Autonomy scoreLocal analysis
Aberdeen Home autonomy potential in Aberdeen (Scotland)
The strongest asset here is Food growing. It is not, however, what pays your home the most: that is Low-carbon heating.
Annual potential, standard home
£4,926
Four items added up — each one is a separate decision, in whatever order suits you.
Overall score
55 /100
Growing
Aberdeen: 55/100 achievable autonomy with a recommended setup.
Solid potential — real, achievable gains in energy, water & food autonomy await.
What you could reach in Aberdeen
A typical home in Aberdeen can reach about 55% self-sufficiency with a right-sized solar, storage, rainwater and low-carbon heating setup — much of it backed by UK grants and 0% VAT. The figure sharpens once you enter your own home.
- ≈200 days a year off the grid — keep the fridge, lights, router and heating pump running straight from your own roof and battery, right through a winter outage.
- Rainwater self-reliance — ≈76,925 L harvested from a 100 m² roof covers the garden and toilet flushing, so hosepipe bans stop mattering.
- A real harvest — ≈320 kg of fresh vegetables over a ≈289-day frost-free season takes a genuine bite out of the weekly shop.
- A warm, low-bill winter — insulation plus a right-sized heat pump turns the local climate into low-carbon comfort and shields you from gas-price spikes.
From the most to the least profitable, here
What you could gain
-
Low-carbon heating29/100
~£3,043/yr
less heating after insulation + heat pump (−10,530 kWh/yr on 90 m², electric heating)
The detail
Realistic outlook
3,380 heating-degree-days: a high-efficiency heat pump is the lowest-carbon way to keep Aberdeen warm.
Watch-outs
A heat pump only pays off in a well-insulated envelope — insulate first, then size the unit.
Grants & tips
Boiler Upgrade Scheme: £7,500 towards an air-source heat pump (England & Wales); ECO4 and the Great British Insulation Scheme fund insulation, plus 0% VAT on heat pumps.
Heating-degree-days (base 18°C) : ≈ 3,380 HDD — Source: PVGIS, hourly ERA5 temperatures 2005–2015 (base 18°C).
-
Food growing70/100
~£941/yr
off the weekly shop — up to ≈320 kg/yr of fresh vegetables from 100 m²
The detail
Realistic outlook
With about 289 frost-free days, a household garden in Aberdeen supports up to three planting rotations a year.
Watch-outs
A productive garden needs space, decent soil and a few hours a week — start small and scale up.
Grants & tips
Council allotments (Allotments Act) give cheap growing plots; RHS and community-garden schemes support home food production.
Frost-free growing season : ≈ 289 days — Source: PVGIS, hourly ERA5 temperatures 2005–2015 (frost dates).
-
Solar energy52/100
~£682/yr
less electricity with 3 kWp on your roof (≈2,727 kWh/yr)
The detail
Realistic outlook
At 909 kWh/kWp per year, Aberdeen offers solid potential for residential rooftop solar.
Watch-outs
Roof orientation, shading and DNO connection rules affect real output — get an MCS-certified site assessment first.
Grants & tips
Smart Export Guarantee (SEG): your supplier pays for surplus solar exported to the grid, plus 0% VAT on residential solar PV and battery storage until 2027.
Annual PV yield : 909 kWh/kWp — Source: PVGIS 5.2 (EU Joint Research Centre), optimal tilt and local horizon.
-
Rainwater63/100
~£260/yr
less mains water with a 5,000 L tank (≈76,925 L/yr harvestable from a 100 m² roof)
The detail
Realistic outlook
905 mm of rain a year makes rooftop rainwater harvesting worthwhile in Aberdeen.
Watch-outs
Harvested rain is non-potable by default — keep it separate from drinking water and add a first-flush diverter.
Grants & tips
Many UK water companies offer subsidised or free water butts; on a metered supply, harvested rainwater cuts your water bill directly.
Average annual rainfall : 905 mm — Source: NASA POWER, MERRA-2 corrected precipitation.
£4,926
Ranked by annual value. The order of the works themselves does not change: insulate before you equip.
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Estimate your solar system in Aberdeen
Estimate your solar system in Aberdeen
Based on a local yield of 909 kWh/kWp per year.
Indicative estimate (production = kWp × local yield). Real output depends on roof orientation, shading and your self-consumption rate.
