EXECUTIVE SUMMARY EXECUTIVE SUMMARY

Transcription

1 EXECUTIVE SUMMARY EXECUTIVE SUMMARY This information package was developed to assist all parties participating in the monthly Gas Cost Flow Through Rate (GCFR) process for Direct Energy Regulated Services Deferred Gas Account (DGA). This document contains information used to derive a Rider F of $1.733/GJ for Direct Energy Regulated Services (DERS) gas customers for. 1 February 22, 2018

2 TABLE OF CONTENTS 1 - DGA COST AND RECOVERY OVERVIEW Schedule M-1: Monthly DGA Costs and Recoveries Schedule M-2: Monthly DGA Energy Balance 2 - RECONCILIATION MONTH SCHEDULES Schedule R-1: and Actual DGA Costs and Recoveries Schedule R-2: DGA Energy Balance and Degree Days Schedule R-3: Actual Gas Purchases Schedule R-4: and Actual Unit Gas Prices Schedule R-5: Actual Spot Gas Puchases by Trade Day Schedule R-6: Actual Spot Gas Puchases by Delivery Day - Peaking Schedule R-7: Monthly Index Purchases 3 - FORECAST MONTH SCHEDULES Schedule F-1: Gas Purchases Schedule F-2: Unit Gas Prices Schedule F-3: Rider F Rate Derivation 4 - APPENDIX As Applicable 2 February 22, 2018

3 SECTION 1 DGA COST AND RECOVERY SCHEDULE M-1 MONTHLY DGA COSTS AND RECOVERIES Line Description Units Adjustment Dec-17 Jan-18 Feb-18 Mar-18 1 Opening Cumulative DGA Balance $,000 (3,089) (3,018) (4,787) (7,620) (2,338) Gas Supply Costs 2 Purchases $, ,518 33,910 35,642 19,542 3 Daily Trade Averaging Adjustment $, Imbalances $, Total Gas Supply Costs $, ,518 33,910 35,642 19,542 Adjustments 6 Adjustments For Interim Rates $, Procurement $, Net Gas Costs $, ,557 33,948 35,681 19,580 Recoveries 9 Net Calendar Sales* $, ,031 30,882 40,778 21, Excess System Sales $, Total Recoveries $, ,787 31,116 40,963 21, Current DGA Balance $, (1,770) (2,833) 5,282 2, Closing Cumulative DGA Balance $,000 (3,018) (4,787) (7,620) (2,338) 0 * Net Calendar Sales excludes return margin amounts. A Previous Period B Actual C Estimate D Estimate E SCHEDULE M-2 MONTHLY DGA ENERGY BALANCE A Actual B Estimate C Estimate D Line Description Units Dec-17 Jan-18 Feb-18 Mar-18 Gas Supply Costs 1 Purchases TJ 17,069 17,119 18,250 13,205 2 Imbalances TJ Total Energy TJ 17,069 17,119 18,250 13,205 Recoveries 4 Net Calendar Sales TJ 16,049 16,666 17,964 13,088 5 Excess System Sales TJ Total Recoveries TJ 16,436 16,798 18,089 13,088 7 Load Balancing / UFG Estimate TJ (633) (321) (161) (117) SPECIAL NOTES: 3 February 22, 2018

