Electricity: NEMSA cautions consumers on consequences of installing substandard meters
– By majorwavesen

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The Nigerian Electricity Management Services Agency (NEMSA), has warned consumers on the consequences of installing substandard and uncertified electricity meters to avoid loss of lives and property.

Mr Peter Ewesor, the Managing Director of NEMSA gave the warning at a news conference in Abuja on Thursday

“To avoid these dangers and unwarranted bad consequences of uncertified meters, NEMSA statutorily tests and certifies electricity meters before they are allowed to be used in Nigeria.

“This is in line with Part 2, Section 6b of the NEMSA Act 2015,’’ he said.

Ewesor said that the consequences of using such meters in industries or residential buildings and other work places include electrical accidents and possibility of electric shock/electrocution.

According to him, the use of uncertified meters can possibly bring about fire outbreak, inaccurate reading of energy supplied/consumed, improper or crazy billing which bring about constant disputes between consumers and electricity supplier.

He listed the features of NEMSA tested and certified meters in line with the “Nigeria Metering Code Version 02’’ to include a plastic seal with NEMSA inscription and a NEMSA test label.

Ewesor also said that the standard transformers (TSs) capacities for use in Nigeria includes 2.5 Mega Volt Amp (MVA), 5MVA, 7.5MVA, 15MVA up to 30 MVA

“They are suitable for 33/11Kilo Volt (KV) operation with 11KV at the secondary side of the transformer at a nominal frequency of 50Hz and Vector Group of DYn1.’’

According to him, Distribution Transformers should be 25 kilovolt-Ampere (KVA), 50KVA, 100KVA, 200KVA, 500KVA, 1000KVA, 1500KVA and 2,500.

He said that they were more suitable for 33/0.415 or 11/0.415KV operation with 400 Volt at secondary side of the transformer at a nominal frequency at 50Hz with Vector Group Dyn11.

Ewesor noted that “Derogation’’ with respect to inappropriate transformer Vector group was not an excuse not to comply with specifications as per extant regulations.

“Derogation’’ is given for installations not in compliance with extant regulations with specified period of time to bring such installation to compliance.

“It does not apply to new installations as these installations at conception/inception must comply with specifications of the extant Nigeria Electricity Supply and Installation Standard (NESIS) Regulations before execution,’’ he said.

Ewesor said that the National Council on Power had  banned the use  33 KV Primary Feeder lines conveying power from transmission substation to 33/11 KV injection substation for point load nationwide.

He said that the ban was as a result of unnecessarily increasing the line loads on the 33KV primary O-H feeder lines to the detriment of delivery of bulk power to the 33/11KV injection substations.

“Thus the customers on the 11KV0.415 network who are majority are now deprived of adequate and reliable supply,’’ he said.

Ewesor said that in line with Part 2, Section B, and Part 5 Section 11.4 of the NEMSA Act-2015, the organisation had been given the mandate to enforce all technical standard and rules.

He said that the mandate also gives room for the effective monitoring of implementation of electricity supply by industries.

According to him, the mandate is to ensure effective and efficient production and safe delivery of power and to ensure safe use of that power and safety of lives and property in the industry.

“We are also to certify all electrical contractors and personnel in the industry as that is one of the principal instruments we use to monitor.

“And to ensure that those carrying out electrical installation are doing it rightly and appropriately and meeting all relevant requirements.

“Moreso, we are by law mandated to publish any report that will ensure and support growth of the sector.’’

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