Following the news that the Nigerian Electricity Regulatory Commission (NERC) has directed electric MD consumers not provided with prepared meters by March 1 to stop paying for electric bills presented by Distribution Companies (DISCOs) on the basis of estimated billing methodology. ( https://www.nairaland.com/3853577/nerc-directs-nigerians-without-prepaid ), I think it would be nice for all Nairalanders to know the difference between electric consumers in Nigeria.
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The Nigerian Electricity Regulatory Commissions provides a range of customer who falls under tariff classes which the Discos bill on a monthly basis and periodically for customers with prepaid meters. The classes are divided between residential customers, commercial customers, industrial customers, government agencies, religious bodies and street lights.

However, there are two main groups of electricity customers in Nigeria namely the Maximum Demand Customers (MD) and the non-Maximum Demand Customers (Non-MD). The major difference between MD and Non-MD customers is that the MD customers have their own individual transformers. For example, a bank or estate with a dedicated transformer is an MD customer. Unlike Non-MD customers who share transformers with communities. Non-MD customers typically pay higher fixed charges.

Here are their breakdowns and codes:

MD CUSTOMER CLASS

R3 Small estate, government houses,
C2 Hotels, banks
C3 large supermarkets, hypermarkets
D2 Large scale industrials, Metal companies
D3 Oil companies, large construction companies
A1 Schools, Churches and Mosques
A2 Medium size barracks
A3 Large barracks, large Agricultural processing companies
S1 Street lights

Non-MD

R1 Customers with consumption below 50 kilowatt
R2 Customers with consumption above50 kilowatt
C1 Small businesses e.g. small barbing and hairdressing saloons
C2 Hotels
D1 Small industries e.g. welders, pure water companies
D2 Large Scale Industries, Metal companies
A1 Schools, Churches and Mosques

Source: http://www.rapportnaija.com/2017/06/Difference-electricity-customers-nigeria.html

CC Lalasticlala Mynd44