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How to Calculate Your Electricity Bill

How to Calculate Your Electricity Bill. ELECTRICITY DELIVERY RATE CARD Winter 2008-09. How to Calculate Your Electricity Bill. 2008 SAMPLE MONTHLY WINTER RESIDENTIAL BILL CALCULATION FOR 1,000 kWh CONSUMPTION. SAMPLE ELECTRICITY BILL Consumption 1,000 kWh

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How to Calculate Your Electricity Bill

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  1. How to CalculateYour Electricity Bill ELECTRICITY DELIVERY RATE CARD Winter 2008-09

  2. How to CalculateYour Electricity Bill 2008 SAMPLE MONTHLY WINTER RESIDENTIAL BILL CALCULATION FOR 1,000 kWh CONSUMPTION SAMPLE ELECTRICITY BILL Consumption 1,000 kWh Loss Factor @ 3.90% 39 kWh The total amount of electricity lost when transmitted over powerlines is multiplied by an adjustment factor. Winter Rates: <1000 kWh = $0.056/kWh Winter Rates: >1000 kWh = $0.065/kWh

  3. How to CalculateYour Electricity Bill Where the money goes

  4. How to CalculateYour Electricity Bill IESO/Power Generators ELECTRICITY CHARGES: 1000 kWh @ $0.056/kWh $56.00 39 kWh @ $0.065/kWh $2.54 Total Electricity Consumed $58.54

  5. How to CalculateYour Electricity Bill EnWin Utilities Ltd. DELIVERY CHARGES: Fixed Customer Charge: $8.66 Cost involved to deliver electricity from ENWIN to your home or business; administrative costs, meter reading, billing, customer service & maintenance of accounts.

  6. How to CalculateYour Electricity Bill EnWin Utilities Ltd. DELIVERY CHARGES: Variable Distribution Rate: $21.10 Cost involved to deliver electricity from ENWIN to your home or business. It includes the cost to design, build and maintain overhead and underground distribution lines, poles, stations and local transformers, and operate local systems. The distribution charge varies with the amount of electricity used = 1,000 kWh x $0.0211

  7. How to CalculateYour Electricity Bill EnWin Utilities Ltd. REGULATORY CHARGES: Standard Service Supply Charge: $0.25 Costs incurred by ENWIN to provide electricity to Standard Supply Service customers, primarily Regulated Price Plan customers, who purchase electricity from a utility instead of from a licensed electricity retailer. Customers with a retailer will receive an alternative charge.

  8. How to CalculateYour Electricity Bill Hydro One DELIVERY CHARGES: Retail Transmission Charge-Network $5.30 The Cost to deliver electricity from generating stations to ENWIN along the high-voltage transmission system (transmission grid) owned by Hydro One Networks Inc. = 1,039 kWh x $0.0051

  9. How to CalculateYour Electricity Bill Hydro One DELIVERY CHARGES: Retail Transmission Charge - Connection $4.05 The Cost ENWIN incurs to connect to Hydro One’s transmission lines, as well as the cost to transfer electricity from the high-voltages used in the bulk transmission system to the lower voltages used by ENWIN = 1,039 kWh x $0.0039

  10. How to CalculateYour Electricity Bill Provincial Government Debt Retirement Charge: $7.00 (set by the Ontario Ministry of Finance to pay down the residual stranded debt of the former Ontario Hydro) = 1,000 kWh x $0.007

  11. How to CalculateYour Electricity Bill Provincial Government REGULATORY CHARGES: Wholesale Market Service Charge: $5.40 Covers the cost of services provided by the Independent Electricity System Operator (IESO). The IESO operates Ontario’s competitive electricity market, where electricity is bought and sold. = 1,039 kWh x $0.0052

  12. How to CalculateYour Electricity Bill Provincial Government REGULATORY CHARGES: Rural Rate Protection Charge: $1.04 All customers pay to offset the higher cost to distribute electricity to consumers in rural and remote areas of Ontario. = 1,039 kWh x $0.0010

  13. How to CalculateYour Electricity Bill Federal Government GST: $5.57

  14. How to CalculateYour Electricity Bill

  15. How to CalculateYour Electricity Bill YOUR ELECTRICITY BILL: WHERE YOUR MONEY GOES ENWIN Utilities $30.01 RPP Distribution Rate Charge Operating Expenses - $13.89 Capital Investment - $9.30 Interest - $3.10 Taxes - $1.86 Return/Re-Investment - $1.86

  16. How to CalculateYour Electricity Bill YOUR ELECTRICITY BILL: WHERE YOUR MONEY GOES Operating Expenses - $13.89 • OPERATIONS • Maintain hydro lines • Trim trees to avoid limb impact to hydro lines • Monitor the distribution system and organize crews during emergency outages/storms • Maintain/upgrade company sites (offices, garage, inventory yard, transformer sites) • Calibrating, repairing & replacing hydro meters • Move/replace hydro poles • Design conversion & new projects within our system • Service & maintain fleet vehicles • Purchase poles, wires, equipment, supplies, employee protective outerwear, helmets, gloves, boots material & services • Maintaining sub-stations & transformer stations

