3. Electricity Charges table Example Residential Inverted Block Rate Structure 10.1 kWh Tier 1:0-255 Tier 2:256331 /kWh 11.43 12.99 Tier 3:332510 Tier 4: > 510 kWh 21.94 17.81 10.2 table, An Example of Time of Use (TOU) Residential Rates SUMMER: May to October WINTER: November to April On peak 2-8 p.m. 29.44/kWh 7-10 a.m. 5-8 p.m. 11.5/kWh Off peak All other times 8.7/kWh All other times 9.0c/kWh 10.3 table Commercial Rate Schedule for a South Carolina Utility. 2005 General Service Medium Service 7500 kWh/mo Energy charge 6.56/kWh 2.60/kWh Demand charge $11.85/mo-kW Medium Service TOU Rate 2.32/kWh $13.20/mo-kW on peak $3.87/mo-kW off peak On peak is 1:00 p.m. to 10:00 p.m., May to October, and 6:00 a.m. to 10:00 a.m., November to April. (a) You have net metering in your state and want to install solar PV system. Which of the tariffs above should you select maximize your ROI? (b) You have a commercial building using greater than 7500 kWh per month (i.e. Medium Service). Let's say in one particular month that you use 11235 kWh and your bill comes to $947.56. What was your peak power that month? 3. Electricity Charges table Example Residential Inverted Block Rate Structure 10.1 kWh Tier 1:0-255 Tier 2:256331 /kWh 11.43 12.99 Tier 3:332510 Tier 4: > 510 kWh 21.94 17.81 10.2 table, An Example of Time of Use (TOU) Residential Rates SUMMER: May to October WINTER: November to April On peak 2-8 p.m. 29.44/kWh 7-10 a.m. 5-8 p.m. 11.5/kWh Off peak All other times 8.7/kWh All other times 9.0c/kWh 10.3 table Commercial Rate Schedule for a South Carolina Utility. 2005 General Service Medium Service 7500 kWh/mo Energy charge 6.56/kWh 2.60/kWh Demand charge $11.85/mo-kW Medium Service TOU Rate 2.32/kWh $13.20/mo-kW on peak $3.87/mo-kW off peak On peak is 1:00 p.m. to 10:00 p.m., May to October, and 6:00 a.m. to 10:00 a.m., November to April. (a) You have net metering in your state and want to install solar PV system. Which of the tariffs above should you select maximize your ROI? (b) You have a commercial building using greater than 7500 kWh per month (i.e. Medium Service). Let's say in one particular month that you use 11235 kWh and your bill comes to $947.56. What was your peak power that month