Daily solar generation in NI
Solar generation reports for Northern Ireland
Each day we publish an estimate of how much electricity a typical 4kW and 6kW solar install would generate in towns across Northern Ireland, based on local weather data.
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Saturday, 25 July 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 9.6 kWh today.
4 kW
9.6 kWh
£3.21
6 kW
14.4 kWh
£4.81
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Friday, 24 July 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 15.6 kWh today.
4 kW
15.6 kWh
£5.23
6 kW
23.4 kWh
£7.84
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Thursday, 23 July 2026
Bright skies over Belfast. A 4kW install is on track for about 13.2 kWh today.
4 kW
13.2 kWh
£4.41
6 kW
19.8 kWh
£6.62
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Wednesday, 22 July 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 16.9 kWh today.
4 kW
16.9 kWh
£5.65
6 kW
25.3 kWh
£8.48
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Tuesday, 21 July 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 17.3 kWh today.
4 kW
17.3 kWh
£5.79
6 kW
25.9 kWh
£8.68
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Monday, 20 July 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 19 kWh today.
4 kW
19 kWh
£6.37
6 kW
28.5 kWh
£9.55
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Sunday, 19 July 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 20.8 kWh today.
4 kW
20.8 kWh
£6.98
6 kW
31.2 kWh
£10.47
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Saturday, 18 July 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 22.9 kWh today.
4 kW
22.9 kWh
£7.68
6 kW
34.4 kWh
£11.51
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Friday, 17 July 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 22.3 kWh today.
4 kW
22.3 kWh
£7.48
6 kW
33.5 kWh
£11.22
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Thursday, 16 July 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 23.1 kWh today.
4 kW
23.1 kWh
£7.75
6 kW
34.7 kWh
£11.62
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Wednesday, 15 July 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 23.3 kWh today.
4 kW
23.3 kWh
£7.82
6 kW
35 kWh
£11.72
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Tuesday, 14 July 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 23.6 kWh today.
4 kW
23.6 kWh
£7.91
6 kW
35.4 kWh
£11.87
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Monday, 13 July 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 24.1 kWh today.
4 kW
24.1 kWh
£8.07
6 kW
36.2 kWh
£12.11
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Sunday, 12 July 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 22.9 kWh today.
4 kW
22.9 kWh
£7.67
6 kW
34.3 kWh
£11.51
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Saturday, 11 July 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 18.1 kWh today.
4 kW
18.1 kWh
£6.08
6 kW
27.2 kWh
£9.12
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Friday, 10 July 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 20.7 kWh today.
4 kW
20.7 kWh
£6.92
6 kW
31 kWh
£10.38
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Thursday, 9 July 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 19.6 kWh today.
4 kW
19.6 kWh
£6.57
6 kW
29.4 kWh
£9.86
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Wednesday, 8 July 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 22.5 kWh today.
4 kW
22.5 kWh
£7.54
6 kW
33.8 kWh
£11.31
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Tuesday, 7 July 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 16.2 kWh today.
4 kW
16.2 kWh
£5.42
6 kW
24.3 kWh
£8.14
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Monday, 6 July 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 17.4 kWh today.
4 kW
17.4 kWh
£5.83
6 kW
26.1 kWh
£8.74
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Sunday, 5 July 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 10.7 kWh today.
4 kW
10.7 kWh
£3.59
6 kW
16.1 kWh
£5.39
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Saturday, 4 July 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 10 kWh today.
4 kW
10 kWh
£3.34
6 kW
15 kWh
£5.01
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Friday, 3 July 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 8.1 kWh today.
4 kW
8.1 kWh
£2.70
6 kW
12.1 kWh
£4.05
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Thursday, 2 July 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 10.6 kWh today.
4 kW
10.6 kWh
£3.56
6 kW
15.9 kWh
£5.34
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Wednesday, 1 July 2026
Overcast in Belfast. A 4kW install would still produce about 5.7 kWh of free electricity today.
4 kW
5.7 kWh
£1.91
6 kW
8.6 kWh
£2.87
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Tuesday, 30 June 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 7.7 kWh today.
4 kW
7.7 kWh
£2.59
6 kW
11.6 kWh
£3.88
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Monday, 29 June 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 9.3 kWh today.
4 kW
9.3 kWh
£3.12
6 kW
14 kWh
£4.69
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Sunday, 28 June 2026
Bright skies over Belfast. A 4kW install is on track for about 11.2 kWh today.
4 kW
11.2 kWh
£3.75
6 kW
16.8 kWh
£5.62
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Saturday, 27 June 2026
Bright skies over Belfast. A 4kW install is on track for about 12.1 kWh today.
4 kW
12.1 kWh
£4.06
6 kW
18.2 kWh
£6.10
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Friday, 26 June 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 21.7 kWh today.
4 kW
21.7 kWh
£7.26
6 kW
32.5 kWh
£10.89
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Thursday, 25 June 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 23.5 kWh today.
4 kW
23.5 kWh
£7.88
6 kW
35.3 kWh
£11.82
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Wednesday, 24 June 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 21.3 kWh today.
