Alternative Energy VS Conventional Energy Team 7 Mark

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Alternative Energy VS. Conventional Energy Team 7 Mark Ponciano Aaron Poplar Maritza Robles

Alternative Energy VS. Conventional Energy Team 7 Mark Ponciano Aaron Poplar Maritza Robles

Business Details Ø Building Size: 4500 sq. ft. Ø Energy Consumption: 3600 k. Wh

Business Details Ø Building Size: 4500 sq. ft. Ø Energy Consumption: 3600 k. Wh per month Ø Solar to provide 80% of energy needs Ø Business Life: 30 years

Energy Options Use solely CONVENTIONAL ENERGY 1. • Southern California Edison Purchase SOLAR PANELS

Energy Options Use solely CONVENTIONAL ENERGY 1. • Southern California Edison Purchase SOLAR PANELS 2. • Loan Options • • • 10 -year Loan 20 -year Loan 30 -year Loan

Conventional Energy Pros Cons No Installation Cost Ø Minimal Weather Dependence Ø Ø Larger

Conventional Energy Pros Cons No Installation Cost Ø Minimal Weather Dependence Ø Ø Larger Monthly Payments Ø Not as Environmentally Friendly Ø Blackout Potential

Solar Energy Pros Cons Lower Monthly Payments Ø Environmentally Friendly Ø Ø Large Initial

Solar Energy Pros Cons Lower Monthly Payments Ø Environmentally Friendly Ø Ø Large Initial Cost Ø Increased Maintenance Ø Weather Dependency

Initial Plan Details Annual Energy Consumption: 43200 k. Wh Conventional Cost Per KWh: $0.

Initial Plan Details Annual Energy Consumption: 43200 k. Wh Conventional Cost Per KWh: $0. 17 Consumption Increase Per Year: 2% Conventional Energy Cost Increase: 3% MARR: 10%

Solar System Size 80% Energy from Solar: 34560 k. Wh 20% Energy from Conventional:

Solar System Size 80% Energy from Solar: 34560 k. Wh 20% Energy from Conventional: 8640 k. Wh Sun hours: 8 hrs/day Cushion: 10% Solar System Size: 13150 Watts/hr Installation Cost per Watt: $8. 00

Rebates California Solar Incentive: $2. 30 / Watt Government Rebate: 30% up to $2000

Rebates California Solar Incentive: $2. 30 / Watt Government Rebate: 30% up to $2000 Initial Solar Installation Costs: $118, 350 After Rebate: $86, 105 Loan Interest Rate: 7%

Cash Flows

Cash Flows

Initial Conditions Energy System EUAC Conventional $8, 871 Solar: 10 -year Loan $17, 962

Initial Conditions Energy System EUAC Conventional $8, 871 Solar: 10 -year Loan $17, 962 Solar: 20 -year Loan $17, 413 Solar: 30 -year Loan $17, 074

Loan Interest Rate Change in Loan Interest Rate $20, 000 $16, 000 Conventional Energy

Loan Interest Rate Change in Loan Interest Rate $20, 000 $16, 000 Conventional Energy $14, 000 Solar: 10 -yr Loan Solar: 20 -yr Loan $12, 000 Solar: 30 -yr Loan $10, 000 . 0 10 9. 0 8. 0 7. 0 6. 0 5. 0 4. 0 $8, 000 3. 0 EUAC $18, 000 Loan Interest Rate Regardless of Loan Interest Rate, Conventional Wins.

System Size Change in Size of Solar System $15, 000 $14, 000 EUAC $13,

System Size Change in Size of Solar System $15, 000 $14, 000 EUAC $13, 000 Conventional Energy $12, 000 Solar: 10 -yr Loan Solar: 20 -yr Loan $11, 000 Solar: 30 -yr Loan $10, 000 $9, 000 $8, 000 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 Size of Solar System (Watts)

Cost of Solar Panels Per Watt Change in Cost of Solar per Watt $29,

Cost of Solar Panels Per Watt Change in Cost of Solar per Watt $29, 000 $24, 000 $19, 000 Solar: 10 -yr Loan Solar: 20 -yr Loan $14, 000 Solar: 30 -yr Loan $9, 000 2. 00 $1 1. 00 $1 0. 0 $9 0. 0 $8 0. 0 $7 0. 0 $6 0. 0 $5 . 0 0 $4, 000 $4 EUAC Conventional Energy Cost of Solar per Watt Intercept at Solar Panel Cost: $5. 39

Usable Sunlight Change in Sun Hours $28, 000 $23, 000 Solar: 10 -yr Loan

Usable Sunlight Change in Sun Hours $28, 000 $23, 000 Solar: 10 -yr Loan $18, 000 Solar: 20 -yr Loan Solar: 30 -yr Loan $13, 000 . 0 11 . 5 10 . 0 10 9. 5 9. 0 8. 5 8. 0 7. 5 7. 0 6. 5 6. 0 5. 5 5. 0 4. 5 $8, 000 4. 0 EUAC Conventional Energy Sun Hours Average usable California Sun Hours: 5. 511 hours

Cost of Conventional Energy per k. Wh Change in Cost of Conventional Energy $21,

Cost of Conventional Energy per k. Wh Change in Cost of Conventional Energy $21, 000 $19, 000 Conventional Energy $15, 000 Solar: 10 -yr Loan $13, 000 Solar: 20 -yr Loan $11, 000 Solar: 30 -yr Loan $9, 000 $7, 000 4. 2 $0 2. 2 $0 0. 2 $0 8. 1 $0 6. 1 $0 4. 1 $0 2. 1 $0 . 1 0 $5, 000 $0 EUAC $17, 000 Cost of Conventional Energy

Percent Increase of Conventional Energy per k. Wh Change in Percent Increase of Conventional

Percent Increase of Conventional Energy per k. Wh Change in Percent Increase of Conventional Energy $28, 000 $26, 000 $24, 000 Conventional Energy $20, 000 Solar: 10 -yr Loan $18, 000 Solar: 20 -yr Loan $16, 000 Solar: 30 -yr Loan $14, 000 $12, 000 $10, 000 . 0 12 . 0 11 . 0 10 9. 0 8. 0 7. 0 6. 0 5. 0 4. 0 3. 0 2. 0 $8, 000 1. 0 EUAC $22, 000 Percent Increase of Conventional Energy Intercept at 10. 25% Increase

Change in MARR $27, 000 $22, 000 EUAC Conventional Solar: 10 -year Loan $17,

Change in MARR $27, 000 $22, 000 EUAC Conventional Solar: 10 -year Loan $17, 000 Solar: 20 -year Loan Solar: 30 -year Loan $12, 000 $7, 000 0 2 4 6 8 10 12 14 16 18 MARR (%) Intercept at 1. 3% MARR 20

Conclusion Select Conventional if… l l l Solar Panel Cost is Great than $5.

Conclusion Select Conventional if… l l l Solar Panel Cost is Great than $5. 39 Annual Cost of Conventional does not Increase more than 10. 25% MARR is greater than 1. 3%

Conclusion Select Solar if…. Solar Panel Cost Less than $5. 39 l • l

Conclusion Select Solar if…. Solar Panel Cost Less than $5. 39 l • l l May sacrifice Quality Annual Percent Increase of Conventional Energy is greater than 10. 25% Environmentally Conscious Regardless of Cost