BM Constraint Payments

MonthYear-month	CostTotal amount charged in £ for wind power MWh output reduction	MWhWind power MWh constrained off	PricePrice per MWh charged for reducing wind power output	Num WFNumber of wind farms with accepted bids to reduce output
2026-09	£17,388,620	650,229	£27	87
2026-08	£6,357,368	413,924	£15	65
2026-07	£21,223,806	613,411	£35	95
2026-06	£24,384,793	709,917	£34	91
2026-05	£10,087,043	591,028	£17	62
2026-04	£35,905,049	1,124,213	£32	98
2026-03	£45,808,550	1,473,116	£31	77
2026-02	£14,561,690	864,522	£17	69
2026-01	£26,874,582	1,231,436	£22	79
2025-12	£36,602,793	1,009,096	£36	93
2025-11	£33,803,890	960,816	£35	89
2025-10	£53,165,552	1,293,483	£41	90
2025-09	£52,275,145	1,084,030	£48	92
2025-08	£38,716,984	812,131	£48	94
2025-07	£20,477,168	427,920	£48	93
2025-06	£52,296,659	1,152,277	£45	102
2025-05	£20,532,173	483,451	£42	85
2025-04	£9,786,757	307,060	£32	77
2025-03	£23,416,690	999,503	£23	91
2025-02	£31,100,395	1,153,412	£27	89
2025-01	£9,934,302	558,157	£18	89
2024-12	£53,879,803	1,361,391	£40	92
2024-11	£28,094,940	796,812	£35	79
2024-10	£45,356,773	1,059,953	£43	94
2024-09	£30,599,835	589,271	£52	95
2024-08	£66,777,973	1,234,094	£54	102
2024-07	£10,758,201	235,504	£46	66
2024-06	£28,267,014	565,896	£50	83
2024-05	£5,255,767	145,399	£36	47
2024-04	£33,670,967	683,166	£49	80
2024-03	£28,311,628	560,739	£50	74
2024-02	£31,948,687	587,637	£54	67
2024-01	£31,380,654	542,962	£58	77
2023-12	£32,578,001	596,099	£55	82
2023-11	£26,567,891	413,901	£64	82
2023-10	£59,616,679	790,843	£75	97
2023-09	£43,413,711	564,473	£77	97
2023-08	£24,155,450	298,700	£81	102
2023-07	£37,584,653	435,131	£86	104
2023-06	£2,126,709	26,212	£81	45
2023-05	£10,316,030	124,053	£83	88
2023-04	£29,065,652	375,348	£77	95
2023-03	£10,732,898	151,918	£71	84
2023-02	£18,148,799	309,945	£59	77
2023-01	£16,176,280	278,057	£58	78
2022-12	£10,923,668	189,641	£58	71
2022-11	£31,625,243	487,776	£65	83
2022-10	£39,150,795	602,470	£65	82
2022-09	£8,032,655	169,249	£47	57
2022-08	£5,170,125	104,726	£49	34
2022-07	£5,226,113	112,253	£47	32
2022-06	£25,353,077	392,520	£65	74
2022-05	£13,235,891	211,931	£62	59
2022-04	£10,173,617	175,265	£58	58
2022-03	£11,197,494	246,233	£45	36
2022-02	£37,413,608	688,481	£54	60
2022-01	£29,681,186	518,074	£57	70
2021-12	£19,609,682	345,583	£57	66
2021-11	£38,921,411	679,070	£57	72
2021-10	£15,333,896	301,369	£51	66
2021-09	£3,464,085	72,303	£48	48
2021-08	£586,202	9,130	£64	35
2021-07	£965,803	12,357	£78	43
2021-06	£5,743,487	84,674	£68	65
2021-05	£2,466,892	34,442	£72	49
2021-04	£2,923,069	36,307	£81	47
2021-03	£20,184,744	284,943	£71	70
2021-02	£30,173,985	438,261	£69	73
2021-01	£2,969,038	50,570	£59	43
2020-12	£19,735,173	290,804	£68	72
2020-11	£48,754,914	679,854	£72	82
2020-10	£23,418,013	308,345	£76	83
2020-09	£11,356,339	158,554	£72	62
2020-08	£8,735,133	95,354	£92	48
2020-07	£18,342,619	222,682	£82	79
2020-06	£20,785,585	262,680	£79	81
2020-05	£22,137,983	280,507	£79	87
2020-04	£10,487,690	146,643	£72	77
2020-03	£18,863,324	260,249	£72	60
2020-02	£40,484,398	546,549	£74	75
2020-01	£31,059,832	443,799	£70	64
2019-12	£19,347,781	256,547	£75	78
2019-11	£4,164,822	57,979	£72	62
2019-10	£19,065,103	267,095	£71	72
2019-09	£10,656,183	147,859	£72	73
2019-08	£8,882,108	116,811	£76	72
2019-07	£2,773,953	39,119	£71	48
2019-06	£8,374,952	112,775	£74	75
2019-05	£4,201,467	58,201	£72	66
2019-04	£10,830,907	155,131	£70	68
