Power Outlook for TexasPower Outlook for Texas

Ed ClarkEd Clark

Communications DirectorCommunications Director

May 3, 2012May 3, 2012

ERCOT Statewide GridERCOT Statewide Grid

75% of state75% of state

85% of energy use85% of energy use

23 million Texans23 million Texans

600 generating units600 generating units

74,000 MW available generation74,000 MW available generation

ERCOT Statewide GridERCOT Statewide Grid

74,000 MW Available generation74,000 MW Available generation

• 2,000 MW Mothballed units2,000 MW Mothballed units

1,500 MW Demand response1,500 MW Demand response

68,379 MW Record Peak weekday68,379 MW Record Peak weekday

65,159 MW Record Peak weekend65,159 MW Record Peak weekend

67,492 MW Projected Peak 201267,492 MW Projected Peak 2012

ERCOT Operations - NodalERCOT Operations - Nodal

Generators bid unitsGenerators bid units

ERCOT selects generationERCOT selects generation

Providers purchase power needsProviders purchase power needs

Price cap -- $3,000/MWhPrice cap -- $3,000/MWh

Price cap --$4,500/MWh –Aug 1Price cap --$4,500/MWh –Aug 1

ERCOT Emergency Operations ERCOT Emergency Operations

3,000 MW reserve – 13% goal3,000 MW reserve – 13% goal

State peak 4:00-5:00 p.m.State peak 4:00-5:00 p.m.

Austin peak 5:00-6:00 p.m.Austin peak 5:00-6:00 p.m.

Call for conservationCall for conservation

3-step emergency process3-step emergency process

Rolling blackoutsRolling blackouts

Rolling BlackoutsRolling Blackouts

ERCOT orders and leadsERCOT orders and leads

Austin 4% of summer peakAustin 4% of summer peak

106 circuits available106 circuits available

Geographically diverse Geographically diverse

Rolling BlackoutsRolling Blackouts

Not eligibleNot eligible

• Health and safety Health and safety

• DowntownDowntown

• Large industriesLarge industries

• Last gasp networkLast gasp network

ERCOT Emergency OperationsERCOT Emergency Operations

Conservation really helpsConservation really helps

• Turn off lights/equipmentTurn off lights/equipment

• Turn off fountainsTurn off fountains

• Use stairs Use stairs

• Turn up ACTurn up AC

Energy Efficiency ProgramEnergy Efficiency Program

Call for free energy assessmentCall for free energy assessment

30-45 minutes30-45 minutes

Company provides bidCompany provides bid

Outlines rebatesOutlines rebates

Austin Energy reviews planAustin Energy reviews plan

Austin Energy reviews workAustin Energy reviews work

Energy Efficiency ProgramEnergy Efficiency Program

Average older home:Average older home:

• Leaking 20-25% of coolingLeaking 20-25% of cooling

• Needs 6-8 inches insulationNeeds 6-8 inches insulation

• Weather stripping- doorsWeather stripping- doors

• New AC 40-50% more efficientNew AC 40-50% more efficient

Low cost Actions- Big ResultsLow cost Actions- Big Results

Turn off all lightsTurn off all lights

Power stripsPower strips

Close blindsClose blinds

Use fansUse fans

Water heater - 120 degreesWater heater - 120 degrees

Thermostat up – when awayThermostat up – when away

Summer OutlookSummer Outlook

Tight power suppliesTight power supplies

State should be OKState should be OK

Conserve 3:00-7:00 p.m.Conserve 3:00-7:00 p.m.

Conserve every day at officeConserve every day at office

Conserve all day at homeConserve all day at home

Questions?Questions?