The Transmission Company of Nigeria(TCN) says the collapse of the National Grid on May 8 at 14: 32 hours was caused by a multiple tripping around its substation in Onitsha in Anamabra state. The Managing Director of TCN, Mohammed Usman said this at a news conference in Abuja on Friday. The Nat
```
Members Only

Login or create an account to continue

This article is available to registered BusinessDay readers. Please login if you already have an account, or create a new account to continue reading.

New to BusinessDay? Register now and start reading.

```

Join BusinessDay whatsapp Channel, to stay up to date

Open In Whatsapp