Ofgem Data Portal: Retail
Text and charts published as part of previous updates to our standard variable tariff indicators can be found on the Ofgem Data Portal.
[Average SVT and cheapest tariff prices by supplier: April to June 2025 [XLSX, 103.48KB]
](https://www.ofgem.gov.uk/sites/default/files/2025-10/2025_Q2-SVT_8_Largest_Suppliers_April-June_2025.xlsx)
[Number of domestic gas and electricity customer accounts by supplier (excluding pre-payment customers): Standard variable, fixed and other tariffs (GB) - January 2025 [XLSX, 69.60KB]
](https://www.ofgem.gov.uk/sites/default/files/2025-08/svt-non-ppm-customer-accounts-for-the-8-largest-suppliers-January-2025.xlsx)
[SVT non-PPM customer accounts for the 10 larger suppliers - October 2017 [XLSX, 35.12KB]
](https://www.ofgem.gov.uk/sites/default/files/docs/2018/07/svt_non-ppm_customer_accounts_for_the_10_larger_suppliers_-_october_2017.xlsx)
[SVT prices for the 10 larger suppliers – September 2017 [XLSX, 34.98KB]
](https://www.ofgem.gov.uk/sites/default/files/docs/2018/01/svt_prices_for_the_10_larger_suppliers_-_september_2017.xlsx)
[Average SVT and cheapest tariff prices by supplier: January to March 2025 [XLSX, 102.41KB]
](https://www.ofgem.gov.uk/sites/default/files/2025-07/2025_Q1-SVT_8_Largest_Suppliers_January-March_2025.xlsx)
[Average SVT and cheapest tariff prices by supplier: October to December 2024 [XLSX, 91.58KB]
](https://www.ofgem.gov.uk/sites/default/files/2025-04/SVT-8-Largest-Suppliers-October-December-2024.xlsx)
[Average SVT and cheapest tariff prices by supplier: July to September 2024 [XLSX, 80.21KB]
](https://www.ofgem.gov.uk/sites/default/files/2025-01/SVT-8-Largest-Suppliers-July-Sept-2024.xlsx)
[Number domestic gas and electricity customer accounts by supplier (excluding pre-payment customers): Standard variable, fixed and other tariffs (GB) - July 2024 [XLSX, 69.36KB]
](https://www.ofgem.gov.uk/sites/default/files/2025-01/svt-non-ppm-customer-accounts-for-the-8-largest-suppliers-Jul-2024.xlsx)
[Number domestic gas and electricity customer accounts by supplier (excluding pre-payment customers): Standard variable, fixed and other tariffs (GB) - January 2024 [XLSX, 68.41KB]
](https://www.ofgem.gov.uk/sites/default/files/2025-01/svt-non-ppm-customer-accounts-for-the-10-largest-suppliers-Jan-2024.xlsx)
[SVT non-PPM customer accounts for the 10 larger suppliers – April 2017 [XLSX, 35.06KB]
](https://www.ofgem.gov.uk/sites/default/files/docs/2018/01/svt_non-ppm_customer_accounts_for_the_10_larger_suppliers_-_april_2017.xlsx)
[SVT 8 Largest Suppliers April - June 2024 [XLSX, 81.68KB]
](https://www.ofgem.gov.uk/sites/default/files/2024-12/SVT_8_Largest_Suppliers_April_June_2024.xlsx)
[SVT 8 Largest Suppliers January to March 2024 [XLSX, 117.24KB]
](https://www.ofgem.gov.uk/sites/default/files/2024-12/SVT_8_Largest_Suppliers_January_March_2024.xlsx)
[SVT 9 Largest Suppliers October - December 2023 [XLSX, 86.99KB]
](https://www.ofgem.gov.uk/sites/default/files/2024-12/SVT_9_Largest_Suppliers_October_December_2023.xlsx)
[SVT 9 Largest Suppliers July - September 2023 [XLSX, 54.73KB]
](https://www.ofgem.gov.uk/sites/default/files/2024-12/SVT_9_Largest_Suppliers_July_September_2023.xlsx)
