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County Wicklow

About 77,000 homes and businesses · estimated from Census 2022

Month by month

MonthGradeRestored in 4hRestored by first estimateFaultsOver 24 hPlannedCustomers hitMinutes lost
September 2026to 25 SepE69.5%63.6%171415,85131.0
August 2026A96.4%46.9%4304719,01820.3
July 2026from 31 Jul–––00000.0

Only part of July 2026 was watched, so it is not graded.

Where faults keep happening · since 31 July 2026

The places ESB names on its faults, counted over every month. A name can sit in more than one Census area, so these are not the areas listed below.

Outage history · 148 outages

This list as a CSV file, one row per outage, times in UTC.

TinahaskPlanned · network upgrade
32 customers affected · began Fri 25 Sep, 10:18 · listed for about 5 h 30 min · no end time published
RathdrumPlanned · supply quality
16 customers affected · began Fri 25 Sep, 09:41 · listed for about 5 h · no end time published
BlessingtonPlanned · network upgrade
49 customers affected · began Fri 25 Sep, 09:01 · listed for about 7 h · no end time published
KilcooleFault
36 customers affected · began Thu 24 Sep, 14:57 · off for about 30 min · no restore time published
GreystonesFault
1,249 customers affected · began Thu 24 Sep, 14:53 · restored 15:00 (7 min) · 1 h 45 min earlier than ESB estimated
ArklowPlanned
291 customers affected · began Thu 24 Sep, 10:11 · listed for about 6 h · no end time published
BaltinglassPlanned · supply quality
83 customers affected · began Thu 24 Sep, 10:02 · listed for about 5 h 30 min · no end time published
ShillelaghPlanned · supply quality
70 customers affected · began Thu 24 Sep, 09:44 · listed for about 6 h 30 min · no end time published
BallybegFault
28 customers affected · began Wed 23 Sep, 14:22 · restored 16:04 (1 h 42 min) · 11 min earlier than ESB estimated
KilmagigPlanned · new connections
101 customers affected · began Tue 22 Sep, 12:29 · listed for about 1 h 30 min · no end time published
BaltinglassPlanned · supply quality
114 customers affected · began Tue 22 Sep, 09:48 · listed for about 6 h · no end time published
BallybegFault
41 customers affected · began Mon 21 Sep, 13:33 · restored 15:28 (1 h 55 min) · 1 h 32 min earlier than ESB estimated
BallybegPlanned · new connections
12 customers affected · began Mon 21 Sep, 11:38 · scheduled until 15:00 (3 h 22 min)
GreystonesPlanned · supply quality
35 customers affected · began Mon 21 Sep, 10:20 · listed for about 6 h · no end time published
KilmagigPlanned · network upgrade
83 customers affected · began Mon 21 Sep, 09:22 · listed for about 3 h 30 min · no end time published
KilmartinFault
10 customers affected · began Fri 18 Sep, 11:08 · restored 15:15 (4 h 7 min) · 15 min later than ESB estimated
TullowPlanned · supply quality
34 customers affected · began Fri 18 Sep, 10:48 · listed for about 5 h · no end time published
BaltinglassPlanned · new connections
21 customers affected · began Fri 18 Sep, 10:34 · listed for about 3 h 30 min · no end time published
BlessingtonPlanned · network upgrade
10 customers affected · began Fri 18 Sep, 09:24 · listed for about 1 h · no end time published
ShillelaghFault
70 customers affected · began Thu 17 Sep, 16:30 · restored 20:29 (3 h 59 min) · 1 h 46 min earlier than ESB estimated
TullowPlanned · new connections
26 customers affected · began Thu 17 Sep, 11:05 · listed for about 3 h 30 min · no end time published
