Electronic monitoring performance
Electronic Monitoring service performance of service level measures - national performance.
Full definitions of SL metrics can be found in the accompanying technical note.
Visit Electronic Monitoring Statistics for data sources and more details.
Equipment installation and subject induction - first attempt within specified timescales (EMS SL004A)
| Period | Equipment installation and subject induction - first attempt within specified timescales (EMS SL004A) |
|---|---|
| Apr 2022 | 97% |
| May 2022 | 97% |
| Jun 2022 | 96% |
| Jul 2022 | 96% |
| Aug 2022 | 97% |
| Sep 2022 | 95% |
| Oct 2022 | 94% |
| Nov 2022 | 91% |
| Dec 2022 | 84% |
| Jan 2023 | 92% |
| Feb 2023 | 88% |
| Mar 2023 | 87% |
| Apr 2023 | 91% |
| May 2023 | 85% |
| Jun 2023 | 87% |
| Jul 2023 | 76% |
| Aug 2023 | 78% |
| Sep 2023 | 76% |
| Oct 2023 | 67% |
| Nov 2023 | 75% |
| Dec 2023 | 78% |
| Jan 2024 | 77% |
| Feb 2024 | 82% |
| Mar 2024 | 78% |
Mar 2024
78%
Data source
The data source for this measure and more detailed information can be found in the Electronic Monitoring Statistics Annual Publication publication.
Publication date
Published: 18 July 2024.
Equipment installation and subject induction - further attempt(s) within specified timescales (EMS SL004B)
| Period | Equipment installation and subject induction - further attempt(s) within specified timescales (EMS SL004B) |
|---|---|
| Apr 2022 | 90% |
| May 2022 | 86% |
| Jun 2022 | 85% |
| Jul 2022 | 85% |
| Aug 2022 | 85% |
| Sep 2022 | 80% |
| Oct 2022 | 80% |
| Nov 2022 | 75% |
| Dec 2022 | 56% |
| Jan 2023 | 70% |
| Feb 2023 | 58% |
| Mar 2023 | 60% |
| Apr 2023 | 71% |
| May 2023 | 56% |
| Jun 2023 | 52% |
| Jul 2023 | 52% |
| Aug 2023 | 52% |
| Sep 2023 | 50% |
| Oct 2023 | 39% |
| Nov 2023 | 45% |
| Dec 2023 | 51% |
| Jan 2024 | 45% |
| Feb 2024 | 57% |
| Mar 2024 | 54% |
Mar 2024
54%
Data source
The data source for this measure and more detailed information can be found in the Electronic Monitoring Statistics Annual Publication publication.
Publication date
Published: 18 July 2024.
Equipment re-installation - attempt within specified timescales (EMS SL004C)
| Period | Equipment re-installation - attempt within specified timescales (EMS SL004C) |
|---|---|
| Apr 2022 | 95% |
| May 2022 | 95% |
| Jun 2022 | 94% |
| Jul 2022 | 92% |
| Aug 2022 | 92% |
| Sep 2022 | 89% |
| Oct 2022 | 90% |
| Nov 2022 | 87% |
| Dec 2022 | 88% |
| Jan 2023 | 92% |
| Feb 2023 | 91% |
| Mar 2023 | 87% |
| Apr 2023 | 91% |
| May 2023 | 90% |
| Jun 2023 | 88% |
| Jul 2023 | 75% |
| Aug 2023 | 79% |
| Sep 2023 | 76% |
| Oct 2023 | 66% |
| Nov 2023 | 76% |
| Dec 2023 | 78% |
| Jan 2024 | 83% |
| Feb 2024 | 89% |
| Mar 2024 | 90% |
Mar 2024
90%
Data source
The data source for this measure and more detailed information can be found in the Electronic Monitoring Statistics Annual Publication publication.
Publication date
Published: 18 July 2024.
