Transmission Rate Change Overview for June 1, 2020

Presentation on the Rate Change effective June 1, 2020, detailing RNS Rate adjustments, Annual Transmission Revenue Requirements, and Regional Forecasts. The RNS Rate increased to $129.26/kW-year reflecting transmission project impacts, while ATRR analysis showed changes in revenue requirements for PTOs. The Regional Forecast Summary highlighted projected PTF adds and RNS Rate impacts from transmission projects.

• Transmission Rate
• Rate Change
• RNS Rate
• Annual Revenue
• Forecast

mitsuki Follow

Uploaded on Jul 18, 2024 | 0 Views

Download Presentation

Please find below an Image/Link to download the presentation.

The content on the website is provided AS IS for your information and personal use only. It may not be sold, licensed, or shared on other websites without obtaining consent from the author. Download presentation by click this link. If you encounter any issues during the download, it is possible that the publisher has removed the file from their server.

Presentation Transcript

1. RNS Rate Effective June 1, 2020 PTO AC - Rates Working Group Presentation NEPOOL Reliability Committee / Transmission Committee Summer Meeting August 18-19, 2020

2. Presentation Overview Slide General Rate Overview ISO-NE OATT Requirements 3 Summary of RNS Rate Change 4 Annual Transmission Revenue Requirements 5 Regional Forecast Summary 6 Annual True-up Summary 7 Detailed Company Discussions PTO Forecast / True-up Detail 8 21 Appendix Historical Rate Information 24 PTF Investment History 25 2

3. ISO-NE OATT Requirements Schedule 9 Rate Design Attachment F Formula Rate Updated Annually Effective June 1 Reflects: Previous calendar year data, plus Forecasted revenue requirements, plus Annual true-up & associated interest PTO AC Annual Informational Filing o Draft Filing posted on ISO-NE s website on 6/15/20 o Final Filing will be submitted to FERC and posted on ISO-NE s website on 7/31/20 o Supplemental filing for any subsequent revisions 3

4. Summary of RNS Rate Change ($/kW-year) ($/kW-year) $ RNS Rate at 6/1/19 RNS Rate at 6/1/19 111.94 2020 Forecast (Slide 6) 2019 Annual True-Up (Slide 7) Revenue Requirement 2018 to 2019 Load Impact 7.99 (0.24) 3.62 5.95 17.32 $ RNS Rate at 6/1/20 RNS Rate at 6/1/20 $ 129.26 Note: The RNS rate above reflects the impact of transmission projects that enabled rate reductions associated with 1) Congestion Charges, 2) Daily Reliability Payments and 3) elimination of Reliability Must Run Agreements. 4

5. Annual Transmission Revenue Requirements ( ATRR ) ) (Columns (B), (C) and (D) in Millions of $) (E)=(C)/(C Ln 15)- (B)/(B Ln 15) RNS Rate Change Incr./(Decr.) $ $ (D) = (C) - (B) (A) (B) (C) ATRR Change Incr./(Decr.) $ $ (985,815) ATRR 6/01/2019 ATRR 6/01/2020 PTO 1 Central Maine Power 2 CTMEEC 3 Emera Maine 4 Eversource (CL&P) 5 Eversource (PSNH) 6 Eversource (NSTAR West) 7 Eversource (NSTAR East) 8 Maine Electric Power Company 9 National Grid 10NHT 11United Illuminating 12VT Transco 13All Other PTOs 14 Total 15 Average 12CP RNS Load (kW) 207.1 9.5 37.8 551.7 184.5 155.4 275.9 19.5 387.9 16.6 159.1 165.3 17.3 2,187.6 19,542,342 $ $ 205.8 9.3 39.5 657.3 204.6 165.2 275.5 26.3 433.5 18.7 165.9 179.5 17.6 2,398.7 18,556,527 $ $ (1.3) (0.2) 1.7 105.6 20.1 9.8 (0.4) 6.8 45.6 2.1 6.8 14.2 0.3 211.1 0.49 0.02 0.19 7.19 1.58 0.95 0.73 0.42 3.51 0.16 0.80 1.22 0.06 17.32 5

