Establishing Electricity and Gas Rates


Frequently Asked Questions concerning the Rate Handbook

Board staff attempts to provide as complete answer as possible to the questions, however rate applications are subject to Board review and final disposition of any matter is subject to the Board’s decisions based on the evidence provided by the applicant. Questions and Answers are provided under the following subject areas:

Impact of the Directive
Filing Guidelines
Rate Mitigation
RUD Model
Application of Rates

Impact of the Directive

What are the basic changes to the Rate Handbook and distribution rate setting process that occurred due to the RP-2000-0069 Decision?

The Board’s RP-2000-0069 Decision determined that LDCs will still be able to earn market based returns but will have to phase-in their incremental revenue requirements evenly over three years to lessen the impact on consumers. Utilities will not be able to recover any shortfalls in earnings relating to the phasing-in of market based returns. However, utilities will be allowed to retain additional earnings from productivity improvements during the first 3 years of the initial PBR term.

Utilities with special circumstances leading to financial distress may seek a skewed phase-in of market returns. Having provided for a skewed phase-in for special financial circumstances, the Board did not also allow recovery of the re-engineering costs (e.g. transition costs) with the setting of initial rates. As soon as practical following market opening, the Board will initiate a review of the appropriate timing and mechanism toward the recovery of re-engineering costs.

All electricity distribution utilities must file or refile their rate applications for unbundled rates no later than November 30, 2000. Further details can be found in the RP-2000-0069 Decision.

How has the RP-2000-0069 Decision affected the timing/schedule of the original PBR scheme?

As all LDCs are now required to file or refile by November 30, 2000 the PBR schedule will be amended in the following manner:

The first year of the PBR plan will run from the approval of unbundled rates until February 28, 2002. The second year will run from March 1, 2002 to February 28, 2003 and the third year will commence on March 1, 2003 and run until February 28, 2004. More detail can be found in the Revised Rate Handbook, Chapter 12.

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Filing Guidelines

If a utility does not wish to apply for the maximum ROE or chooses to remain at existing return level, do they have to go to the OEB to get their rates approved?

All electric utilities must file rate applications to the Board to have their unbundled rates approved and to initiate their PBR plan. Only those utilities provided an exemption to section 26(1) and/or section 78 of the Ontario Energy Board Act are not required to have unbundled rates approved by the OEB.

After an utility or local distribution company (LDC) has submitted an application to the Ontario Energy Board for Unbundled Rates using the revised Rate Handbook and RUD Model, what happens?

Once the Board receives the LDC’s Application, the Application it will be assigned a Board file or docket number. The Application should include the LDC’s evidence, background material (RUD Model Spreadsheets) and the completed draft Notice. The draft notice found Appendix B of the Handbook should be completed indicating the average rate impacts for the residential and general service rate classes. A template of the Notice can be downloaded from the Board’s website and customized by the specific LDC (the Board is currently reviewing the format of the draft notice, the most current version will be on the Web site).

A Board staff member is assigned to the application and would check to see that the application is complete, basically going through the checklist found in the Handbook at Appendix F and reviewing the draft Notice of Application and Notice of Written Hearing (for publication) that is to be submitted with the application.

In particular, the Notice information regarding the rate impact on a representative residential customer would be reviewed for accuracy and applicability. The LDC should indicate the origin of the rate impact percentage change in the draft Notice with a reference to the appropriate RUD spreadsheet. If there are questions or concerns, the assigned Board staff member will contact the LDC contact person.

After review of the draft Notice, the Board Secretary will issue a "Letter of Direction" and a final Notice. The LDC will be required to publish the Board issued Notice in the local newspaper with the widest circulation. For LDCs located in designated French language areas, a French language version of this Notice must also be published in one issue of a local French language paper. If the LDC serves a French language designated area, the LDC will be notified and a French translated Notice will be provided. The LDC will be required to provide the Board with the date of publication. Further details are provided in the Board’s "Letter of Direction" to the LDC.

After filing an Application, the LDC is required to have copies of the complete Application available for convenient public perusal at the LDC’s head office. The LDC will also be required to provide a copy of its submissions to any intervenor upon request.

