How much will solar panels produce in Newcastle?

A 6.6 kWp system facing north at 35° tilt in Newcastle produces about 10,733 kWh a year. In a weak year that is 8,915 kWh, in a good one 12,551 kWh — 1,626 kWh per kWp.

That’s about 195% of a typical home’s yearly use (5,500 kWh).

Calculate for my roof

Based on 2014–2023 satellite weather data

Production by month

05001,0001,500JanJanuary: 6.6 kWp 958 kWh, range 783–1,134FebFebruary: 6.6 kWp 885 kWh, range 709–1,062MarMarch: 6.6 kWp 898 kWh, range 694–1,102AprApril: 6.6 kWp 878 kWh, range 706–1,049MayMay: 6.6 kWp 827 kWh, range 669–985JunJune: 6.6 kWp 657 kWh, range 506–809JulJuly: 6.6 kWp 792 kWh, range 619–966AugAugust: 6.6 kWp 917 kWh, range 738–1,096SepSeptember: 6.6 kWp 982 kWh, range 797–1,166OctOctober: 6.6 kWp 1,030 kWh, range 801–1,259NovNovember: 6.6 kWp 994 kWh, range 784–1,204DecDecember: 6.6 kWp 1,001 kWh, range 818–1,184

kWh per month

A typical day in October

The sunniest month in Newcastle. Output peaks around 11:00 solar time, at about 4.3 kWh in the best hour.

0:006:0012:0018:0023:00 4.3 0

Month by month

Month Weak year, kWh Typical year, kWh Good year, kWh
January 783 958 1,134
February 709 885 1,062
March 694 898 1,102
April 706 878 1,049
May 669 827 985
June 506 657 809
July 619 792 966
August 738 917 1,096
September 797 982 1,166
October 801 1,030 1,259
November 784 994 1,204
December 818 1,001 1,184
Year 8,915 10,733 12,551

The months don’t add up exactly to the yearly figure, because each one is the typical value across many years.

Common questions

How much do solar panels produce in winter in Newcastle?

From May to August the system produces about 3,194 kWh, which is 30% of the year. The weakest month (June) gives roughly 657 kWh.

Is an east-west roof worth it in Newcastle?

An east-west system typically produces 10–25% less per kWp than one facing north, but spreads production more evenly through the day. The exact difference depends on tilt and shading.

Compare an east-west roof for Newcastle

Ground mount or roof in Newcastle?

A ground mount can be tilted and aimed freely, which can add some yield, but it costs more and needs space. Compare both for your own plot.

Check a ground-mounted system in Newcastle

Your roof is not an average roof

Set your own tilt, direction, shading and inverter limit and get a range for your address.

Calculate for my roof

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Climate data: Photovoltaic Geographical Information System (PVGIS) — European Commission, Joint Research Centre