Electric Generation/Production & Use

Joe Green

Coordinator, Energy Services

Delaware Electric Co-op “We Keep the Lights On”

Delaware EnvirothonDelaware Envirothon

Hydro PowerHydro Power

Solar PowerSolar Power

Coal PowerCoal Power

Wind PowerWind Power

Nuclear PowerNuclear Power

DifferentDifferentTypes ofTypes of

Power PlantsPower Plants

How a Coal-Fired Plant Works

Coal brought in by Ship or Rail Coal brought in by Ship or Rail (¾ Lb. = 1 kWh)(¾ Lb. = 1 kWh)

Pulverizes to a Talcum PowderPulverizes to a Talcum Powder

After Burning Fly AshAfter Burning Fly AshCollects in precipitatorCollects in precipitator

To reduce smokeTo reduce smokeSteam spins turbine and generatorSteam spins turbine and generator

River water cools turbineRiver water cools turbineAnd returns to reservoirAnd returns to reservoir

How a Hydroelectric Dam Works

How Nuclear Plants Work

How Power gets to the Home

Long DistancesLong Distances66,000-765,000 Volts66,000-765,000 VoltsFrom Power PlantFrom Power Plant

13,800 Volts13,800 Volts

Step Up TransformerStep Up Transformer66,000-765,000 Volts66,000-765,000 Volts

Step Down TransformerStep Down Transformer2,400-13,800 Volts2,400-13,800 Volts

2,400-13,800 Volts2,400-13,800 Volts

Step Down TransformerStep Down Transformer120-240 Volts Residential120-240 Volts Residential

277-480 volts and up 277-480 volts and up Commercial & IndustrialCommercial & Industrial

Delaware’s Major PlantsDelaware’s Major PlantsEdge Moor 718 MWEdge Moor 718 MWHay Road 1052 MWHay Road 1052 MWIndian River 767 MWIndian River 767 MW

Other Power Producers

Ocean WavesOcean Waves Fuel CellsFuel Cells

Useful Web Sites:

• Video: Fossil Station Operations www.dom.com/about/stations/fossil

• Fuel Cell Web Site http://www.fuelcells.org

• Wind Energy Web Site

http://www.awea.org• Delaware Energy Office Web Site

http://www.delaware-energy.com• Energy Information Administration Web Site

http://eia.doe.doe.gov• Solar Energy Web Site

http://www.ases.org

Delaware Electric Coop., Inc.Delaware Electric Coop., Inc.

OUR MISSION

We are committed to“Keep The Lights On”

By providing safe, reliable and competitively-priced energy services for our

member owners and communities

Any Questions?

Basics of a SolarBasics of a Solar

Basics of a Wind Basics of a Wind