Table 3 Original URCA spatial categories and corresponding PeopleSuN aggregated categories.

From: Electricity supply quality and use among rural and peri-urban households and small firms in Nigeria

 

(a) URCA original categories

Large cities

Intermediate cities

Small cities

Towns

>5 M

1–5 M

0.5–1 M

0.25–0.5 M

0.1–0.25 M

0.05–0.1 M

0.02–0.05 M

Urban centers

1

2

3

4

5

6

7

Peri-urban 0–1 hours

8

9

10

11

12

13

20a

Peri-rural 1–2 hours

14

15

16

17

18

19

20b

2–3 hours

21

22

23

24

25

26

27

Hinterlands >3 hours

      

28/29

 

(b) URCA PeopleSuN aggregated categories

Urban centers

Urban Core

Cat 1

Peri-urban 0–1 hours

Cat 2

 

Cat 3

 

Cat 4

  

Peri-rural 1–2 hours

   

Cat 4

   

2–3 hours

   

Cat 4

   

Hinterlands >3 hours

      

Cat 4

  1. URCA categories reflect distinct catchment areas describing distance from urban agglomerations taking into account road quality among other factors. These are aggregated for the purposes of the PeopleSuN sample. See8 for further detail regarding the categorisation approach.
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