4 kW
21.3 kWh
£7.14
6 kW
32 kWh
£10.70
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Tuesday, 23 June 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 17.6 kWh today.
4 kW
17.6 kWh
£5.91
6 kW
26.5 kWh
£8.86
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Monday, 22 June 2026
Bright skies over Belfast. A 4kW install is on track for about 15 kWh today.
4 kW
15 kWh
£5.03
6 kW
22.5 kWh
£7.55
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Sunday, 21 June 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 24.8 kWh today.
4 kW
24.8 kWh
£8.30
6 kW
37.2 kWh
£12.45
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Saturday, 20 June 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 16.4 kWh today.
4 kW
16.4 kWh
£5.51
6 kW
24.7 kWh
£8.27
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Friday, 19 June 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 7.1 kWh today.
4 kW
7.1 kWh
£2.39
6 kW
10.7 kWh
£3.59
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Thursday, 18 June 2026
Overcast in Belfast. A 4kW install would still produce about 4.6 kWh of free electricity today.
4 kW
4.6 kWh
£1.54
6 kW
6.9 kWh
£2.32
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Wednesday, 17 June 2026
Bright skies over Belfast. A 4kW install is on track for about 14 kWh today.
4 kW
14 kWh
£4.70
6 kW
21 kWh
£7.05
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Tuesday, 16 June 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 8.3 kWh today.
4 kW
8.3 kWh
£2.79
6 kW
12.5 kWh
£4.19
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Monday, 15 June 2026
Bright skies over Belfast. A 4kW install is on track for about 12.4 kWh today.
4 kW
12.4 kWh
£4.17
6 kW
18.7 kWh
£6.25
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Sunday, 14 June 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 17.6 kWh today.
4 kW
17.6 kWh
£5.88
6 kW
26.3 kWh
£8.82
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Saturday, 13 June 2026
Bright skies over Belfast. A 4kW install is on track for about 11.3 kWh today.
4 kW
11.3 kWh
£3.79
6 kW
17 kWh
£5.68
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Friday, 12 June 2026
Bright skies over Belfast. A 4kW install is on track for about 15.4 kWh today.
4 kW
15.4 kWh
£5.14
6 kW
23 kWh
£7.72
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Thursday, 11 June 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 6.5 kWh today.
4 kW
6.5 kWh
£2.18
6 kW
9.8 kWh
£3.27
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Wednesday, 10 June 2026
Bright skies over Belfast. A 4kW install is on track for about 12.4 kWh today.
4 kW
12.4 kWh
£4.16
6 kW
18.6 kWh
£6.24
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Tuesday, 9 June 2026
Bright skies over Belfast. A 4kW install is on track for about 13.2 kWh today.
4 kW
13.2 kWh
£4.43
6 kW
19.9 kWh
£6.65
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Monday, 8 June 2026
Bright skies over Belfast. A 4kW install is on track for about 13 kWh today.
4 kW
13 kWh
£4.36
6 kW
19.5 kWh
£6.53
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Sunday, 7 June 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 6.8 kWh today.
4 kW
6.8 kWh
£2.28
6 kW
10.2 kWh
£3.42
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Saturday, 6 June 2026
Overcast in Belfast. A 4kW install would still produce about 3.5 kWh of free electricity today.
4 kW
3.5 kWh
£1.19
6 kW
5.3 kWh
£1.78
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Friday, 5 June 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 10.8 kWh today.
4 kW
10.8 kWh
£3.63
6 kW
16.2 kWh
£5.44
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Thursday, 4 June 2026
Bright skies over Belfast. A 4kW install is on track for about 12.8 kWh today.
4 kW
12.8 kWh
£4.29
6 kW
19.2 kWh
£6.43
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Wednesday, 3 June 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 6.8 kWh today.
4 kW
6.8 kWh
£2.27
6 kW
10.2 kWh
£3.41
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Tuesday, 2 June 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 6.6 kWh today.
4 kW
6.6 kWh
£2.22
6 kW
9.9 kWh
£3.33
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Monday, 1 June 2026
Overcast in Belfast. A 4kW install would still produce about 5.3 kWh of free electricity today.
4 kW
5.3 kWh
£1.76
6 kW
7.9 kWh
£2.64
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Sunday, 31 May 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 9.9 kWh today.
4 kW
9.9 kWh
£3.32
6 kW
14.8 kWh
£4.97
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Saturday, 30 May 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 8.1 kWh today.
4 kW
8.1 kWh
£2.72
6 kW
12.2 kWh
£4.08
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Friday, 29 May 2026
Bright skies over Belfast. A 4kW install is on track for about 13.6 kWh today.
4 kW
13.6 kWh
£4.55
6 kW
20.4 kWh
£6.83
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Thursday, 28 May 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 20.1 kWh today.
4 kW
20.1 kWh
£6.73
6 kW
30.1 kWh
£10.09
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Wednesday, 27 May 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 22.3 kWh today.
4 kW
22.3 kWh
£7.46
6 kW
33.4 kWh
£11.19