Persons or groups who desire to intervene or comment on the application have 14 days from the date of publication to register their intent to intervene or comment. Depending on the level of response, the Board will determine whether the application will face no hearing (only the applicant’s evidence will be considered by the Board), a written hearing (only written submissions from the applicant and intervenors will be considered by the Board) or an oral hearing where oral submissions will be heard by the Board from all parties.

After the evidence is considered, the Board will issue a Decision with Reasons and, if approval is granted, a new rate schedule for the LDC. In total, the Notice and hearing process could span anywhere from 8 to 12 weeks depending on the number of interventions, the time frame for publication of the Notice, complexity of the Application, and/or whether an oral hearing is held.

What is the procedure for those larger LDCs that have already filed an application with the Board prior to the issuance of the Directive?

The larger LDCs that filed earlier due to the previous filing deadline should submit amended applications reflecting the RP-2000-0069 Decision. In general, or unless other key aspects of the application have changed, it is not expected that a new Notice will have to be published. However, the LDC must provide a copy of the new application to any parties that were granted intervenor or observer status and to those that had previously requested to comment on the application. A Procedural Order will be issued to allow these parties the opportunity to provide submissions on the amended application.

When can LDCs expect first year rates to be approved?

LDCs should indicate in their applications, the date for which they are requesting unbundled rates to be in place. A utility should also indicate how many days prior to the implementation date are required to program systems and complete other work necessary to put the new rates into effect.

The Board will make every effort to approve rates as quickly and efficiently as possible, however, with over 200 applications expected by November 30, applicants cannot be guaranteed that they will be provided with approval by the date requested.

) In light of the RP-2000-0069 Decision, what is the status of Standard Supply Service (SSS) applications? When are these filings expected?

The previous SSS deadline is no longer valid. The SSS application process is separate from the rate unbundling application process and SSS rates are not required until market opening. The Board will provide further direction to LDCs on the timing of SSS filings. There is nothing in the RP-2000-0069 Decision that affects SSS.

How does an LDC which is subject to a merger, acquisition, amalgamation or divestiture (MAADs) file its rates?

Unbundled rates must be in place prior to market opening. While no market opening date has been announced, the Board has indicated that all unbundled rates should be in place by the spring of 2001. In order to achieve this objective, the Board requires all LDCs to file on or before November 30, 2000.

However, if an LDC is part of a merger or acquisition proposal that was filed with the Board on or before November 7, the utility may contact the Board’s Rate Section for filing directions. If it is determined that a MAADs application cannot be considered in time for rates to be filed as a single entity, the utilities subject to the transaction will be required to file separate applications.

While LDCs who have not received Board approval for their MAADs transaction must file separate applications the LDCs may wish to work together with an aim of developing a single set of rates that might be merged subsequent to transaction being approved. If the proposal is approved, the application could be amended with a rate harmonization plan for the new, larger service territory.

If a merger/acquisition has taken place, should separate RUD Models be submitted for the former separate service areas?

Yes, a separate RUD Model is required for each of the service areas/municipal utilities in place in 1999. As the RUD Model uses 1999 data for unbundling rates, this is a necessary step. Determination of unbundled rates of the previous service territory allows the Board to examine the impacts of the unbundling proposal on all rate classes. Once this is determined, the new merged entity may chose to file a harmonized rate filing to request approval of the harmonized rates in the new service territory. In this step the LDC should show the progression of rate changes/impacts from initial unbundled rates calculated prior to harmonization in each territory and the final harmonized unbundled rates for the combined service territory.

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Rate Mitigation

How does an LDC adjust its application to comply with the one third phase-in? And, as the date of Market Opening is still uncertain, how should LDCs treat the PILs issue in their applications?

