 20:11	VTHD: 0.7% / 0.0% / 0.6% PF: 0.845	Low PF Warning
Shakaskraal-Feeder 2 (South) (33KV) / Feeder 8 Shakaskraal Substation	V: 34008.0V / 0.0V / 34221.0V I: 409.60A / 9.60A / 403.20A kW: 23313.600 kW  Unbal: — as at 2026-07-22 20:13	VTHD: 1.0% / 0.0% / 1.1% PF: 0.844	Low PF Warning
Ballito Sub (Feeder 1) (33KV) / Feeder 9 Driefontein Substation's	V: 33705.0V / 0.0V / 34443.0V I: 99.00A / 0.00A / 100.20A kW: 5846.400 kW  Unbal: — as at 2026-07-22 19:48	VTHD: 1.0% / 0.0% / 1.0% PF: 0.850	Compliant
Zimbali Sub (Feeder 2) (33KV) / Feeder 10 Driefontein Substation's	V: 34200.0V / 0.0V / 33744.0V I: 191.60A / 0.00A / 183.20A kW: 10842.000 kW  Unbal: — as at 2026-07-22 20:16	VTHD: 1.2% / 0.0% / 1.2% PF: 0.853	Compliant
Site Combined Totals	Mean Voltage: 20985.20 V Total Current: 4335.1 A Total kW: 90084.600 kW	Mean PF: 0.916	Live

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

Event Type	Count	Severity	Notes
Voltage PQ Threshold Events	158770	High	DLMS event log codes 210-213
Power Failures / Outages	83835	High	Power fail log entries
Power Cycle Events (Up/Down)	107513	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%	5.29%	Non-Compliant
PQ Threshold Events	≤ 40 / quarter	158770	Non-Compliant
Outages	≤ 20 / quarter	83835	Non-Compliant
Harmonic Incidents (H5/H7)	≤ 10	0	Within Limit