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%	5.97%	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 1.7%	0	Compliant
3rd Harmonic (V)	Review	Max 1.4%	0	Compliant
5th Harmonic (V)	≤ 3%	Max 1.4%	0	Compliant
7th Harmonic (V)	≤ 3%	Max 0.8%	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: 19626.0V / 19812.0V / 19821.0V I: 46.00A / 47.00A / 46.00A kW: 2739.000 kW  Unbal: 0.99% as at 2026-07-24 02:28	VTHD: 0.5% / 0.8% / 0.6% PF: 0.989	Compliant
Stanger-Feeder 2 (33kV) / Feeder 2 Stanger Substation	V: 19896.0V / 19848.0V / 19677.0V I: 34.40A / 35.60A / 35.20A kW: 2022.000 kW  Unbal: 1.11% as at 2026-07-24 02:27	VTHD: 0.6% / 0.8% / 0.5% PF: 0.946	Compliant
Stanger-Gelnhills Feed (33KV) / Feeder 3 Stanger Substation	V: 19629.0V / 19803.0V / 19857.0V I: 136.00A / 139.60A / 137.20A kW: 7508.400 kW  Unbal: 1.15% as at 2026-07-24 02:29	VTHD: 0.5% / 0.8% / 0.5% PF: 0.923	Compliant
Stanger-Groutville Phase1 (33KV) / Feeder 4 Stanger Substation	V: 19740.0V / 19221.0V / 20403.0V I: 110.40A / 112.80A / 109.60A kW: 5800.800 kW  Unbal: 5.97% as at 2026-07-24 02:31	VTHD: 0.8% / 1.5% / 0.9% PF: 0.879	Compliant
Stanger-Sappi Feed 1 (33KV) / Feeder 5 Stanger Substation	V: 19623.0V / 19818.0V / 19854.0V I: 147.00A / 155.00A / 149.00A kW: 8793.000 kW  Unbal: 1.17% as at 2026-07-24 02:31	VTHD: 0.5% / 0.8% / 0.6% PF: 0.981	Compliant
Stanger-Sappi Feed 2 (33KV) / Feeder 6 Stanger Substation	V: 19632.0V / 19815.0V / 19827.0V I: 141.00A / 151.50A / 142.50A kW: 8488.500 kW  Unbal: 0.99% as at 2026-07-24 02:30	VTHD: 0.5% / 0.8% / 0.5% PF: 0.977	Compliant
Shakaskraal-Feeder 1 (North) (33KV) / Feeder 7 Shakaskraal Substation	V: 33837.0V / 0.0V / 33888.0V I: 49.60A / 0.00A / 48.00A kW: 2601.600 kW  Unbal: — as at 2026-07-24 02:28	VTHD: 0.6% / 0.0% / 0.6% PF: 0.780	Low PF Warning
Shakaskraal-Feeder 2 (South) (33KV) / Feeder 8 Shakaskraal Substation	V: 33975.0V / 0.0V / 34035.0V I: 268.80A / 6.40A / 265.60A kW: 15446.400 kW  Unbal: — as at 2026-07-24 02:28	VTHD: 1.1% / 0.0% / 1.2% PF: 0.845	Low PF Warning
Ballito Sub (Feeder 1) (33KV) / Feeder 9 Driefontein Substation's	V: 33708.0V / 0.0V / 34218.0V I: 54.00A / 0.00A / 54.00A kW: 3090.600 kW  Unbal: — as at 2026-07-24 02:30	VTHD: 1.0% / 0.0% / 1.1% PF: 0.842	Low PF Warning
Zimbali Sub (Feeder 2) (33KV) / Feeder 10 Driefontein Substation's	V: 34362.0V / 0.0V / 33969.0V I: 128.00A / 0.00A / 126.80A kW: 7440.000 kW  Unbal: — as at 2026-07-24 02:26	VTHD: 1.7% / 0.0% / 1.7% PF: 0.848	Low PF Warning
Site Combined Totals	Mean Voltage: 20929.80 V Total Current: 2877.0 A Total kW: 63930.300 kW	Mean PF: 0.901	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%	5.97%	Non-Compliant
PQ Threshold Events	≤ 40 / quarter	158770	Non-Compliant
Outages	≤ 20 / quarter	83835	Non-Compliant
Harmonic Incidents (H5/H7)	≤ 10	0	Within Limit