The municipally owned LDC should determine its incremental revenue requirement exclusive of PILS to meet its chosen rate of return. Once this is determined, one third of this amount should be used to generate rates for the first year. The RUD Model can be adjusted to do this on the MARR (no tax) calculation (sheet #7) by entering 2/3 of the additional required amount in the "deferred amount" line. This will leave the 1/3 amount to be allocated and the rest of the calculations will proceed automatically. Alternatively, you can divide the formula in the "change in revenue to be allocated" line by 3 (leave the "deferred amount" line blank or enter zero) and achieve the same result. While only the first year rates will be reviewed for approval, the LDC must provide all relevant information regarding its mitigation plan. For example, while it is not necessary to provide rate schedules for all three years the utility should ensure that each year’s revenue requirement is identified. The Board will compare this information to that filed by the applicant when implementing rates for the subsequent 2 years.

All applications from municipally-owned utilities should only deal with non PILs rates. The effects of taxes should not be included. There are two reasons for this: 1) the date for market opening is uncertain so there is no knowledge at this time of when PILs adjusted rates would apply, and 2) the rate to be used to determine PILS is set according to corporate tax rates in force at the time of market opening. As stated in the Revised Rate Handbook, the Board will issue instructions prior to market opening to adjust rates for PILs so that appropriate rates are in place when required.

Utilities who are not municipally-owned and who are responsible for paying PILS or corporate taxes before market opening, should include the PILS or corporate tax amount in their incremental revenue requirement. The tax rate should be equivalent to the current applicable corporate tax, exclusive of capital tax and large corporations tax. The utilities must indicate in their application what the appropriate tax rate is. This rate will be subject to approval by the Board.

How will the future mitigated rates be implemented?

The Board will provide further direction for implementing the additional two-thirds of the revenue requirement into rates in the 2nd and 3rd years after first year rates are set. In addition, as the Board stated in the RP-2000-0069 Decision, the issue of treatment of re-engineering (transition) costs will be reviewed after market opening and a mechanism of approving and bringing these costs into rates will be devised.

The RP-2000-0069 Decision allows utilities with special circumstances leading to financial distress to seek a skewed phase-in of market returns. How does this work?

In its application for a skewed phase-in of market returns, the LDC must demonstrate that it will suffer financial distress, defined in the Decision as, "the inability to meet financial obligations incurred prudently" if the standard one third phase-in is used. If approved by the Board, the LDC would then be able to phase-in market returns at a higher percentage in the first year, thereby raising revenues and increasing income.

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RUD Model

If an LDC owns assets that have been designated as transmission assets (ie, over 50kv) how should these assets be treated in the rate base for determining unbundled rates?

As indicated in Appendix D, Page 13 of the Rate Handbook, these assets should be included in the net fixed asset calculation and included in Table A3 under "Other amounts not listed above" as applicable. The methodology and reasons should be clearly documented and made available for the Board’s review when the application is filed.

How is the Diversity Credit for Large Users of an MEU treated in the RUD Model?

The Diversity Credit is applicable to Large User rates set before market opening but not for rates to be applied after market opening as the credit will cease to exist at that time. After market opening, a large use customer has the option of buying from the competitive market. In the competitive market place, commodity prices may be equal or less than previous prices that included the diversity credit. The diversity credit appears as a separate line item under Miscellaneous items.

When using the RUD Model and testing for the impact of the rate structure change, is the 10% impact guideline to be used for each class? And, if the impact is over 10% for a certain rate class, can the service charge be reduced to zero to mitigate the rate impact? If the impact is less than 10% in the initial analysis, can an LDC still adjust the service charge?

The test for the rate impact of the rate structure change is to be used for each rate class and each class should have its rate impact evaluated separately. When adjusting the rate structure proportions to mitigate rate shock, the service charge should never be reduced to zero as the Board Decision (RP-1999-0034) indicates that the rate structure is mandated to include a service charge and a volumetric rate. If the impact on the initial analysis passes the guideline test (ie, is about 10% or less), the LDC may still adjust the rate structure components, as long as the Incremental Distribution Rate (IDC) is at least 0.0062 cents/kWh. However, some utilities may need to go below 0.0062 cents/kWh to achieve a viable two part rate structure. If this is the case, it should be highlighted in the Manager’s Summary as a deviation from the norm. For more information, see the question below regarding Sensativity Analysis.

How are distribution rates for General Service TOU customers determined if the LDC’s TOU rate design does not fit the RUD Model methodology?