GreystonesPlanned · supply quality
43 customers affected · began Thu 17 Sep, 09:41 · scheduled until 17:00 (7 h 19 min)
GreystonesFault
94 customers affected · began Thu 17 Sep, 09:34 · expected back by 16:00 (about 6 h 30 min) · no restore time published
BaltinglassPlanned · supply quality
171 customers affected · began Thu 17 Sep, 09:14 · scheduled until 16:30 (7 h 16 min)
RathdrumPlanned · network upgrade
35 customers affected · began Wed 16 Sep, 09:44 · scheduled until 17:00 (7 h 16 min)
BallybegFault
10 customers affected · began Tue 15 Sep, 19:02 · off for about 30 min · no restore time published
BallybegPlanned · line diversion
150 customers affected · began Tue 15 Sep, 16:16 · scheduled until 17:00 (44 min)
RathdrumPlanned · network upgrade
78 customers affected · began Tue 15 Sep, 09:34 · listed for about 6 h · no end time published
ShillelaghPlanned · supply quality
17 customers affected · began Mon 14 Sep, 14:44 · listed for about 1 h · no end time published
RathdrumPlanned · network upgrade
25 customers affected · began Mon 14 Sep, 10:52 · listed for about 5 h 30 min · no end time published
BallybegFault
10 customers affected · began Sun 13 Sep, 09:09 · expected back by 11:00 (about 2 h) · no restore time published
KilcooleFault
132 customers affected · began Fri 11 Sep, 12:03 · restored 13:19 (1 h 16 min) · 1 h 41 min earlier than ESB estimated
  • Outage began · 132 customers
  • 33 customers still off
  • Supply restored
GreystonesPlanned · supply quality
27 customers affected · began Fri 11 Sep, 09:39 · scheduled until 17:00 (7 h 21 min)
Little BrayPlanned · supply quality
14 customers affected · began Fri 11 Sep, 09:39 · scheduled until 17:00 (7 h 21 min)
GreystonesPlanned · supply quality
13 customers affected · began Fri 11 Sep, 09:17 · listed for about 5 h · no end time published
KilcooleFault
71 customers affected · began Thu 10 Sep, 10:03 · restored 12:09 (2 h 6 min)
  • Outage began · 64 customers
  • 71 customers still off
  • Supply restored
KilcoolePlanned · supply quality
229 customers affected · began Thu 10 Sep, 10:02 · scheduled until 17:00 (6 h 58 min)
BaltinglassPlanned · network upgrade
333 customers affected · began Thu 10 Sep, 09:39 · scheduled until 17:00 (7 h 21 min)
GreystonesPlanned
127 customers affected · began Thu 10 Sep, 09:28 · listed for about 7 h 30 min · no end time published
GreystonesPlanned · supply quality
51 customers affected · began Wed 9 Sep, 08:13 · scheduled until 17:00 (8 h 47 min)
BaltinglassPlanned · supply quality
35 customers affected · began Tue 8 Sep, 11:32 · scheduled until 16:30 (4 h 58 min)
ShillelaghPlanned
241 customers affected · began Tue 8 Sep, 10:24 · listed for about 4 h · no end time published
GreystonesPlanned · supply quality
89 customers affected · began Tue 8 Sep, 09:43 · scheduled until 17:00 (7 h 17 min)
ShillelaghPlanned · supply quality
39 customers affected · began Mon 7 Sep, 10:20 · listed for about 2 h 30 min · no end time published
GreystonesPlanned · supply quality
23 customers affected · began Mon 7 Sep, 09:47 · listed for about 6 h · no end time published
KilcoolePlanned
164 customers affected · began Sat 5 Sep, 09:06 · listed for about 4 h · no end time published
  • Outage began · 164 customers
  • 87 customers still off
  • Last listed
BrayFault
14 customers affected · began Fri 4 Sep, 08:46 · restored 14:35 (5 h 49 min) · 3 h 50 min later than ESB estimated