4 SECTION 2 RECONCILIATION MONTH SCHEDULES Schedule R-1 shows the forecast and actual DGA cost and recovery components for as of November 24, 2017 and February 22, 2018 respectively. Schedule R-2 shows the forecast and actual DGA energy balance for as of November 24, 2017 and February 22, It also shows the normal and actual degree days for. SCHEDULE R-1 FORECAST & ACTUAL DGA COSTS AND RECOVERIES Actual Actual Less November 24, February 22, Line Description Units Gas Supply Costs 1 Purchases $,000 34,147 38,518 4,371 2 Daily Trade Averaging Adjustment $, Imbalances $, Total Gas Supply Costs $,000 34,147 38,518 4,371 Adjustments 5 Adjustments For Interim Rates $, Procurement $, Bad Debts $, Working Capital $, Credit Charge $, Net Gas Costs $,000 34,185 38,557 4,371 Recoveries 11 Net Calendar Sales* $,000 37,540 36,031 (1,509) 12 Excess System Sales $, Penalty Revenue $, Total Recoveries $,000 37,540 36,787 (753) * Net Calendar Sales excludes return margin amounts. SCHEDULE R-2 DGA ENERGY BALANCE & DEGREE DAYS Actual Actual Less November 24, February 22, Line Description Units Gas Supply Costs 1 Purchases TJ 16,869 17, Imbalances TJ Total Energy TJ 16,869 17, Recoveries 4 Calendar Sales TJ 16,719 16,049 (670) 5 Excess System Sales TJ Total Recoveries TJ 16,719 16,436 (283) 7 DGA UFG TJ (150) (633) (483) 8 Degree Days DD 1,436 1, February 22, 2018

5 SECTION 2 RECONCILIATION MONTH SCHEDULES Schedule R-3 shows the actual gas purchases for DGA NOVA Field Receipts and DGA Nova Inventory Transfer supplies for as of February 22, SCHEDULE R-3 ACTUAL GAS PURCHASES Actual - As of February 22, 2018 Line Description TJ $/GJ $,000 1 Nova Inventory Transfer Supplies (Monthly) 10, ,835 2 Nova Inventory Transfer Supplies (Daily Index) 6, ,683 3 Total Gas Purchases 17, ,518 Schedule R-4 shows the forecast and actual unit gas prices for as of November 24, 2017 and February 22, 2018 respectively. SCHEDULE R-4 FORECAST AND ACTUAL UNIT GAS PRICES Line Description Units November 24, 2017 Actual February 22, 2018 Actual Less 1 AECO Monthly Index $/GJ (0.0434) 2 AECO Daily Index $/GJ Notes: The forecast unit price in Line 1 is the weighted average price of the transactions made up to and including November 22, 2017 on the AECO/NGX Intra-Alberta December (Near Month) instrument as reported by NGX. The actual unit price in Line 1 was the weighted average price of the transactions made up to and including November 30, 2017 on the AECO/NGX Intra-Alberta December (Near Month) instrument as reported by NGX. The forecast unit price in Line 2 is the arithmetic average of the December, AECO/NGX Intra-Alberta Settlement prices on November 16, 17, 20, 21 & 22, The actual unit price in Line 2 is the total weighted average price of the daily, weighted average prices each day in December 2017 as reported by NGX and includes all weekend deals. 5 February 22, 2018

6 SECTION 2 RECONCILIATION MONTH SCHEDULES The R5-R8 schedules show the actual day gas sales and purchases for the reconciliation month as at the filing date. Short term transaction totals in schedules R5 are shown only if all four of these criteria are satisfied: 1.Transactions are done for the same time frame (e.g. same day or yesterday). 2.Transactions are done for the same point (i.e. NIT). 3.Transactions are done using the same pricing regime (i.e. fixed vs. index based). 4.Both regulated and deregulated deals are transacting in the same direction (i.e. both selling or both buying). Schedule R5 - Actual Spot Gas Purchases by Trade Day Direct Energy Regulated Services Nova Inventory Transfer Supplies Yesterday (YD) Avg Cost Total Cost ($) AECO YD Daily Avg Fixed (GJs) Avg Cost Same Day (SD) Index Related (GJs) Avg Cost Total Cost ($) Day GJs , , , , , , , , , (800) (1,160.00) , , , , , , , , , , , , , (10,000) (15,875.00) (10,000) (11,591.00) (30,000) (10,000) (37,616.00) (10,000) (10,000) (25,616.00) , , (10,000) (14,025.00) (20,000) (33,500.00) , , , , , , , , , (20,000) (24,518.00) , , , (6,000) (8,520.00) , , (6,400) (8,960.00) (5,000) , , , , , , , , , , , , , , (17,000) (28,200.00) , , (2.1466) (45,800) , , (5,500) (8,535.00) , , , , , , , , , , ,591, , , (1,800) (5,220.00) , , , (48,200) (205,674.25) , , ,201, , , ,136, , , , , , TOTAL 29, , ,000 4,522,000 11,948, AECO Daily Index 6 February 22, 2018