6. June 1, 2020 RNS Rates Regional Forecast Summary (Columns (B) and (C) in Millions of $) (A) (B) 2020 Projected PTF Adds (Including CWIP) $ 37.7 (C) (D)=(C)/Ln 15 Forecasted Transmission RR 6/1/20 RNS Rate Impact ($/kW-year) PTO 1 Central Maine Power 2 CTMEEC 3 Emera Maine 4 Eversource (CL&P) 5 Eversource (PSNH) 6 Eversource (NSTAR West) 7 Eversource (NSTAR East) 8 Maine Electric Power Company 9 National Grid 10 NHT 11 United Illuminating 12 VT Transco 13 All Other PTOs 14 Total 15 2019 Average 12CP RNS Load (kW) $ 4.7 $ 0.25 - 3.3 0.3 0.02 285.9 40.4 2.18 184.6 28.9 1.56 84.1 12.1 0.65 173.3 21.3 1.15 16.2 3.0 0.16 151.4 21.5 1.16 27.0 4.9 0.26 28.9 5.4 0.29 35.1 5.4 0.29 3.6 0.4 0.02 $ 1,031.2 $ 148.3 $ 7.99 0.1 0.00 18,556,527 6

7. June 1, 2020 RNS Rates Annual True-up Summary (Columns (B) through (F) in Millions of $) (A) (B) (C) (D) = (C)-(B) (E) (F) = (D) + (E) (G)=(F)/Ln 15 PTF RR 2018 Actual + 2019 Forecast (As Billed) Annual True-up And Associated Interest PTF RR 2019 Actual RR (For True-up) Difference (Over)/Under Collection Interest on Difference 6/1/20 RNS Rate Impact ($/kW-year) PTO Central Maine Power CTMEEC Emera Maine Eversource (CL&P) Eversource (PSNH) Eversource (NSTAR West) Eversource (NSTAR East) Maine Electric Power Company 16.2 19.7 3.5 0.2 3.7 0.20 National Grid 400.5 406.1 5.6 0.3 5.9 0.32 10 NHT 16.2 15.1 (1.1) (0.1) (1.2) (0.07) 11 United Illuminating 170.4 165.6 (4.8) (0.3) (5.1) (0.27) 12 VT Transco 167.8 170.9 3.1 0.2 3.3 0.18 13 All Other PTOs 16.9 16.7 (0.2) - (0.2) (0.01) 14 Total $ 2,267.5 $ 2,263.3 $ (4.2) $ (0.2) $ (4.4) $ (0.24) 15 2019 Average 12CP RNS Load (kW) 1 2 3 4 5 6 7 8 9 $ 226.3 $ 218.4 $ (7.9) $ (0.4) $ (8.3) $ (0.45) 9.8 9.5 (0.3) - (0.3) (0.02) 39.0 39.1 0.1 - 0.1 0.01 580.2 598.0 17.8 1.0 18.8 1.01 190.6 183.4 (7.2) (0.4) (7.6) (0.41) 151.5 152.3 0.8 - 0.8 0.04 282.1 268.5 (13.6) (0.7) (14.3) (0.77) 18,556,527 7

8. Detailed Company Discussions 8

9. PTO Representatives to discuss the Forecast and Annual True-Up Company Representative CMP: CTMEEC: Versant (Emera Maine): Tim Olesniewicz & Brent Boyles Eversource: Dave Burnham & Mary Bimonte MEPCO: Jason Rauch NGRID: Jack Martin & Tim Martin & Jana Labella NHT: Steve Garwood UI: Jim Clemente VT Transco: Chris Babb Jason Rauch Hao Ni 9

10. Central Maine Power Company 2020 Forecasted PTF Revenue Requirements (A) (A) (B) (B) (C)=(A)x(B) (C)=(A)x(B) (D) (D) (E)=(C) / (D) (E)=(C) / (D) Forecasted Forecasted PTF Revenue PTF Revenue Requirement Requirement (in thousands) (in thousands) $ $ Estimated PTF Estimated PTF Plant In-Service Plant In-Service (in thousands) (in thousands) 19,003 $ 37,747 37,747 $ $ Annual Annual Carrying Carrying Charge Charge 12.50% 12.50% 12.50% 12.50% 12.50% RNS Rate RNS Rate Impact Impact $/kw-yr $/kw-yr RSP or RSP or ACL ID ACL ID 2019 12CP 2019 12CP RNS Load RNS Load Line Line 1 2 3 4 5 6 Project Name Project Name Waterville-Winslow Area Reliability Various Transmission Line Upgrades Spring Street NERC Alert Other PTF Investments Total Total 2,376 713 658 750 222 4,720 5,704 5,262 5,999 1,779 18,556.527 $ 0.25 10

