The deliberate interference with the substation's electricity equipment was condemned by NIE safety manger Kevin McDowell.
Plans for pylons and the substation have been criticised and several public meetings have been held.
One employee said she believed the blast came from an electricity substation located in the building.
ScottishPower intends to connect at least 10 planned wind farms to a proposed substation in north Powys.
Officials spoke at an East Manhattan substation that flooded during Sandy, sapping power to some 250, 000 New Yorkers.
They will then continue underground to a compound near Skegness before linking to a substation at Bicker Fen.
He directed me to a modest police substation, where there was an officer who might speak to me.
It will mean also a substation or a hub, with smaller pylons connecting to wind farms in the uplands.
Mr Gilbert said they were building a replacement substation and salvaging and repairing the network around the vandalised substation.
No one was injured during the incident, but the substation was substantially damaged.
The Superdome has a direct line feeding from a nearby Entergy power substation.
In this case, 90 metres of superconducting cable have been installed at an electricity substation owned by Copenhagen Energy.
Vandals who broke into an electricity substation in north Belfast left 6, 000 properties without power, Northern Ireland Electricity (NIE) has said.
The company said the substation at Ballysillan was vandalised on Sunday and again on Monday evening after it had been repaired.
An appeal for information has been made after a young rabbit was found abandoned next to an electrical substation in Aberdeenshire.
Hundreds of people attended a meeting in Welshpool on 20 April opposing plans by National Grid to build the 19-acre substation.
Fire crews helped prevent water damaging the substation on Boxing Day which supplies about 40, 000 properties in Reading and south Oxfordshire.
The FORBES offices are three blocks from an electrical substation that exploded on Monday evening, so there is no electricity there.
Vandals who set fire to an electricity substation in Carrickfergus on Friday night could have been killed, Northern Ireland Electricity has said.
New York City substation, its potential for cascading consequences increases dramatically, but nonetheless is capped by the configuration of the electrical network.
By Monday night a temporary barrier around the substation was completed and pumps had been installed to keep ground water from rising.
Road access to the site of a new electricity substation is narrow so Western Power Distribution (WPD) agreed the alternative method of transport.
BBC: Gloucester Sharpness Canal used in ?12m building project
Some time between 18:00 GMT and 19:00 GMT on Thursday, an electrical substation on a windfarm on the Ballyconnell Road, was set alight.
And with Project Look founder Roxanne Hood-Lyons, he got a police substation on the premises, which has reduced crime in the neighborhood by 53%.
Cables will then continue underground to an electrical compound near Skegness and from there will link to a substation at Bicker Fen, near Boston.
Instead, he says, it should be on the "middle mile, " the substation and distribution network that is the least transparent area of power delivery.
One is a 3.7 mile link connecting two substations and the other is a 1.1 mile patch that will run along a public roadway to a substation.
That is in line with previous estimates to rebuild a nearby substation that flooded and cut power to New Jersey Transit's train service into Hoboken for months.
Cable and telephone companies can run all kinds of high-bandwidth wires to your neighborhood, but they're still constrained by old low-tech connections from their substation to your computer.
ScottishPower's consultation process will help establish a preferred route for the pylons from the planned wind farms to the substation, which will then be subject to further consultation.
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