[SVT non-ppm customer accounts for the 10 largest suppliers - July 2023 [XLSX, 67.58KB]
](https://www.ofgem.gov.uk/sites/default/files/2024-01/svt%20non-ppm%20customer%20accounts%20for%20the%2010%20largest%20suppliers%20-%20Jul%202023.xlsx)
[SVT non-ppm customer accounts for the 10 largest suppliers - January 2023 [XLSX, 67.79KB]
](https://www.ofgem.gov.uk/sites/default/files/2024-01/svt%20non-ppm%20customer%20accounts%20for%20the%2010%20largest%20suppliers%20-%20Jan%202023.xlsx)
[SVT 9 Largest Suppliers April - June 2023 [XLSX, 54.54KB]
](https://www.ofgem.gov.uk/sites/default/files/2024-12/SVT_9_Largest_Suppliers_April_June_2023.xlsx)
[SVT 10 Largest Suppliers January - March 2023 [XLSX, 75.54KB]
](https://www.ofgem.gov.uk/sites/default/files/2023-07/SVT%2010%20Largest%20Suppliers%20January%20-%20March%202023.xlsx)
[SVT 10 Largest Suppliers October - December 2022 [XLSX, 75.47KB]
](https://www.ofgem.gov.uk/sites/default/files/2023-05/SVT%2010%20Largest%20Suppliers%20October%20-%20December%202022.xlsx)
[SVT 10 Largest Suppliers July - September 2022.xlsx [XLSX, 52.64KB]
](https://www.ofgem.gov.uk/sites/default/files/2023-02/SVT%2010%20Largest%20Suppliers%20July%20-%20September%202022.xlsx)
[svt non-ppm customer accounts for the 10 largest suppliers - July 2022.xlsx [XLSX, 65.40KB]
](https://www.ofgem.gov.uk/sites/default/files/2023-02/svt%20non-ppm%20customer%20accounts%20for%20the%2010%20largest%20suppliers%20-%20July%202022.xlsx)
[SVT prices for the 12 larger suppliers January 2021 [XLSX, 436.39KB]
](https://www.ofgem.gov.uk/sites/default/files/docs/2021/04/svt_prices_12_larger_suppliers_january_2021_0.xlsx)
[svt non-ppm customer accounts for the 10 largest suppliers - Jan 2022 [XLSX, 103.16KB]
](https://www.ofgem.gov.uk/sites/default/files/2022-07/svt%20non-ppm%20customer%20accounts%20for%20the%2010%20largest%20suppliers%20-%20Jan%202022_0.xlsx)
[SVT 10 Largest Suppliers April - June 2022 [XLSX, 64.11KB]
](https://www.ofgem.gov.uk/sites/default/files/2022-07/SVT%2010%20Largest%20Suppliers%20April%20-%20June%202022_0.xlsx)
[SVT prices for the 9 larger suppliers - October 2021 [XLSX, 87.48KB]
](https://www.ofgem.gov.uk/sites/default/files/2022-06/SVT%20Prices%209%20Largest%20Suppliers%20October%202021.xlsx)
[SVT prices for the 12 larger suppliers July 2021 [XLSX, 242.33KB]
](https://www.ofgem.gov.uk/sites/default/files/2021-10/svt_prices_12_larger_suppliers_July_2021.xlsx)
[SVT non-ppm customer accounts for the 11 larger suppliers - July 2021 [XLSX, 117.84KB]
](https://www.ofgem.gov.uk/sites/default/files/2022-06/svt%20non-ppm%20customer%20accounts%20for%20the%2011%20largest%20suppliers%20-%20July%202021.xlsx)
[SVT prices for the 12 larger suppliers - April 2021 [XLSX, 80.46KB]
](https://www.ofgem.gov.uk/sites/default/files/2022-06/svt_prices_12_larger_suppliers_April_2021.xlsx)
[SVT non-PPM customer accounts for the 12 larger suppliers - January 2021 [XLSX, 134.59KB]
](https://www.ofgem.gov.uk/sites/default/files/2022-06/SVT_non-ppm_customer_accounts_by_tariff_type_12_larger_suppliers_January_2021.xlsx)
[SVT prices for the 12 larger suppliers October 2020 [XLSX, 197.46KB]
](https://www.ofgem.gov.uk/sites/default/files/docs/2021/04/svt_prices_12_larger_suppliers_oct_2020.xlsx)