ArklowFault
1,977 customers affected · began Thu 3 Sep, 18:34 · restored 19:25 (51 min) · 20 min earlier than ESB estimated
TullowPlanned · supply quality
25 customers affected · began Thu 3 Sep, 10:07 · listed for about 5 h 30 min · no end time published
BaltinglassPlanned
20 customers affected · began Thu 3 Sep, 09:28 · listed for about 6 h · no end time published
Boghall RoadFault
130 customers affected · began Wed 2 Sep, 15:14 · off for about 1 h 30 min · no restore time published
Boghall RoadFault
1,669 customers affected · began Wed 2 Sep, 15:10 · restored Thu 3 Sep, 23:59 (32 h 49 min) · 23 h 59 min later than ESB estimated
  • Outage began · 1,669 customers
  • 2 further updates
    • 1,255 customers still off
    • 1,095 customers still off
  • Supply restored
BlessingtonPlanned · network upgrade
104 customers affected · began Wed 2 Sep, 11:41 · listed for about 4 h 30 min · no end time published
BlessingtonPlanned · line diversion
21 customers affected · began Wed 2 Sep, 09:49 · listed for about 6 h 30 min · no end time published
ArklowPlanned · supply quality
15 customers affected · began Wed 2 Sep, 09:46 · listed for about 7 h · no end time published
KilmagigFault
21 customers affected · began Tue 1 Sep, 14:21 · restored 15:13 (52 min) · 17 min earlier than ESB estimated
BaltinglassPlanned · line diversion
22 customers affected · began Tue 1 Sep, 10:07 · listed for about 5 h 30 min · no end time published
TinahaskFault
289 customers affected · began Tue 1 Sep, 01:40 · off for about 1 h · no restore time published
Little BrayFault
875 customers affected · began Sun 30 Aug, 09:10 · restored 09:27 (17 min) · 48 min earlier than ESB estimated
TinahaskFault
289 customers affected · began Sun 30 Aug, 08:02 · off for about 7 h · no restore time published
TinahaskPlanned · supply quality
1,797 customers affected · began Sun 30 Aug, 07:59 · listed for about 7 h · no end time published
KilmartinFault
1,124 customers affected · began Sat 29 Aug, 15:22 · restored 16:09 (47 min) · 21 min earlier than ESB estimated
RathdrumPlanned · supply quality
88 customers affected · began Fri 28 Aug, 10:03 · listed for about 5 h · no end time published
Boghall RoadPlanned · supply quality
12 customers affected · began Fri 28 Aug, 09:27 · scheduled until 14:00 (4 h 33 min)
BlessingtonPlanned
24 customers affected · began Thu 27 Aug, 11:14 · listed for about 1 h 30 min · no end time published
RathdrumPlanned · supply quality
25 customers affected · began Thu 27 Aug, 11:12 · scheduled until 17:00 (5 h 48 min)
RathdrumPlanned · supply quality
14 customers affected · began Thu 27 Aug, 11:06 · scheduled until 17:00 (5 h 54 min)
GreystonesPlanned · supply quality
23 customers affected · began Thu 27 Aug, 10:06 · listed for about 6 h 30 min · no end time published
RathdrumFault
56 customers affected · began Wed 26 Aug, 11:18 · restored 14:33 (3 h 15 min) · 57 min earlier than ESB estimated
RathdrumPlanned · supply quality
122 customers affected · began Wed 26 Aug, 10:30 · scheduled until 17:00 (6 h 30 min)
GreystonesPlanned · supply quality
27 customers affected · began Wed 26 Aug, 10:10 · scheduled until 17:00 (6 h 50 min)
Little BrayPlanned · supply quality
14 customers affected · began Wed 26 Aug, 10:10 · scheduled until 17:00 (6 h 50 min)
KilmartinPlanned
18 customers affected · began Wed 26 Aug, 09:46 · listed for about 3 h · no end time published
GreystonesFault