2019-03	£31,391,152	446,845	£70	76
2019-02	£9,763,082	142,041	£69	42
2019-01	£9,541,259	139,775	£68	43
2018-12	£10,639,307	153,748	£69	68
2018-11	£9,498,729	133,722	£71	74
2018-10	£25,877,835	348,616	£74	76
2018-09	£28,434,560	394,002	£72	79
2018-08	£7,895,448	105,462	£75	77
2018-07	£9,687,714	115,484	£84	74
2018-06	£9,622,241	136,746	£70	69
2018-05	£3,794,896	54,226	£70	54
2018-04	£7,182,858	102,482	£70	43
2018-03	£3,472,533	50,934	£68	42
2018-02	£1,977,754	30,571	£65	25
2018-01	£6,565,232	98,194	£67	45
2017-12	£8,486,739	123,822	£69	57
2017-11	£9,136,551	132,044	£69	52
2017-10	£23,166,915	333,856	£69	68
2017-09	£6,788,064	96,360	£70	53
2017-08	£9,865,271	137,157	£72	62
2017-07	£7,166,493	101,784	£70	53
2017-06	£19,731,369	269,609	£73	60
2017-05	£3,770,189	47,716	£79	51
2017-04	£4,899,222	67,422	£73	39
2017-03	£4,528,799	68,910	£66	40
2017-02	£7,729,783	117,074	£66	46
2017-01	£2,978,466	46,531	£64	28
2016-12	£10,301,441	152,949	£67	44
2016-11	£5,122,163	74,598	£69	39
2016-10	£6,896,579	69,052	£100	38
2016-09	£15,525,963	193,027	£80	44
2016-08	£7,020,687	102,301	£69	38
2016-07	£3,515,153	36,337	£97	43
2016-06	£1,407,002	17,561	£80	37
2016-05	£5,315,500	78,110	£68	43
2016-04	£2,511,236	39,190	£64	24
2016-03	£4,363,130	61,354	£71	39
2016-02	£6,022,341	95,815	£63	29
2016-01	£13,859,879	214,333	£65	35
2015-12	£22,644,820	341,442	£66	42
2015-11	£15,189,825	217,661	£70	39
2015-10	£3,861,143	54,093	£71	35
2015-09	£344,469	5,037	£68	15
2015-08	£5,389,868	78,793	£68	34
2015-07	£4,245,438	57,050	£74	35
2015-06	£4,637,893	65,121	£71	25
2015-05	£10,376,658	130,566	£79	38
2015-04	£1,823,728	23,780	£77	36
2015-03	£6,721,245	91,277	£74	28
2015-02	£4,795,718	65,598	£73	28
2015-01	£10,707,329	145,846	£73	31
2014-12	£7,307,333	100,232	£73	27
2014-11	£4,671,446	57,495	£81	31
2014-10	£16,697,301	205,775	£81	36
2014-09	£477,461	6,056	£79	14
2014-08	£7,212,794	84,002	£86	35
2014-07	£344,133	3,585	£96	13
2014-06	£145,805	1,805	£81	15
2014-05	£421,395	5,081	£83	14
2014-04	£2,233,577	26,952	£83	23
2014-03	£8,718,866	106,807	£82	26
2014-02	£1,583,533	19,538	£81	22
2014-01	£3,447,415	42,022	£82	22
2013-12	£5,306,210	65,987	£80	31
2013-11	£1,203,564	14,460	£83	23
2013-10	£2,955,146	34,586	£85	30
2013-09	£3,501,299	41,999	£83	27
2013-08	£8,246,391	98,669	£84	32
2013-07	£1,251,992	16,012	£78	23
2013-06	£2,012,832	24,781	£81	25
2013-05	£4,497,836	44,441	£101	20
2013-04	£3,665,286	38,185	£96	18
2013-03	£3,184	25	£128	2
2013-02	£31,219	398	£78	5
2013-01	£32,393	274	£118	5
2012-12	£876,759	9,847	£89	14
2012-11	£914,082	8,349	£109	11
2012-10	£38,040	404	£94	2
2012-09	£1,053,009	8,936	£118	14
2012-08	£282,456	2,381	£119	11
2012-07	£11,184	119	£94	2
2012-06	£438,997	2,514	£175	3
2012-05	£42,941	288	£149	2
2012-04	£330,950	2,062	£161	7
2012-03	£333,205	2,075	£161	5
2012-02	£272,042	1,647	£165	4
2012-01	£1,330,566	6,842	£194	7
2011-12	£820,012	3,928	£209	7
2011-11	£339,602	1,695	£200	2
2011-10	£2,388,021	10,327	£231	11
2011-09	£4,968,892	19,340	£257	14
2011-08	£99,155	502	£198	4
2011-07	£21,546	145	£149	1
2011-06	£677,926	3,800	£178	7
2011-05	£2,612,157	14,996	£174	8
2011-04	£899,445	3,975	£226	6
2010-10	£161,428	905	£178	2
2010-05	£12,700	71	£178	2
0000-00	£-98	6	£-16	1

Due to aggregation of data and rounding of calculated results there may be small apparent inconsistencies between tables.

For support contact exec@ref.org.uk

Balancing Mechanism Wind Farm Constraint Payments