Solar installation qualified percent

solar_installation_qualified_percentEnvironmentFloat · percent

Indicates the share of buildings in the surrounding postcode with roof characteristics suitable for solar installation. Known or imputed for 10,838 postcodes — 31.9% of the postcodes Faraday knows.

At a glance

Coverage today
31.9%
Typical coverage
31.9%
Postcodes with a value
10.8K
Median
0.84 percent
Most values come
from the area
Latest collection
Dec 31, 2018

Distribution

n = 10,838

Share of postcodes with a known value in each band. The middle 50% falls between 0.75 and 0.92 percent, shaded darkest.

P10
0.65
P25
0.75
Median
0.84
P75
0.92
P90
0.97

P10 means 10% of postcodes have a value at or below this one, and P90 means 90% do. P25 and P75 bound the middle half. The median is the middle: half are below it, half above.

Coverage

Latest collection: 41,117 postcodes

Coverage by state

Percentage of postcodes in each state with a value.

Coverage over time

31.9% today

Share of postcodes holding a value at each monthly snapshot. A value carries forward for one year.

Dec 18Jan 25May 26

How we arrive at a value

Whether a value was observed on the person themselves, carried from their address, or estimated from the people around them.

On the person — 0%
Not used for this attribute — no value is inherited this way.
From address — 0%
Not used for this attribute — no value is inherited this way.
From geography — 100%
Estimated from other people in their postcode or region.

Coverage, in context

Where 31.9% sits on the catalog’s own coverage range.

catalog min 11%max 100%

Higher coverage than 3% of postcode-level attributes in the catalog

Freshness

How recently this was collected, and how often a new collection arrives. Each bar is the number of postcodes in that collection. Gaps are real — collection is periodic, not continuous.

Dec 31, 2018
latest collection
93 months 7 days
since the latest collection
Dec 18

Contribution ledger

1 ingestion

1 authority contributed since Dec 2024.

ObservedIngestedCountID
2024-12-312026-09-1641,117e2d21660…

Technical details

API name
solar_installation_qualified_percent
Category
fig/environment
Type · unit
Float · percent
Statistical type
ratio
Allowed values
null
Derivations
null
Directionality
Higher number means a larger share of buildings suitable for solar installation in the surrounding postcode.
Deprecation
false

In a payload

{
  "attributes": {
    "solar_installation_qualified_percent": 0.842
  }
}