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%	5.26%	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 1.3%	0	Compliant
5th Harmonic (V)	≤ 3%	Max 1.1%	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: 19599.0V / 19830.0V / 19962.0V I: 178.50A / 187.50A / 184.00A kW: 10531.500 kW  Unbal: 1.83% as at 2026-08-28 07:43	VTHD: 0.5% / 0.8% / 0.5% PF: 0.964	Compliant
Stanger-Feeder 2 (33kV) / Feeder 2 Stanger Substation	V: 19953.0V / 19821.0V / 19593.0V I: 100.40A / 104.00A / 100.40A kW: 5810.400 kW  Unbal: 1.82% as at 2026-08-28 07:47	VTHD: 0.5% / 0.7% / 0.5% PF: 0.960	Compliant
Stanger-Gelnhills Feed (33KV) / Feeder 3 Stanger Substation	V: 19590.0V / 19854.0V / 19959.0V I: 86.00A / 84.00A / 82.40A kW: 4812.000 kW  Unbal: 1.86% as at 2026-08-28 07:38	VTHD: 0.5% / 0.9% / 0.5% PF: 0.961	Compliant
Stanger-Groutville Phase1 (33KV) / Feeder 4 Stanger Substation	V: 19665.0V / 19326.0V / 20367.0V I: 181.60A / 189.60A / 183.20A kW: 10401.600 kW  Unbal: 5.26% as at 2026-08-28 07:43	VTHD: 0.6% / 1.4% / 0.9% PF: 0.943	Compliant
Stanger-Sappi Feed 1 (33KV) / Feeder 5 Stanger Substation	V: 19554.0V / 19788.0V / 19893.0V I: 30.50A / 31.50A / 30.00A kW: 1129.500 kW  Unbal: 1.72% as at 2026-08-28 07:54	VTHD: 0.5% / 0.8% / 0.5% PF: 0.623	Low PF Warning
Stanger-Sappi Feed 2 (33KV) / Feeder 6 Stanger Substation	V: 19560.0V / 19788.0V / 19899.0V I: 29.00A / 30.50A / 28.50A kW: 1140.000 kW  Unbal: 1.72% as at 2026-08-28 07:54	VTHD: 0.5% / 0.8% / 0.5% PF: 0.663	Low PF Warning
Shakaskraal-Feeder 1 (North) (33KV) / Feeder 7 Shakaskraal Substation	V: 34053.0V / 0.0V / 34272.0V I: 75.20A / 0.00A / 73.60A kW: 4180.800 kW  Unbal: — as at 2026-08-28 07:48	VTHD: 0.7% / 0.0% / 0.6% PF: 0.808	Low PF Warning
Shakaskraal-Feeder 2 (South) (33KV) / Feeder 8 Shakaskraal Substation	V: 34020.0V / 0.0V / 34173.0V I: 414.40A / 9.60A / 412.80A kW: 23654.400 kW  Unbal: — as at 2026-08-28 07:39	VTHD: 1.0% / 0.0% / 1.0% PF: 0.842	Low PF Warning
Ballito Sub (Feeder 1) (33KV) / Feeder 9 Driefontein Substation's	V: 33573.0V / 0.0V / 34452.0V I: 102.60A / 0.00A / 102.00A kW: 5830.200 kW  Unbal: — as at 2026-08-28 07:38	VTHD: 1.0% / 0.0% / 1.1% PF: 0.840	Low PF Warning
Zimbali Sub (Feeder 2) (33KV) / Feeder 10 Driefontein Substation's	V: 33957.0V / 0.0V / 33429.0V I: 201.20A / 0.00A / 193.60A kW: 11301.600 kW  Unbal: — as at 2026-08-28 07:49	VTHD: 1.4% / 0.0% / 1.5% PF: 0.851	Compliant
Site Combined Totals	Mean Voltage: 20931.00 V Total Current: 3426.6 A Total kW: 78792.000 kW	Mean PF: 0.846	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%	5.26%	Non-Compliant
PQ Threshold Events	≤ 40 / quarter	158891	Non-Compliant
Outages	≤ 20 / quarter	83853	Non-Compliant
Harmonic Incidents (H5/H7)	≤ 10	0	Within Limit