I am rather confused by the rates used by Kenya Power for issuing power units. 2000 /- does not get you a consistent no. of units yet the exchange rate is rather stable. Just this morning 2,000 bob got me 117 units which lasts about 12 days at 10 units a day. 

How much do listers get? Is it consistent? 

I also think they have zones with Westlands paying way more than Eastlands. 
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Regards,

Mark Mwangi

markmwangi.me.ke