Ideally, when determining rates for General Service TOU customers, an LDC would remove the Cost of Power for the TOU customers, leaving the distribution rates that are the same for the TOU and non-TOU General Service customers.

In some rate designs it may be that there is a cost-basis for a difference in the TOU and non-TOU GS Rates other than that accounted for by the incremental cost for the time of use metering. In this case, the LDC should remove the COP from the TOU revenue requirement, take the TOU distribution Revenue Requirement, add it to the non-TOU distribution Revenue Requirement, and then divide by total GS (>50 kW) number of customers (i.e. both non-TOU and TOU customers). Remember to remove the Revenue Requirement for the incremental TOU metering cost and add this as a line item for the TOU customers. Then the LDC can continue developing distribution rates using the RUD spreadsheet. Any adjustment of this type should be highlighted as a change to the standard unbundling model as part of the Manager's summary.

) If an LDC has acquired service territory from Hydro One-Distribution over the past year, how should the LDC incorporate the former Ontario Hydro rate classes associated with this annexed territory into the RUD Model?

The LDC should prorate their 1999 results to account for the additional service territory/customers that were acquired in that year.

The existing RUD Model does not take this situation into account so additional class categories have to be added to the spreadsheet and several new cell linkages need to be created. Board staff have created a modified spreadsheet which takes into account residential urban, residential year round suburban and residential seasonal suburban rates, and a general service category. Rather than doing the modifications themselves, LDCs are welcome to request this version by contacting Board staff.

How are the Sensitivity Analysis sheets in the RUD Model used?

The "Sensitivity Analysis 1" sheet is designed to assist LDCs in adjusting the restructured (unbundled) rates to mitigate the rate impact of the new rate structure if it exceeds 10% for low-end customers within each class. The RUD Model requires the LDC to input a proportion for variable and service charge revenue. The LDC must enter the proportions that pertain to the specific utility, not necessarily the 40 - 60 split that is currently entered on the sheet (those values are for illustrative purposes only).

Utility proportions can be obtained by looking at any of the classes (other than residential) on the "Revenue Reqts and Distr. Charges" sheet under the section "to calculate variable and service charge revenue". A table showing distribution revenue, variable revenue and service charge revenue for the residential class (eg. Line 118) appears. On the next line (line 119) revenue share numbers are shown. These are the numbers that should be entered on the "Sensitivity Analysis 1" sheet on the chosen revenue shares line for each class.

These numbers are the starting point for the analysis. The sheet compares the total bill under restructuring with the total bill under existing rates and provides the impact for a number of consumption levels within each class. Consumption levels can be adjusted to fit specific utility profiles.

The variable revenue proportion can be moved upwards (the service charge proportion automatically decreases) as much as necessary to reduce the impact on low consumption customers. However, the variable revenue portion cannot go below the starting level. The final level chosen for the variable revenue and service charge proportions must be the same for all consumption levels within a class, but can differ across classes.

Changes to the "Sensitivity Analysis 2" and "Sensitivity Analysis 3" sheets are not required unless consumption levels were changed on the "Sensitivity Analysis 1" sheet. In this case, the same consumption level changes should be made to the latter sheets.

How does an LDC deal with unbilled revenue?

The retail energy numbers required by the RUD Model should include a full 12 months data. If, for example, energy consumed in December of 1999 that wasn’t billed until January 2000 should be included in 1999 sales data if December 1998 sales that were billed in January 1999 were included in 1998. To include unbilled amounts, the amount that belongs in each rate class block should be estimated and added to the respective amounts for regularly billed sales.

The methodology for the estimation and the estimated amount of unbilled revenues should be highlighted in the Manager’s Summary.

An LDC bills its customers on the basis of the greater of 90% kVa or peak kW used. Billed demand may therefore overstate the actual total wholesale kW that the utility is charged for and lead to an overestimate of the cost of power for the affected classes (namely large users, intermediate users and large general service TOU customers). How should we account for this in the RUD Model?