92 customers affected · began Wed 26 Aug, 09:13 · off for about 4 h · no restore time published
BrayFault
127 customers affected · began Tue 25 Aug, 10:54 · restored 22:46 (11 h 52 min) · 46 min later than ESB estimated
BallybegPlanned · supply quality
15 customers affected · began Tue 25 Aug, 10:04 · listed for about 2 h · no end time published
BallybegPlanned · supply quality
10 customers affected · began Tue 25 Aug, 10:00 · listed for about 6 h · no end time published
RathdrumPlanned · supply quality
201 customers affected · began Tue 25 Aug, 09:56 · listed for about 6 h 30 min · no end time published
Little BrayFault
487 customers affected · began Tue 25 Aug, 08:23 · off for about 30 min · no restore time published
TinahaskFault
14 customers affected · began Tue 25 Aug, 07:32 · restored 11:13 (3 h 41 min) · 17 min earlier than ESB estimated
ShillelaghPlanned · supply quality
21 customers affected · began Mon 24 Aug, 14:22 · scheduled until 17:00 (2 h 38 min)
BaltinglassFault
87 customers affected · began Mon 24 Aug, 12:41 · off for about 3 h · no restore time published
BallybegFault
75 customers affected · began Mon 24 Aug, 11:59 · off for about 1 h · no restore time published
BallybegFault
293 customers affected · began Mon 24 Aug, 11:52 · off for about 1 h · no restore time published
BallybegFault
1,960 customers affected · began Mon 24 Aug, 11:49 · restored 13:14 (1 h 25 min) · 14 min later than ESB estimated
RathdrumPlanned · supply quality
25 customers affected · began Mon 24 Aug, 11:07 · scheduled until 17:00 (5 h 53 min)
TinahaskPlanned
283 customers affected · began Mon 24 Aug, 10:08 · scheduled until 17:00 (6 h 52 min)
BrayFault
83 customers affected · began Sun 23 Aug, 12:06 · restored 14:09 (2 h 3 min) · 9 min later than ESB estimated
Repeat fault - outage 3 of 3 at this location in quick succession
BrayFault
83 customers affected · began Sun 23 Aug, 11:50 · off for under 30 min · no restore time published
Repeat fault - outage 2 of 3 at this location in quick succession
BrayFault
438 customers affected · began Sun 23 Aug, 10:25 · restored 11:41 (1 h 16 min) · 2 h 19 min earlier than ESB estimated
Repeat fault - outage 1 of 3 at this location in quick succession
  • Outage began · 438 customers
  • 159 customers still off
  • Supply restored
BrayFault
438 customers affected · began Sun 23 Aug, 09:59 · restored 11:22 (1 h 23 min) · 38 min earlier than ESB estimated
TullowPlanned · supply quality
20 customers affected · began Fri 21 Aug, 09:38 · listed for about 6 h · no end time published
BlessingtonFault
14 customers affected · began Thu 20 Aug, 14:09 · restored 17:47 (3 h 38 min) · 17 min later than ESB estimated
BunclodyPlanned · network upgrade
44 customers affected · began Thu 20 Aug, 10:26 · listed for about 3 h · no end time published
ShillelaghPlanned · supply quality
37 customers affected · began Thu 20 Aug, 10:05 · listed for about 6 h · no end time published
GreystonesPlanned
32 customers affected · began Thu 20 Aug, 10:04 · listed for about 6 h · no end time published
TinahaskPlanned · network upgrade
105 customers affected · began Wed 19 Aug, 11:04 · listed for about 4 h 30 min · no end time published
RathdrumFault
2,208 customers affected · began Wed 19 Aug, 10:00 · off for about 30 min · no restore time published
RathdrumPlanned · network upgrade
14 customers affected · began Wed 19 Aug, 09:24 · listed for about 5 h · no end time published
