Number of panels | Estimated panel cost after Federal credit | Annual solar energy produced (kWh) | Annual energy consumed (kWh) | Annual SCE energy purchased (kWh) | Annual SCE effective cost | Annual SCE cost without panels | Annual SCE costs avoided | Usage Offset Percentage | Present value of avoided SCE costs less cost of solar panels. Discount rate = | ||
3% | 6.0% | 9.0% | |||||||||
14 | $9,082.50 | 5,421.38 | 9,030.49 | 3,609 | $685.84 | $1,895.86 | $1,210.02 | 60.03% | $11,987.76 | $6,385.62 | $2,803.02 |
15 | $9,718.28 | 5,808.62 | 9,030.49 | 3,222 | $610.42 | $1,895.86 | $1,285.44 | 64.32% | $12,665.28 | $6,713.96 | $2,908.06 |
16 | $10,341.33 | 6,195.86 | 9,030.49 | 2,835 | $533.48 | $1,895.86 | $1,362.38 | 68.61% | $13,381.99 | $7,074.45 | $3,040.75 |
17 | $10,951.93 | 6,583.10 | 9,030.49 | 2,446 | $454.10 | $1,895.86 | $1,441.76 | 72.90% | $14,153.65 | $7,478.60 | $3,209.87 |
18 | $11,550.32 | 6,970.35 | 9,030.49 | 2,059 | $374.34 | $1,895.86 | $1,521.52 | 77.19% | $14,944.13 | $7,899.81 | $3,394.93 |
19 | $12,136.74 | 7,357.59 | 9,030.49 | 1,674 | $294.84 | $1,895.86 | $1,601.02 | 81.47% | $15,742.06 | $8,329.67 | $3,589.41 |
20 | $12,711.43 | 7,744.83 | 9,030.49 | 1,285 | $219.30 | $1,895.86 | $1,676.56 | 85.76% | $16,482.76 | $8,720.64 | $3,756.72 |
21 | $13,274.62 | 8,132.07 | 9,030.49 | 896 | $147.75 | $1,895.86 | $1,748.11 | 90.05% | $17,165.47 | $9,072.09 | $3,896.33 |
22 | $13,826.56 | 8,519.31 | 9,030.49 | 510 | $78.78 | $1,895.86 | $1,817.08 | 94.34% | $17,814.53 | $9,401.82 | $4,021.86 |
23 | $14,367.45 | 8,906.55 | 9,030.49 | 125 | $10.61 | $1,895.86 | $1,885.25 | 98.63% | $18,460.69 | $9,732.37 | $4,150.57 |
24 | $14,897.53 | 9,293.79 | 9,030.49 | −261 | −$13.01 | $1,895.86 | $1,908.87 | 102.92% | $18,341.91 | $9,504.24 | $3,852.50 |
25 | $15,417.00 | 9,681.04 | 9,030.49 | −652 | −$31.89 | $1,895.86 | $1,927.75 | 107.20% | $18,151.19 | $9,226.11 | $3,518.48 |
26 | $15,926.09 | 10,068.28 | 9,030.49 | −1037 | −$47.30 | $1,895.86 | $1,943.16 | 111.49% | $17,910.45 | $8,914.02 | $3,160.76 |
27 | $16,424.99 | 10,455.52 | 9,030.49 | −1,425 | −$61.73 | $1,895.86 | $1,957.59 | 115.78% | $17,662.81 | $8,599.58 | $2,803.59 |