**Appendix A. Survey Questionnaire**

#### **SECTION 1: RESPONDENT DETAILS**


$$\boxed{}\boxed{41-45} \text{ (6) }\boxed{}\boxed{46-50} \text{ (7) }\boxed{}\boxed{51-55} \text{ (8) }\boxed{}\boxed{56-60} \text{ (9) }\boxed{}\boxed{61+ \\ (10)$$

1.2 **Gender of respondent** - Female (2) -Male (1)

#### **SECTION 2: HOUSEHOLD INFORMATION**




3.7 **Other sources of fuel which are available for purchase (for any non-cooking purpose) that are not used, and why (please tick if relevant):**




Notes: For (a), measuring the consumption of grid electricity might be difficult to ascertain. Calculate based on how much they are charged in their tariffs. Further, the questions withis for car batteries only.

 "\*"

> 3.10


Notes: For the electricity fuels, number of shortages would be measured by how many hours per day there was no electricity. For other fuels, they would involve number of times these fuels have not been available to purchase in that month period.



*Energies* **2020**, *13*, 6682


#### **SECTION 4: HOUSEHOLD ELECTRIFICATION**

4.1 (a) **Is this household connected to the national grid supply for electricity? (only national provider should be considered, i.e., PHCN)**


(b) **If No, please say why you are not connected**


	- - Yes (1) -No (2)

(b) **If No, then how is electricity supplied to the household?**



4.3 **Do you own a solar home system (SHS)?**

 Yes (1) -No (2) **(if "no", skip to question 4.19)**

**(if "yes", skip questions 4.19 & 4.20)**

	- - Purchase (1) - Free (2) -Not applicable (3)

(b) **If "free", would you still have gotten the SHS if it was not free?**


4.5 **How long ago (in months) did the household first get the SHS?**

\_\_\_\_\_\_\_\_\_\_\_\_ months

4.6 **What is the capacity of your SHS (in Watts?)** (*If they do not know the answer to this, o*ff*er to check the unit*)

\_\_\_\_\_\_\_\_\_\_\_\_ watts

4.7 **Which of the following appliances do you want to own, already own, do not want**/**care to own, or cannot use? (***Tick as appropriate***)**


**a** -

4.8 **If you ticked any appliance under "want to own", why haven't you purchased the equipment?**


4.9 **In the past 3 months, how many hours a day would you say you use the SHS system?**


4.10 **What is the duration, in hours**/**day, you would prefer to have the supply of electricity, as opposed to what you have now?**

 From \_\_\_\_\_\_\_ to \_\_\_\_\_\_\_\_\_ (1) **b** - Happy with the current duration (2) **c** n/a (3)

4.11 **What has been the most important use of your SHS for your household? Please tick in descending order of importance, with 4 being the most important and 1 the least important.**




4.14 (a) **Do you prefer a mini-grid**/**national grid connection guaranteed for, say 4 to 6 h per day, (use NEPA or PHCN acronym if it helps them understand) than the SHS for the whole day?**

\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_

\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_


(b) **If "Yes, what are your reasons?**

(c) **If "No", what are your reasons?**

\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_

\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_

4.15 (a) **Would you be willing to pay a part of the connection**/**set up cost if it meant you would get connected to a national**/**mini grid that promises to provide uninterrupted supply of electricity?**


(b) **If "yes", how much would you be willing to pay?** \_\_\_\_\_\_\_\_\_\_\_\_

(c) **If "yes", what is the minimum number of hours per day of electricity you would expect from the grid to be worth your payment?**

Amount \_\_\_\_\_\_\_\_\_\_\_

4.16 **How much more compared to your SHS payments would you be willing to pay regularly on a monthly basis for electricity, if you can upgrade to the national grid**/**mini grid? (***If SHS use is free, then just ask how much they would be willing to pay monthly to use the grid, as opposed to comparing to SHS payments***)** Amount: \_\_\_\_\_\_\_\_\_\_

\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_

4.17 **Has your SHS lived up to the expectations you had before you purchased it. Please explain**

```
4.18 If the answer to 4.3 is "no", why do you not own a SHS?
      -
       High cost of connection (1) -
                                     High cost of tariff/monthly payments (2) -
                                                                                not reliable (3) -
                                                                                                  not available (4)
      -
       Not needed (5) -
                         other (please explain) (6) -
                                                      n/a (7) -
                                                                capacity too small (8)
4.19 (a) If the answer to 4.3 is "no", have you previously owned a SHS?
```

```
 Yes (1) -
               No (2)
```
(b) **If "yes", why do you no longer have one? Please explain**

\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_

\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_

(c) **If "yes", what has been your experience since you have switched to using other fuel sources for your household? Please explain** \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_

\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_

\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_