7 Schedule R6 - Actual Spot Gas Purchases by Delivery Day PEAKING Demand Supply Contracts Nova Inventory Transfer Supplies SECTION 2 RECONCILIATION MONTH SCHEDULES Same Day (SD) AECO Day Index Related (GJs) Avg Cost Total Cost ($) Daily Index , , , , , ,013, , ,013, , ,013, TOTAL 1,350,000 4,155,720 7 February 22, 2018

8 Schedule R7- Monthly Index Purchases Direct Energy Regulated Services Nova Inventory Transfer Supplies SECTION 2 RECONCILIATION MONTH SCHEDULES Trade From To Volume (GJ) Price Total Cost ($) /1/ /1/ , , /1/ /1/ , , /1/2017 4/1/ , ,265, /1/2017 4/1/ , , /1/2017 4/1/ , ,265, /1/2017 4/1/ , , /1/2017 4/1/ , ,265, /1/2017 4/1/ , ,265, /1/2017 4/1/ , , /1/2017 5/1/ , , /1/2017 5/1/ , , /1/2017 1/1/ , , /1/2017 1/1/ , , /1/2017 1/1/ , , /1/2017 1/1/ , , /1/2017 1/1/ , ,264, /1/2017 1/1/ , ,264, /1/2017 1/1/ , ,896, /1/2017 1/1/ , , /1/2017 1/1/ , , /1/2017 1/1/ , , /1/2017 1/1/ , ,264, /1/2017 1/1/ , ,264,180 Total Term and Monthly Index Purchases 10,230, ,835,410 8 February 22, 2018

9 This section provides details of the Deferred Gas Account (DGA) components for. SECTION 3 FORECAST MONTH SCHEDULES Schedule M-1 in Section 1 shows the forecast costs for the various gas supply categories, gas cost adjustments and the forecast dollars for the various recovery components for. Schedule M-2 in Section 1 shows the forecast energy balance of the DGA for. Schedule F-1 shows the forecast of gas purchases for by pricing mechanism. As shown in Schedule F- 1, most of the gas purchases have AECO Monthly or Daily Index pricing mechanism. Most of the Other purchase category is also influenced by AECO index pricing mechanism. SCHEDULE F-1 FORECAST GAS PURCHASES Line Description Unit February 22, AECO Monthly Index TJ 7,790 2 AECO Daily Index TJ 5,415 3 Other TJ Total TJ 13,323 Schedule F-2 shows the forecast of the unit gas prices for. SCHEDULE F-2 FORECAST UNIT GAS PRICES Line Description Unit February 22, AECO Monthly Index $/GJ AECO Daily Index $/GJ Notes: The forecast unit price in Line 1 is the weighted average price of the transactions made up to and including February 21, 2018 on the AECO/NGX Intra-Alberta March (Near Month) instrument as reported by NGX. The forecast unit price in Line 2 is the arithmetic average of the March, AECO/NGX Intra-Alberta Settlement prices on February 14, 15, 16, 20 & 21, February 22, 2018

10 SECTION 3 FORECAST MONTH SCHEDULES In order to zero the forecast balance of the DGA on March 31, 2018, a Rider F of $1.733/GJ should be implemented on March 01, Schedule F-3 shows how this rate is calculated. SCHEDULE F-3 RIDER F RATE DERIVATION Line Description Unit Reference Value 1 Opening Cumulative DGA Balance $,000 Schedule M-1, Line 1, Column E -2,338 2 Net Gas Cost Estimate $,000 Schedule M-1, Line 8, Column E 19,580 3 Net Monthly Gas Cost Recovery $,000 Schedule M-1, Line 11, Column E 21,919 4 Monthly Sales TJ Schedule M-2, Line 4, Column D 13,088 5 GCFR $/GJ Line 3 divided by Line Approved Energy Related Charges $/GJ Decision D Approved Return Margin $/GJ Decision D Rider F $/GJ Line 5 + Line 6 + Line February 22, 2018