Equipment removal - attempt within specified timescales (EMS SL005A)
| Period | Equipment removal - attempt within specified timescales (EMS SL005A) |
|---|---|
| Apr 2022 | 97% |
| May 2022 | 97% |
| Jun 2022 | 97% |
| Jul 2022 | 95% |
| Aug 2022 | 97% |
| Sep 2022 | 96% |
| Oct 2022 | 95% |
| Nov 2022 | 95% |
| Dec 2022 | 93% |
| Jan 2023 | 95% |
| Feb 2023 | 96% |
| Mar 2023 | 94% |
| Apr 2023 | 95% |
| May 2023 | 93% |
| Jun 2023 | 91% |
| Jul 2023 | 85% |
| Aug 2023 | 84% |
| Sep 2023 | 83% |
| Oct 2023 | 86% |
| Nov 2023 | 81% |
| Dec 2023 | 84% |
| Jan 2024 | 88% |
| Feb 2024 | 92% |
| Mar 2024 | 94% |
Mar 2024
94%
Data source
The data source for this measure and more detailed information can be found in the Electronic Monitoring Statistics Annual Publication publication.
Publication date
Published: 18 July 2024.
Equipment removal (bail cases) - attempt within specified timescales (EMS SL005B)
| Period | Equipment removal (bail cases) - attempt within specified timescales (EMS SL005B) |
|---|---|
| Apr 2022 | 97% |
| May 2022 | 97% |
| Jun 2022 | 96% |
| Jul 2022 | 94% |
| Aug 2022 | 98% |
| Sep 2022 | 97% |
| Oct 2022 | 94% |
| Nov 2022 | 95% |
| Dec 2022 | 91% |
| Jan 2023 | 95% |
| Feb 2023 | 93% |
| Mar 2023 | 94% |
| Apr 2023 | 95% |
| May 2023 | 95% |
| Jun 2023 | 91% |
| Jul 2023 | 85% |
| Aug 2023 | 86% |
| Sep 2023 | 85% |
| Oct 2023 | 75% |
| Nov 2023 | 85% |
| Dec 2023 | 84% |
| Jan 2024 | 92% |
| Feb 2024 | 95% |
| Mar 2024 | 96% |
Mar 2024
96%
Data source
The data source for this measure and more detailed information can be found in the Electronic Monitoring Statistics Annual Publication publication.
Publication date
Published: 18 July 2024.
Equipment check following tamper violation - attempt within specified timescales (EMS SL005C)
| Period | Equipment check following tamper violation - attempt within specified timescales (EMS SL005C) |
|---|---|
| Apr 2022 | 97% |
| May 2022 | 97% |
| Jun 2022 | 97% |
| Jul 2022 | 93% |
| Aug 2022 | 93% |
| Sep 2022 | 92% |
| Oct 2022 | 90% |
| Nov 2022 | 87% |
| Dec 2022 | 85% |
| Jan 2023 | 89% |
| Feb 2023 | 92% |
| Mar 2023 | 85% |
| Apr 2023 | 86% |
| May 2023 | 88% |
| Jun 2023 | 86% |
| Jul 2023 | 80% |
| Aug 2023 | 80% |
| Sep 2023 | 78% |
| Oct 2023 | 81% |
| Nov 2023 | 80% |
| Dec 2023 | 79% |
| Jan 2024 | 84% |
| Feb 2024 | 85% |
| Mar 2024 | 80% |
Mar 2024
80%
Data source
The data source for this measure and more detailed information can be found in the Electronic Monitoring Statistics Annual Publication publication.
Publication date
Published: 18 July 2024.
Call to curfew location following possible violation - within specified timescales (EMS SL008)
| Period | Call to curfew location following possible violation - within specified timescales (EMS SL008) |
|---|---|
| Apr 2022 | 98% |
| May 2022 | 95% |
| Jun 2022 | 98% |
| Jul 2022 | 96% |
| Aug 2022 | 99% |
| Sep 2022 | 99% |
| Oct 2022 | 99% |
| Nov 2022 | 99% |
| Dec 2022 | 99% |
| Jan 2023 | 99% |
| Feb 2023 | 99% |
| Mar 2023 | 97% |
| Apr 2023 | 99% |
| May 2023 | 99% |
| Jun 2023 | 97% |
| Jul 2023 | 96% |
| Aug 2023 | 97% |
| Sep 2023 | 98% |
| Oct 2023 | 94% |
| Nov 2023 | 98% |
| Dec 2023 | 97% |
| Jan 2024 | 96% |
| Feb 2024 | 97% |
| Mar 2024 | 98% |
Mar 2024
98%
Data source
The data source for this measure and more detailed information can be found in the Electronic Monitoring Statistics Annual Publication publication.
Publication date
Published: 18 July 2024.