[SVT prices for the 12 larger suppliers April 2020 [XLSX, 106.98KB]
](https://www.ofgem.gov.uk/sites/default/files/docs/2021/01/svt_prices_12_larger_suppliers_apr_2020.xlsx)
[SVT non-PPM customer accounts for the 12 larger suppliers – July 2020 [XLSX, 268.61KB]
](https://www.ofgem.gov.uk/sites/default/files/docs/2021/01/svt_non-ppm_customer_accounts_by_tariff_type_12_larger_suppliers_july_2020.xlsx)
[SVT prices for the 12 larger suppliers July 2020 [XLSX, 118.15KB]
](https://www.ofgem.gov.uk/sites/default/files/docs/2020/10/svt_prices_12_largestsuppliers_jul_2020.xlsx)
[SVT non-PPM customer accounts for the 12 larger suppliers – October 2019 [XLSX, 77.19KB]
](https://www.ofgem.gov.uk/sites/default/files/docs/2020/07/svt_non-ppm_customer_accounts_for_the_12_larger_suppliers_-_october_2019_0.xlsx)
[SVT prices for the 12 larger suppliers - December 2019 [XLSX, 259.09KB]
](https://www.ofgem.gov.uk/sites/default/files/docs/2020/04/svt_prices_12_larger_suppliers_dec_2019.xlsx)
[SVT non-PPM customer accounts for the 13 larger suppliers - January 2020 [XLSX, 53.43KB]
](https://www.ofgem.gov.uk/sites/default/files/docs/2020/01/number_of_customer_accounts_by_tariff_type_large_medium_suppliers_-_april_2019_excl_ppm1_0.xlsx)
[SVT prices for the 13 larger suppliers - September 2019 [XLSX, 30.42KB]
](https://www.ofgem.gov.uk/sites/default/files/docs/2020/01/svt_prices_q3_2019_0.xlsx)
[SVT prices for the 13 larger suppliers - July 2019 [XLSX, 37.01KB]
](https://www.ofgem.gov.uk/sites/default/files/docs/2019/11/svt_prices_13_larger_suppliers_jul_2019.xlsx)
[SVT non-PPM customer accounts for the 13 larger suppliers - January 2019 [XLSX, 46.13KB]
](https://www.ofgem.gov.uk/sites/default/files/docs/2019/07/number_of_customer_accounts_by_tariff_type_large_medium_suppliers_-_january_2019_excl_ppm.xlsx)
[SVT prices for the 13 larger suppliers - April 2019 [XLSX, 393.02KB]
](https://www.ofgem.gov.uk/sites/default/files/docs/2019/07/svt_prices_13_larger_suppliers_apr_2019.xlsx)
[SVT non-price protected customer accounts for the 10 larger suppliers – April 2018 [XLSX, 35.74KB]
](https://www.ofgem.gov.uk/sites/default/files/docs/2019/04/svt_non-price_protected_customer_accounts_for_the_10_larger_suppliers_-_april_2018.xlsx)
[SVT prices for the 12 larger suppliers - January 2019 [XLSX, 35.11KB]
](https://www.ofgem.gov.uk/sites/default/files/docs/2019/04/svt_prices_12_larger_suppliers_jan_2019.xlsx)
[SVT prices for the 12 larger suppliers - October 2018 [XLSX, 35.12KB]
](https://www.ofgem.gov.uk/sites/default/files/docs/2019/01/svt_prices_10_larger_suppliers_oct_2018.xlsx)
[SVT prices for the 12 larger suppliers - July 2018 [XLSX, 35.47KB]
](https://www.ofgem.gov.uk/sites/default/files/docs/2019/01/svt_prices_10_larger_suppliers_jul_2018_1.xlsx)
[SVT prices for the 10 larger suppliers - April 2018 [XLSX, 34.71KB]
](https://www.ofgem.gov.uk/sites/default/files/docs/2018/07/svt_prices_10_larger_suppliers_apr_2018.xlsx)
[SVT prices for the 10 larger suppliers - December 2017 [XLSX, 34.78KB]
](https://www.ofgem.gov.uk/sites/default/files/docs/2018/04/svt_prices_10_larger_suppliers_dec_2017.xlsx)
Ofgem Data Portal: Retail