If the LDC knows the class peak kW for the relevant classes, it should use this quantity instead of the billed demand amount in the RUD Model for calculating cost of power. Enter the class peak kW demand on the DATA sheet in the cost of power calculation section for the affected classes (ie. the section where you enter class coincident factors) by overwriting the kW numbers which automatically appear for these classes on the DATA sheet. The RUD Model will then use these numbers to calculate the cost of power and the rest of the model calculations will proceed automatically with no further changes necessary. The LDC should clearly state that this adjustment has been made in Manager’s Summary so Board Staff are aware of this power factor adjustment when the application is reviewed.

If you do not know the class peak kW, continue to use the billed amounts as this will provide the best readily available estimate of demand for determining cost of power given data limitations and short filing time frames. No changes to the RUD Model are required in this case.

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Application of Rates

All LDC unbundled rate applications will only apply to pre-market opening rates, what commodity rates should be used for charging customers before the market opens?

The commodity rates that are generated by the RUD Model should be used until the market opens when market determined commodity rates apply. The COP rate should be clearly identified by the LDC for approval on the new rate schedule.

The RP-2000-0069 Decision indicated that the provisions in the Distribution System Code that determine whether capital contributions should be collected, and the methodology and assumptions for an economic evaluation (DSC, Section 3: Connections and Expansions) are in force upon the issuance of the Decision (September 29, 2000). What rates should an LDC use as an input to the economic evaluation?

As approved unbundled rates are not available until the Board considers LDC rate applications, distributors should use the unbundled rates for which they are seeking approval in their November 30 rate applications.

Could you clarify the General Service Class over/under 50kW issue in light of the RP-2000-0069 Decision?

Section 3.5.7 of the RP-2000-0069 Decision will have no impact for the RUD Model and the rate unbundling and the establishment of initial rates for the general service class. In 1999, any customer with a measured demand of 50 kW is in the >50 kW sub-class for the purpose of determining the unbundled rate.

The RP-2000-0069 Decision provides the utilities with a method of mitigating potential rate shock (subsequent to the introduction of initial rates) in applying the <50 kW rates to general service customers. For customers who have demands of greater than 50 kW, but less than 100 kW the utility may continue to maintain these customers in the <50 kW sub-class. The LDC should include an explanation of its rate mitigation policy regarding the <50 kW and >50 kW sub-classes in its rate application.

How are LV transmission rates going to be set for embedded LDCs. Will this be a regulated rate?

The Board is still considering the issue of how to deal with LV rates for embedded LDCs within the territory of a host LDC. These will be regulated rates. Hydro One has applied for LV rates in their distribution rate application but consideration of these rates have been delayed by the Directive and Generic Hearing. The Board is aware that a number of other utilities also have the host distributor function and will also have to apply for LV transmission rates.

At this stage, it would be prudent for those LDCs who are hosts to other LDCs and those LDCs that are embedded and directly affected by Hydro One’s LV rates to review the methodology in the Hydro One application.

How should an LDC treat flat rate connection situations such as phone booths, traffic lights and cable company amplifiers? Are these type of services to be metered?

These are installations where the load is constant and known and has in the past been billed using a flat rate. Such small scattered load is classified under the general service class in the Standard Application of Rates. Therefore, in terms of unbundled rates, the GS distribution rates and GS pre-market Cost of Power rates should apply to the estimated load and consumption.

If the cost of power cannot otherwise be determined, LDCs can use the cost of power kWh rate and distribution kWh rate already derived for the general service <50 kW group in the RUD Model. To get the cost of power component, multiply the cost of power rate by the kWh and subtract this from the 1999 revenue requirement for small scattered load. The difference will be the distribution revenue which can be allocated to variable revenue (ie, distribution kWh rate x the kWh) and service charge revenue according to the RUD Model methodology.

Many utilities already have a method of dealing with scattered load, i.e. the determination of load and consumption in the absence of metering. Since the load and consumption associated with these installations is fairly constant, utilities should continue to use the load and consumption assumptions if the customer remains on SSS.

However, if the customer purchases from a retailer after the market opens, the energy will be provided at the retailer’s price while the distribution utility will continue to apply the unbundled GS distribution rates. If the retailer insists on a meter, in a situation where the utility would not require it, the utility may seek to have the cost of the meter born by the customer, if that is a condition of supply of the customer's chosen supplier.

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