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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Thursday, 14 May 2026
Bright skies over Belfast. A 4kW install is on track for about 13.1 kWh today.
4 kW
13.1 kWh
£4.37
6 kW
19.6 kWh
£6.56
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Wednesday, 13 May 2026
Bright skies over Belfast. A 4kW install is on track for about 15.3 kWh today.
4 kW
15.3 kWh
£5.14
6 kW
23 kWh
£7.71
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Tuesday, 12 May 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 17.7 kWh today.
4 kW
17.7 kWh
£5.94
6 kW
26.6 kWh
£8.91
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Monday, 11 May 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 19.8 kWh today.
4 kW
19.8 kWh
£6.62
6 kW
29.7 kWh
£9.93
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Sunday, 10 May 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 18 kWh today.
4 kW
18 kWh
£6.03
6 kW
27 kWh
£9.05
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Saturday, 9 May 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 20.5 kWh today.
4 kW
20.5 kWh
£6.86
6 kW
30.7 kWh
£10.30
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Friday, 8 May 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 7.3 kWh today.
4 kW
7.3 kWh
£2.45
6 kW
11 kWh
£3.68
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Thursday, 7 May 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 10.1 kWh today.
4 kW
10.1 kWh
£3.37
6 kW
15.1 kWh
£5.06
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Wednesday, 6 May 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 8.7 kWh today.
4 kW
8.7 kWh
£2.93
6 kW
13.1 kWh
£4.39
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Tuesday, 5 May 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 10.4 kWh today.
4 kW
10.4 kWh
£3.49
6 kW
15.6 kWh
£5.24
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Monday, 4 May 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
£5.38
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Sunday, 3 May 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
10 kWh
£3.34
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Saturday, 2 May 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 8.4 kWh today.
4 kW
8.4 kWh
£2.82
6 kW
12.6 kWh
£4.23
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Friday, 1 May 2026
Bright skies over Belfast. A 4kW install is on track for about 13.2 kWh today.
4 kW
13.2 kWh
£4.42
6 kW
19.8 kWh
£6.63
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Thursday, 30 April 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 20.4 kWh today.
4 kW
20.4 kWh
£6.84
6 kW
30.6 kWh
£10.26
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Wednesday, 29 April 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 20.7 kWh today.
4 kW
20.7 kWh
£6.93
6 kW
31 kWh
£10.39
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Tuesday, 28 April 2026
Bright skies over Belfast. A 4kW install is on track for about 13.1 kWh today.
4 kW
13.1 kWh
£4.40
6 kW
19.7 kWh
£6.60
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Monday, 27 April 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 6.3 kWh today.
4 kW
6.3 kWh
£2.13
6 kW
9.5 kWh
£3.19
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Sunday, 26 April 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 16.4 kWh today.
4 kW
16.4 kWh
£5.49
6 kW
24.6 kWh
£8.24
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Saturday, 25 April 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 19.4 kWh today.
4 kW
19.4 kWh
£6.51
6 kW
29.1 kWh
£9.76
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Friday, 24 April 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 20.2 kWh today.
4 kW
20.2 kWh
£6.78
6 kW
30.4 kWh
£10.17
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Thursday, 23 April 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 17.8 kWh today.
4 kW
17.8 kWh
£5.96
6 kW
26.7 kWh
£8.95
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Wednesday, 22 April 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 18.2 kWh today.
4 kW
18.2 kWh
£6.10
6 kW
27.3 kWh
£9.15
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Tuesday, 21 April 2026
Bright skies over Belfast. A 4kW install is on track for about 12 kWh today.
4 kW
12 kWh
£4.02
6 kW
18 kWh
£6.03
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Monday, 20 April 2026
A brilliant solar day in Belfast. A typical 4kW install would generate around 15.9 kWh today.
4 kW
15.9 kWh
£5.32
6 kW
23.8 kWh
£7.99
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Sunday, 19 April 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 9.9 kWh today.
4 kW
9.9 kWh
£3.33
6 kW
14.9 kWh
£5.00
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Saturday, 18 April 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 10.8 kWh today.
4 kW
10.8 kWh
£3.62
6 kW
16.2 kWh
£5.44
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Friday, 17 April 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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Thursday, 16 April 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 8.5 kWh today.
4 kW
8.5 kWh
£2.84
6 kW
12.7 kWh
£4.26
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Wednesday, 15 April 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 8.3 kWh today.
4 kW
8.3 kWh
£2.77
6 kW
12.4 kWh
£4.16
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Tuesday, 14 April 2026
A dull day in Belfast. Solar panels keep working though: a 4kW install would produce roughly 2.5 kWh.
4 kW
2.5 kWh
£0.85
6 kW
3.8 kWh
£1.27
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Monday, 13 April 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 9.2 kWh today.
4 kW
9.2 kWh
£3.07
6 kW
13.8 kWh
£4.61
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Sunday, 12 April 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 9.6 kWh today.