KilmagigPlanned · network upgrade
19 customers affected · began Wed 19 Aug, 09:08 · listed for about 4 h 30 min · no end time published
ArklowFault
10 customers affected · began Wed 19 Aug, 08:16 · restored 14:49 (6 h 33 min) · 1 h 49 min later than ESB estimated
BaltinglassFault
77 customers affected · began Tue 18 Aug, 22:06 · restored Wed 19 Aug, 00:31 (2 h 25 min) · 1 h 16 min later than ESB estimated
ArklowFault
52 customers affected · began Tue 18 Aug, 10:21 · restored 15:40 (5 h 19 min) · 40 min later than ESB estimated
ShillelaghPlanned · new connections
27 customers affected · began Tue 18 Aug, 10:09 · listed for about 5 h · no end time published
GreystonesPlanned · supply quality
46 customers affected · began Tue 18 Aug, 09:32 · listed for about 5 h 30 min · no end time published
BaltinglassPlanned · supply quality
81 customers affected · began Tue 18 Aug, 09:11 · scheduled until 17:00 (7 h 49 min)
ArklowPlanned · network upgrade
15 customers affected · began Tue 18 Aug, 09:01 · listed for about 6 h · no end time published
ArklowFault
16 customers affected · began Tue 18 Aug, 08:17 · restored 09:26 (1 h 9 min) · 49 min earlier than ESB estimated
KilmagigPlanned · network upgrade
28 customers affected · began Mon 17 Aug, 11:22 · listed for about 3 h 30 min · no end time published
RathdrumPlanned · supply quality
88 customers affected · began Fri 14 Aug, 10:34 · scheduled until 17:00 (6 h 26 min)
KilmagigPlanned · network upgrade
20 customers affected · began Fri 14 Aug, 09:20 · listed for about 2 h 30 min · no end time published
BaltinglassFault
449 customers affected · began Thu 13 Aug, 17:18 · restored 19:45 (2 h 27 min)
  • Outage began · 449 customers
  • 2 further updates
    • 333 customers still off
    • 53 customers still off
  • Supply restored
BaltinglassPlanned
106 customers affected · began Thu 13 Aug, 10:31 · listed for about 5 h · no end time published
RathdrumPlanned · supply quality
38 customers affected · began Thu 13 Aug, 09:38 · listed for about 6 h 30 min · no end time published
GreystonesPlanned · supply quality
30 customers affected · began Thu 13 Aug, 09:37 · listed for about 2 h · no end time published
BallybegFault
10 customers affected · began Wed 12 Aug, 16:31 · restored 18:05 (1 h 34 min) · 25 min earlier than ESB estimated
TullowFault
34 customers affected · began Wed 12 Aug, 14:56 · restored 17:54 (2 h 58 min) · 1 h 6 min earlier than ESB estimated
Boghall RoadPlanned
77 customers affected · began Wed 12 Aug, 10:14 · listed for about 6 h · no end time published
ShillelaghPlanned
77 customers affected · began Wed 12 Aug, 09:00 · listed for about 3 h 30 min · no end time published
KilcoolePlanned
118 customers affected · began Tue 11 Aug, 10:19 · scheduled until 19:00 (8 h 41 min)
RathdrumPlanned · supply quality
17 customers affected · began Tue 11 Aug, 09:41 · listed for about 6 h 30 min · no end time published
BlessingtonPlanned · line diversion
166 customers affected · began Tue 11 Aug, 09:08 · listed for about 7 h 30 min · no end time published
GreystonesPlanned
17 customers affected · began Tue 11 Aug, 09:06 · listed for about 6 h · no end time published
RathdrumPlanned · supply quality
21 customers affected · began Mon 10 Aug, 09:25 · listed for about 5 h 30 min · no end time published
GreystonesPlanned
149 customers affected · began Mon 10 Aug, 09:19 · scheduled until 17:00 (7 h 41 min)
ArklowFault