11. Connecticut Transmission Municipal Electric 2020 Forecasted PTF Revenue Requirements (A) (A) (B) (B) (C)=(A)x(B) (C)=(A)x(B) (D) (D) (E)=(C) / (D) (E)=(C) / (D) Forecasted Forecasted PTF Revenue PTF Revenue Requirement Requirement (in thousands) (in thousands) $ $ Estimated PTF Estimated PTF Plant In-Service Plant In-Service (in thousands) (in thousands) $ $ $ Annual Annual Carrying Carrying Charge Charge 8.64% RNS Rate RNS Rate Impact Impact $/kw-yr $/kw-yr RSP or RSP or ACL ID ACL ID 2019 12CP 2019 12CP RNS Load RNS Load Line Line 1 2 Project Name Project Name 400/1410 Line Rating Total Total 56 56 56 5 5 18,556.527 $ 0.00 11

12. Emera Maine 2020 Forecasted PTF Revenue Requirements (A) (A) (B) (B) (C)=(A)x(B) (C)=(A)x(B) (D) (D) (E)=(C) / (D) (E)=(C) / (D) Forecasted Forecasted PTF Revenue PTF Revenue Requirement Requirement (in thousands) (in thousands) $ $ Estimated PTF Estimated PTF Plant In-Service Plant In-Service (in thousands) (in thousands) 3,285 $ 3,285 3,285 $ $ Annual Annual Carrying Carrying Charge Charge 9.88% RNS Rate RNS Rate Impact Impact $/kw-yr $/kw-yr RSP or RSP or ACL ID ACL ID 2019 12CP 2019 12CP RNS Load RNS Load Line Line 1 2 Project Name Project Name Graham 115 kV Control Upgrade Total Total 325 325 18,556.527 $ 0.02 12

13. Eversource 2020 Forecasted PTF Revenue Requirements (A) (A) (B) (B) (C)=(A)x(B) (C)=(A)x(B) (D) (D) (E)=(C) / (D) (E)=(C) / (D) Forecasted Forecasted PTF Revenue PTF Revenue Requirement Requirement (in thousands) (in thousands) Estimated PTF Estimated PTF Plant In-Service Plant In-Service (in thousands) (in thousands) Annual Annual Carrying Carrying Charge Charge RNS Rate RNS Rate Impact Impact $/kw-yr $/kw-yr 2019 12CP 2019 12CP RNS Load RNS Load Line Line Project Name Project Name RSP ID RSP ID The Connecticut Light and Power Company The Connecticut Light and Power Company ACL-71, 72, 74, 75, 77, 78, 82, 81, 82, 83, 116, 120, 122, 124, 127, 129, 130, 139, 140, 141, 163, 165, 166, 168, 172, 173, 178, 211, 212, 214, 215, 222, 223, 224, 226, 229, Fut RSP-1590, 1594, 1596 NA NA NA CEII-TCA ACL-50 ACL-144 NA ACL-89 NA NA Transmission Structure Refurb & Replace (36+ projects) 1 2 3 4 5 6 7 8 9 10 11 12 13 $ $ $ 135,089 78,073 14,998 9,144 7,160 7,099 4,815 4,773 4,149 3,376 3,091 14,092 285,860 285,860 14.12% 14.12% 14.12% 14.12% 14.12% 14.12% 14.12% 14.12% 14.12% 14.12% 14.12% 14.12% $ $ $ 19,071 11,022 2,117 1,291 1,011 1,002 680 674 586 477 436 1,989 40,356 40,356 Greater Hartford Central CT Projects Relay Replacement Projects (5 projects) 1887/1618 line Asset Condition Replacemnt 1355 Line Structure Rebuild Asset Protection & Physical Security Repl Card 5X, Spare at Southington Millstone High Creep Insulator Replacement Hollow Core Insulator Replacement Projects (3 Projects) Replace Montville 16X Auto Branford 11J A3 Bus cable replace Other CL&P PTF Reliability Projects Total CL&P Total CL&P 18,556.527 18,556.527 $ $ 2.18 2.18 Public Service Company of New Hampshire Public Service Company of New Hampshire Seacoast Reliability Project 14 RSP -1316, 1317,1318 ACL-100, 102, 105, 186, 187, 188, 191, 192, 198, 199, 200, 201, 202, 204, 205, 206 NA NA NA NA $ 110,709 15.64% $ 17,312 Transmission Structure Refurb & Replace (16+ projects) 15 16 17 18 19 20 $ $ 47,895 10,773 5,990 2,228 7,037 184,632 184,632 15.64% 15.64% 15.64% 15.64% 15.64% $ $ 7,489 1,685 937 348 1,100 28,872 28,872 M127 Line OPGW and Asset Condition Replacement Relay Replacements (13 Projects) L176 Line OPGW Addition Other PSNH PTF Reliability Projects Total PSNH Total PSNH 18,556.527 18,556.527 $ $ 1.56 1.56 13

