Related by context. Frequent words. (Click for all words.) 47 outages 46 Electric Reliability Council 46 power outages 45 rolling blackouts 45 intermittency 44 PJM Interconnection 44 blackout 44 electrical grid 43 FirstEnergy 43 blackouts 43 Utility crews 43 Midwest ISO 43 outage 43 Repair crews 43 spokesman Dan Stessel 42 power outage 42 FirstEnergy Corp. 42 grid 41 MISO 41 downed wires 41 Slippery roads 41 kilovolt transmission line 41 voltage transmission 41 PJM 40 electricity 40 Independent System Operator 40 severe thunderstorms 40 pipeline rupture 40 Downed power 39 American Electric Reliability 39 transformer 39 kilovolts 39 electric utilities 39 Scattered thunderstorms 39 substation 39 spawning tornadoes 39 downing trees 39 electricity grids 39 natural gas 39 grids 39 transmission 39 switchyard 38 Stessel 38 thunderstorms 38 Downed trees 38 stray voltage 38 utilities 38 ice accumulations 38 kilovolt 38 wintry precipitation 38 refinery shutdowns 38 unplanned shutdowns 38 snow squalls 38 turbine generators 38 substations 38 megawatts 38 ERCOT 38 derailments 38 shutoffs 38 AEP 37 propane leak 37 DTE Energy Co. 37 combustion turbine 37 NERC 37 downed trees 37 wind farms 37 Severe storms 37 interconnector 37 Severe thunderstorms 37 storms 37 multistate 37 Slick roads 37 gigawatts 37 unplanned outages 37 brownouts 36 shutoff 36 radioactive leaks 36 Peco Energy 36 regulator Ofgem 36 transformers 36 Niagara Mohawk 36 isolated tornadoes 36 freezing rain 36 smart grid 36 geomagnetic storm 36 Freezing temperatures 36 smart grids 36 SoCal Edison 36 Freezing rain 35 emission reductions 35 supply disruptions 35 utility 35 shutdowns 35 powerlines 35 utility poles 35 baseload 35 downed tree limbs 35 Icy roads 35 turbine generator 35 interconnections 35 Penelec