386 customers affected · began Sun 9 Aug, 09:51 · off for about 1 h · no restore time published
ShillelaghFault
19 customers affected · began Sun 9 Aug, 06:53 · off for about 2 h 30 min · no restore time published
ShillelaghFault
54 customers affected · began Sun 9 Aug, 06:49 · restored 09:45 (2 h 56 min) · 45 min earlier than ESB estimated
BaltinglassFault
2,092 customers affected · began Sat 8 Aug, 07:07 · off for about 30 min · no restore time published
ShillelaghFault
40 customers affected · began Sat 8 Aug, 03:12 · restored 07:00 (3 h 48 min) · 1 h earlier than ESB estimated
BlessingtonFault
2,013 customers affected · began Fri 7 Aug, 13:36 · restored 16:37 (3 h 1 min) · 38 min earlier than ESB estimated
  • Outage began · 2,013 customers
  • 126 customers still off
  • Supply restored
ArklowPlanned · new connections
52 customers affected · began Fri 7 Aug, 09:30 · listed for about 3 h · no end time published
BaltinglassFault
57 customers affected · began Fri 7 Aug, 04:45 · restored 11:34 (6 h 49 min) · 3 h 19 min later than ESB estimated
TullowFault
56 customers affected · began Thu 6 Aug, 11:49 · restored 13:33 (1 h 44 min) · 27 min earlier than ESB estimated
BaltinglassPlanned · supply quality
57 customers affected · began Thu 6 Aug, 10:55 · scheduled until 17:00 (6 h 5 min)
BaltinglassPlanned · supply quality
89 customers affected · began Thu 6 Aug, 09:26 · listed for about 6 h 30 min · no end time published
GreystonesFault
16 customers affected · began Wed 5 Aug, 11:12 · restored 13:16 (2 h 4 min)
BallybegFault
108 customers affected · began Wed 5 Aug, 10:46 · restored 15:33 (4 h 47 min) · 1 h 27 min earlier than ESB estimated
KilmagigPlanned · network upgrade
60 customers affected · began Wed 5 Aug, 10:37 · listed for about 4 h · no end time published
BlessingtonPlanned · supply quality
195 customers affected · began Wed 5 Aug, 09:15 · listed for about 6 h 30 min · no end time published
  • Outage began · 195 customers
  • 177 customers still off
  • Last listed
RathdrumFault
56 customers affected · began Tue 4 Aug, 22:59 · restored 23:40 (41 min) · 1 h 5 min earlier than ESB estimated
ShillelaghFault
17 customers affected · began Tue 4 Aug, 19:35 · restored 21:00 (1 h 25 min) · 15 min earlier than ESB estimated
Little BrayFault
3,288 customers affected · began Tue 4 Aug, 01:32 · restored 02:52 (1 h 20 min) · 7 min later than ESB estimated
Boghall RoadFault
150 customers affected · began Sun 2 Aug, 04:13 · restored 04:26 (13 min) · 49 min earlier than ESB estimated
Repeat fault - outage 2 of 2 at this location in quick succession
Boghall RoadFault
150 customers affected · began Sun 2 Aug, 04:02 · restored 04:12 (10 min) · 1 h 3 min earlier than ESB estimated
Repeat fault - outage 1 of 2 at this location in quick succession
Boghall RoadFault
1,045 customers affected · began Sun 2 Aug, 02:17 · restored 04:28 (2 h 11 min) · 1 h 32 min earlier than ESB estimated
  • Outage began · 1,045 customers
  • 895 customers still off
  • Supply restored
KilmartinFault
40 customers affected · began Sat 1 Aug, 06:44 · restored 15:56 (9 h 12 min) · 56 min later than ESB estimated
Repeat fault - outage 2 of 2 at this location in quick succession
KilmartinFault
40 customers affected · began Sat 1 Aug, 02:48 · restored 06:39 (3 h 51 min) · 2 h 21 min earlier than ESB estimated
Repeat fault - outage 1 of 2 at this location in quick succession

Areas with an outage · 57 areas

Every county