14. Eversource (Continued) 2020 Forecasted PTF Revenue Requirements (A) (A) (B) (B) (C)=(A)x(B) (C)=(A)x(B) (D) (D) (E)=(C) / (D) (E)=(C) / (D) Forecasted Forecasted PTF Revenue PTF Revenue Requirement Requirement (in thousands) (in thousands) Estimated PTF Estimated PTF Plant In-Service Plant In-Service (in thousands) (in thousands) Annual Annual Carrying Carrying Charge Charge RNS Rate RNS Rate Impact Impact $/kw-yr $/kw-yr 2019 12CP 2019 12CP RNS Load RNS Load Line Line Project Name Project Name RSP ID RSP ID NSTAR West NSTAR West ACL-38, 45, 64, 65, 112, 114, 181, 207, 209, 211 RSP-1663 ACL-Fut NA NA NA 21 22 23 24 25 26 27 Transmission Structure Refurb & Replace (27+ projects) Pittsfield-Greenfield Area Solution Upgrades Install OPGW on Line 1512 Hollow Core Insulator Replacements (3) Ametek/Pulsar PLC Replacements Other NSTAR W PTF Reliability Projects Total NSTAR West Total NSTAR West $ $ $ 44,819 26,378 5,013 2,637 2,120 3,170 84,137 84,137 14.35% 14.35% 14.35% 14.35% 14.35% 14.35% $ $ $ 6,433 3,786 719 378 304 455 12,076 12,076 18,556.527 18,556.527 $ $ 0.65 0.65 NSTAR East NSTAR East RSP-1336, 1354, 1357, 1738, ACL-43 CEII-TCA ACL-107 ACL-90 ACL-32, 108,179 ACL-63 NA NA RSP-965 ACL-43 NA ACL-42 RSP-1731 ACL-44 NA 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 Greater Boston Projects Asset Protection & Physical Security Mystic to Golden Hills Reliability Improvement Canal BPS & Asset condition upgrade Transmission Structure Refurb & Replace (11 projects) Lexington BPS Upgrade Transmission Vehicles OPGW - Weymouth to Holbrook Lines 478-508/509 Walpole Holbrook Reliability Project Sta 385 Control House & Line Cutovers Loops 8 & 9 MOVs Sta 329 Control House & Line Cutovers STA 624 WING LANE CAP BANK SRI Sta 250 Upgrade Control House Other NSTAR E PTF Reliability Projects Total NSTAR East Total NSTAR East $ $ $ 46,362 39,238 27,637 11,621 7,487 6,782 3,355 3,135 2,483 2,465 2,400 2,288 2,183 2,256 13,574 173,265 173,265 12.32% 12.32% 12.32% 12.32% 12.32% 12.32% 12.32% 12.32% 12.32% 12.32% 12.32% 12.32% 12.32% 12.32% 12.32% $ $ $ 5,712 4,834 3,405 1,432 922 836 413 386 306 304 296 282 269 278 1,672 21,346 21,346 18,556.527 18,556.527 $ $ 1.15 1.15 14