4 kW
9.6 kWh
£3.23
6 kW
14.5 kWh
£4.84
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Saturday, 11 April 2026
Bright skies over Belfast. A 4kW install is on track for about 11.4 kWh today.
4 kW
11.4 kWh
£3.84
6 kW
17.2 kWh
£5.75
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Friday, 10 April 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 7.9 kWh today.
4 kW
7.9 kWh
£2.63
6 kW
11.8 kWh
£3.95
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Thursday, 9 April 2026
Bright skies over Belfast. A 4kW install is on track for about 11 kWh today.
4 kW
11 kWh
£3.68
6 kW
16.5 kWh
£5.52
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Wednesday, 8 April 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 7.4 kWh today.
4 kW
7.4 kWh
£2.48
6 kW
11.1 kWh
£3.71
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Tuesday, 7 April 2026
Bright skies over Belfast. A 4kW install is on track for about 12.9 kWh today.
4 kW
12.9 kWh
£4.31
6 kW
19.3 kWh
£6.46
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Monday, 6 April 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 10.2 kWh today.
4 kW
10.2 kWh
£3.42
6 kW
15.3 kWh
£5.13
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Sunday, 5 April 2026
Bright skies over Belfast. A 4kW install is on track for about 13.7 kWh today.
4 kW
13.7 kWh
£4.59
6 kW
20.5 kWh
£6.88
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Saturday, 4 April 2026
A dull day in Belfast. Solar panels keep working though: a 4kW install would produce roughly 2.3 kWh.
4 kW
2.3 kWh
£0.78
6 kW
3.5 kWh
£1.17
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Friday, 3 April 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
£4.68
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Thursday, 2 April 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 6.5 kWh today.
4 kW
6.5 kWh
£2.19
6 kW
9.8 kWh
£3.28
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Wednesday, 1 April 2026
Overcast in Belfast. A 4kW install would still produce about 5.9 kWh of free electricity today.
4 kW
5.9 kWh
£1.97
6 kW
8.8 kWh
£2.96
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Tuesday, 31 March 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 9.1 kWh today.
4 kW
9.1 kWh
£3.03
6 kW
13.6 kWh
£4.55
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Monday, 30 March 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 10.3 kWh today.
4 kW
10.3 kWh
£3.45
6 kW
15.4 kWh
£5.17
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Sunday, 29 March 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 9.4 kWh today.
4 kW
9.4 kWh
£3.15
6 kW
14.1 kWh
£4.73
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Saturday, 28 March 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 10.6 kWh today.
4 kW
10.6 kWh
£3.55
6 kW
15.9 kWh
£5.33
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Friday, 27 March 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 9.6 kWh today.
4 kW
9.6 kWh
£3.22
6 kW
14.4 kWh
£4.83
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Thursday, 26 March 2026
Overcast in Belfast. A 4kW install would still produce about 4.7 kWh of free electricity today.
4 kW
4.7 kWh
£1.58
6 kW
7.1 kWh
£2.37
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Wednesday, 25 March 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 8.5 kWh today.
4 kW
8.5 kWh
£2.83
6 kW
12.7 kWh
£4.25
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Tuesday, 24 March 2026
Overcast in Belfast. A 4kW install would still produce about 3.1 kWh of free electricity today.
4 kW
3.1 kWh
£1.05
6 kW
4.7 kWh
£1.57
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Monday, 23 March 2026
Overcast in Belfast. A 4kW install would still produce about 5.4 kWh of free electricity today.
4 kW
5.4 kWh
£1.80
6 kW
8.1 kWh
£2.70
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Sunday, 22 March 2026
Overcast in Belfast. A 4kW install would still produce about 5.6 kWh of free electricity today.
4 kW
5.6 kWh
£1.86
6 kW
8.3 kWh
£2.79
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Saturday, 21 March 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
£5.69
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Friday, 20 March 2026
Bright skies over Belfast. A 4kW install is on track for about 11.9 kWh today.
4 kW
11.9 kWh
£3.99
6 kW
17.9 kWh
£5.99
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Thursday, 19 March 2026
Mixed cloud over Belfast. Even so, a 4kW install would generate around 10.9 kWh today.
4 kW
10.9 kWh
£3.64
6 kW
16.3 kWh
£5.46
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Wednesday, 18 March 2026
Overcast in Belfast. A 4kW install would still produce about 5.6 kWh of free electricity today.
4 kW
5.6 kWh
£1.87
6 kW
8.4 kWh
£2.80
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Tuesday, 17 March 2026
Overcast in Belfast. A 4kW install would still produce about 5.1 kWh of free electricity today.
4 kW
5.1 kWh
£1.72
6 kW
7.7 kWh
£2.59
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Monday, 16 March 2026
Overcast in Belfast. A 4kW install would still produce about 3.3 kWh of free electricity today.
4 kW
3.3 kWh
£1.12
6 kW
5 kWh
£1.68