1. C LIMATE C ORPS B AY A REA 2012 T RAINING Day 3

2. C LIMATE C ORPS B AY A REA 2012 T RAINING Questions from yesterday Logistics for today

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4. Kif Scheuer

5. C LIMATE C ORPS B AY A REA 2012 T RAINING The capacity to do work comes in many forms To do work energy converts from one form to another 5

6. C LIMATE C ORPS B AY A REA 2012 T RAINING Kif climbs a ladder in 10 seconds. Kif’s rate of work = 60kg * 1.5m * 10m/s^2 / 10s = 90 Watts 1.5 m ladder 60 kg mass ~10 m/s^2 gravitational acceleration Three 30-watt light bulbs

7. C LIMATE C ORPS B AY A REA 2012 T RAINING Watts (W) and kilowatts (kW) measure power, or the rate at which work is performed. Watt-hours (Wh) and kilowatt-hours (kWh) measure energy, or the quantity of electricity used. Demand is measured in watts, Consumption is measured in watt hours.

8. C LIMATE C ORPS B AY A REA 2012 T RAINING Watts Time Energy: ~12 kWh Power: 2.1 kW

9. C LIMATE C ORPS B AY A REA 2012 T RAINING 1 Ampere – A charge carrying 6.2 x 10^18 electrons per second. 1 Volt – The difference in electric potential across a wire when a current of one ampere dissipates one watt of power. Watts = Volts x Amps

10. C LIMATE C ORPS B AY A REA 2012 T RAINING V (voltage) = I (current) X R (resistance)

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12. Links power plants to load centers Links transmission lines together Power is ‘pooled’ in the transmission system, and each distribution system draws from the pool ‘System’ has diversity of sources 150 computerized control centers to dispatch generators as needed An electron is an electron!

13. C LIMATE C ORPS B AY A REA 2012 T RAINING Power Plants Old Coal 35% New Coal 60% Wind 45% Solar PV 15% T&D 6-8% loss $20 billion/yr

14. C LIMATE C ORPS B AY A REA 2012 T RAINING Base-load Power plants – run all the time (nuclear) Peaking power plants – run to meet peak loads (old coal or oil fired) Intermediate power plants – meet constantly changing loads (Nat gas)

15. C LIMATE C ORPS B AY A REA 2012 T RAINING Renewable vs. Non-renewable power Climate Neutral power

16. C LIMATE C ORPS B AY A REA 2012 T RAINING Source: U.S. EIA, Monthly Energy Review (March 2012)

17. C LIMATE C ORPS B AY A REA 2012 T RAINING Source: U.S. EIA, Annual Energy Review 2010

18. C LIMATE C ORPS B AY A REA 2012 T RAINING Source: U.S. EIA, Annual Energy Review 2010

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20. Electricity Baseline Usage: $0.11 per kWh Tier 1: 30% above Baseline, $0.13 per kWh Tier 2: 70% above Baseline, $0.23 per kWh Tier 3: 100% above Baseline, $0.31 per kWh Tier 4: 300%+ above Baseline, $0.36 per kWh

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22. C LIMATE C ORPS B AY A REA 2012 T RAINING Appliance Watts (W) Average Hours Used Per Month Energy Used per Month (kWh) Average Cost per Month ($)* CO2 Emissions per Month (Lbs)** Refrigerator/Freezer (Energy Star)800117941247 Refrigerator/Freezer (Pre 1992)6002151291765 Flat Screen TV120 1427 DVD Player2245100 Microwave1,00015 28 Clothes Dryer - Electric4,60020921246 *$0.13 per kWh **0.5 lbs CO2 per kWh

23. C LIMATE C ORPS B AY A REA 2012 T RAINING Impacts from historical Investment in Energy Efficiency in California versus US as a whole

24. C LIMATE C ORPS B AY A REA 2012 T RAINING Robert Marciel PG&E Pacific Energy Center Christine Prestella Pacific Gas & Electric Government and Community Partnerships

25. C LIMATE C ORPS B AY A REA 2012 T RAINING 1 Hour

26. C LIMATE C ORPS B AY A REA 2012 T RAINING Basic Energy Audits Benchmarking Tools Solar Basics

27. C LIMATE C ORPS B AY A REA 2012 T RAINING Transit Meeting location

28. C LIMATE C ORPS B AY A REA 2012 T RAINING 55 Music Concourse Drive San Francisco, CA 94118 We are driving a 15 person van and 1 minivan (holds 6). If you want to leave from the Academy you can. If you don’t travel with us meet up at the back of the building at 330.

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