  17. How to CalculateYour Electricity Bill YOUR ELECTRICITY BILL: WHERE YOUR MONEY GOES Operating Expenses - $13.89 • PERSONNEL • Hire employees • Co-ordinate & conduct employee education programs (safety training, software applications, seminars, post-secondary programs) • Pay employee salaries & benefits • Oversee & maintain the company’s relationship with employees & their unions • CUSTOMER SERVICE • Answer customer & related business calls • Validate meter reads for accuracy • Update technology to meet mandated regulatory changes to bills • Read your hydro meter • Calculate, print & mail your bill

  18. How to CalculateYour Electricity Bill YOUR ELECTRICITY BILL: WHERE YOUR MONEY GOES Operating Expenses - $13.89 • COMMUNICATIONS/INFORMATION MANAGEMENT • Maintain IT Systems • Design, update & maintain our website • Energy Conservation Programs • Internal/external/media/shareholder audiences • FINANCE • Preparing for and presenting before regulatory bodies • Loans, debentures, financing & interest costs • Accounts Receivable/Accounts Payable Processing • Prepare financial reports/statements

  19. How to CalculateYour Electricity Bill YOUR ELECTRICITY BILL: WHERE YOUR MONEY GOES Capital Investment - $9.30 • 5 Bulk Transformer Stations • 13 X 27.6 / 4.16 kV substation • 98 Feeders • 8,034 Distribution Transformers • 30 Station Transformers • 451 Miles of Overhead Lines • 243 Miles of Underground Cables • 142 Fleet Vehicles • Ouellette Avenue Building • Rhodes Drive Operating Centre • Office Equipment • Computer Systems (to track & ensure accurate billing of 84,757 customers).

  20. How to CalculateYour Electricity Bill YOUR ELECTRICITY BILL: WHERE YOUR MONEY GOES Interest - $3.10 • Interest paid on loans taken for capital investments in prior years • As of December 31/07 Total Debt = $69,953,000, down by $44,792,000 since December 31/03

  21. How to CalculateYour Electricity Bill Return/Re-Investment - $1.86 • Return/Re-investment – increase shareholder value in company. YOUR ELECTRICITY BILL: WHERE YOUR MONEY GOES Taxes - $1.86 • Remitted to provincial government in lieu of payment of federal income tax. TOTAL - $30.01

  22. ENWIN: DTE (Detroit-Edison Energy): • 40 outages were sustained over this 3-day storm period • 26 involved multiple customers • The average outage lasted 30 minutes • The longest outage lasted for 11 hours • More than 500,000 customers were without power • Crews from utilities in Michigan, Ohio, Indiana, and Illinois • assisted in the restoration efforts • The longest outage lasted for 10 days SYSTEM RELIABILITY Storms of June 6, 8, & 9, 2008 – ENWIN vs. DTE (Detroit-Edison Energy) On June 6, 8, & 9, 2008, three separate storm cells battered the Windsor/Detroit Region. Lightning, rain, and severe winds knocked down trees and put branches into overhead distribution systems.

  23. Did You Know: Windsor experiences more electrical storms than any other area in Canada. SYSTEM RELIABILITY Our Customers: Need electrical service without frequent or sustained interruptions. Our Mission: To provide safe & reliable hydro at just and reasonable rates.

  24. What Negatively Affects System Reliability? • Lightning & Storms • Age of Infrastructure • Type of Infrastructure • Tree Coverage – Age of Neighbourhoods • Length of Feeders • Geographic Area – Customer Density What Can Be Done to Maintain and Improve Reliability? • Capital Investment • Maintenance • Design & Operations SYSTEM RELIABILITY What Causes Power Interruptions? • Storms & Tree Contacts (33%) • Electrical Equipment Failure (33%) • Planned/Unplanned Switching (14%) • Vehicle Accidents (7%) • Animal Contacts (2%) • Unknown/Other (11%)

  25. Maintenance • Tree Trimming (ENWIN trims 1/3 City/yr. vs. DTE over 2 years) • Pole Inspection Program • Pole Preservative Program • Infrared Inspection Program • Underground Vault Inspection ENWIN’SPLAN Capital Investment/Replacements • ENWIN spends $4-5 Million/year to replace its old system that was installed in the 1940's-50's. This project will be completed by 2013. • Capital Investments/Replacements include: • • Porcelain Insulator Replacements • • Lightning Arrestor Replacements • • Fused Tap Installations • • Smart Meters • • Mid-Feeder Re-closers • • Tie-Point Re-closers

  26. Operations • SCADA Improvements (monitors & controls distribution system) • Fault Indicators • Transformer Load Monitoring • Fused Taps & Re-closers • Protection System Settings • System Modeling ENWIN’SPLAN ENWIN remains committed to ensuring the reliability of its distribution system through continuous reinvestment into its infrastructure and equipment.

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