Climate month by month in Aberdeen
In Aberdeen, a 3 kWp array pitched at 43° and facing due south — the optimum PVGIS computes for this location — produces about 2,727 kWh a year. May is the strongest month, at about 372 kWh, and December the weakest, at 72 kWh. November to February bring only 15% of the year's output, so a battery evens out days rather than seasons: in winter the grid or another source carries most of the load.
Every month averages below 15 °C in Aberdeen, so some heating is needed all year round; February is the coldest at 4.5 °C. In a typical year the coldest hours drop to about 0 °C, the point a heat pump has to be sized for: mild conditions, the easiest case for any heat pump.
Frost is possible until early March and returns from mid-December, which leaves about 289 frost-free days; tender crops such as tomatoes, beans and squash go outside once early March is past. Days above 30 °C are rare, so summer care is mostly steady watering.
Mean wind at 10 m reaches 5.8 m/s, above the roughly 5 m/s at which a small turbine becomes worth studying. The southern horizon is open (at most 1.1°) in PVGIS's elevation model, so low winter sun reaches roofs unless nearby buildings block it.
Compared with Dundee, 93 km away, Aberdeen has 4% less solar yield, 85 more frost-free days and a heating need 3% lower. Compared with Edinburgh, 149 km away, Aberdeen has 1% less solar yield, 68 more frost-free days and a heating need 6% lower.
| Month | Mean temperature | Solar output, 3 kWp |
|---|---|---|
| January | 4.7 °C | 90 kWh |
| February | 4.5 °C | 141 kWh |
| March | 5.3 °C | 243 kWh |
| April | 7.1 °C | 321 kWh |
| May | 9.0 °C | 372 kWh |
| June | 11.6 °C | 336 kWh |
| July | 13.7 °C | 339 kWh |
| August | 13.6 °C | 306 kWh |
| September | 12.5 °C | 240 kWh |
| October | 10.3 °C | 162 kWh |
| November | 7.3 °C | 105 kWh |
| December | 5.0 °C | 72 kWh |
Frequently asked questions — Aberdeen
How much could solar panels generate in Aberdeen?
A well-oriented 3 kWp rooftop array in Aberdeen produces about 2,727 kWh a year, worth roughly £682 in self-consumption. A 6 kWp system reaches about 5,454 kWh/yr where the roof allows. Smart Export Guarantee (SEG): your supplier pays for surplus solar exported to the grid, plus 0% VAT on residential solar PV and battery storage until 2027.
Is rainwater harvesting worth it in Aberdeen?
Yes. A 60 m² roof in Aberdeen can capture about 46,155 litres a year for the garden, WC and washing machine. Keep harvested rain separate from drinking water and fit a first-flush diverter. Many UK water companies offer subsidised or free water butts; on a metered supply, harvested rainwater cuts your water bill directly.
What grants help with low-carbon heating in Aberdeen?
Boiler Upgrade Scheme: £7,500 towards an air-source heat pump (England & Wales); ECO4 and the Great British Insulation Scheme fund insulation, plus 0% VAT on heat pumps. Insulate first — a heat pump only pays off in a well-insulated home (3,380 heating-degree-days here), so prioritise the roof and walls before sizing the unit.
How much food can a garden grow in Aberdeen?
With about 289 frost-free days, a 100 m² garden in Aberdeen yields roughly 320 kg of fresh fruit and vegetables a year — a partial share of a household's needs, not full calorie autonomy. Council allotments (Allotments Act) give cheap growing plots; RHS and community-garden schemes support home food production.
When is the last frost in Aberdeen?
Frost is possible until early March and returns from mid-December, which leaves about 289 frost-free days; tender crops such as tomatoes, beans and squash go outside once early March is past.
How much does solar produce in winter in Aberdeen?
December is the weakest month: a 3 kWp array makes about 72 kWh, against 372 kWh in May. November to February add up to 15% of the yearly total.
How this score is calculated
Public climate data (PVGIS, European Commission) weighted by how vital each dimension is. The score sharpens once you enter your own home. See the full methodology.
Sources
- Solar energy — Source: PVGIS 5.2 (EU Joint Research Centre), optimal tilt and local horizon.
- Rainwater — Source: NASA POWER, MERRA-2 corrected precipitation.
- Food growing — Source: PVGIS, hourly ERA5 temperatures 2005–2015 (frost dates).
- Low-carbon heating — Source: PVGIS, hourly ERA5 temperatures 2005–2015 (base 18°C).
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