15. Eversource (CL&P) 2019 True-up Analysis True-up Analysis - CL&P True-up Analysis - CL&P (PTF RR in Millions of $) (A) (B) Increase / (Decrease) in RNS Rate ($/kW-year) Increase / (Decrease) in PTF RR 1 2 3 4 5 Actual vs. Forecasted Plant Change in Cost of Capital Actual vs. Forecasted Revenue Requirements Interest Expense Total 2019 Annual True-up $ $ $ 5.1 (8.2) 20.9 1.0 18.8 18.8 $ $ $ 0.27 (0.44) 1.13 0.05 1.01 1.01 6 2019 RNS 12 CP Load 18,556,527 15

16. Eversource (NSTAR East) 2019 True-up Analysis True-up Analysis - NSTAR (East) True-up Analysis - NSTAR (East) (PTF RR in Millions of $) (A) (B) Increase / (Decrease) in RNS Rate ($/kW-year) $ $ $ Increase / (Decrease) in PTF RR $ $ $ 1 2 3 4 5 Actual vs. Forecasted Plant Change in Cost of Capital Actual vs. Forecasted Revenue Requirements Interest Expense Total 2019 Annual True-up (7.2) (0.9) (5.5) (0.7) (14.3) (14.3) (0.39) (0.05) (0.29) (0.04) (0.77) (0.77) 6 2019 RNS 12 CP Load 18,556,527 16

17. Maine Electric Power Company 2020 Forecasted PTF Revenue Requirements (A) (A) (B) (B) (C)=(A)x(B) (C)=(A)x(B) (D) (D) (E)=(C) / (D) (E)=(C) / (D) Forecasted Forecasted PTF Revenue PTF Revenue Requirement Requirement (in thousands) (in thousands) $ $ Estimated PTF Estimated PTF Plant In-Service Plant In-Service (in thousands) (in thousands) $ 10,000 5,095 16,161 16,161 $ $ Annual Annual Carrying Carrying Charge Charge 18.50% 18.50% 18.50% 18.50% RNS Rate RNS Rate Impact Impact $/kw-yr $/kw-yr RSP or RSP or ACL ID ACL ID 2019 12CP 2019 12CP RNS Load RNS Load Line Line 1 2 3 4 5 Project Name Project Name MEPCO T/L Structure Rplcmnt MREI - Land Corridor 396/3001 - 2 Angle Structure Replacements Section 388/3023 Rebuild Total Total 200 37 1,850 942 160 2,989 ACL 24 ACL 23 867 18,556.527 $ 0.16 17

18. National Grid 2020 Forecasted PTF Revenue Requirements (A) (A) (B) (B) (C)=(A)x(B) (C)=(A)x(B) Forecasted Forecasted PTF Revenue PTF Revenue Requirement Requirement (in thousands) (in thousands) $ (D) (D) (E)=(C) / (D) (E)=(C) / (D) Estimated PTF Estimated PTF Plant In-Service Plant In-Service (in thousands) (in thousands) 39,737 $ 36,194 22,888 14,643 11,239 10,271 5,676 5,626 2,956 1,033 Annual Annual Carrying Carrying Charge Charge 14.18% 14.18% 14.18% 14.18% 14.18% 14.18% 14.18% 14.18% 14.18% 14.18% 14.18% RNS Rate RNS Rate Impact Impact $/kw-yr $/kw-yr 2019 12CP 2019 12CP RNS Load RNS Load Line Line 1 2 3 4 5 6 7 8 9 10 11 Project Name Project Name RSP or ACL ID RSP or ACL ID ACL 149, 150 1210, 1488, 1489, 1526 1714, 1742, 1714 - 1724 315 Line Refurbishment Asset Condition (General) SEMA/RI Aquidneck Island (Newport/Jepson)1669, 1670, 1671 NERC / CIP Line Maintenance NPCC Pilot Scheme Upgrade Damage Failure Relay/Metering/Telecom Somerset Asset Condition Other 5,634 5,131 3,245 2,076 1,593 1,456 805 798 419 146 ACL TBD ACL 53, 54, 88, 93-99 1635 782, 1208, 1525 1327, 1330, 1550, 1551, 1213, 1365, 1527, 1528, 1260, 1550, 1551, 1552 945 663 94 12 13 14 15 16 Greater Boston Western Massachusetts Substation Capacity 303/3520 Line Refurbishment Total Total $ $ 390 41 36 26 14.18% 14.18% 14.18% 14.18% $ 55 6 5 4 ACL 147, 148 151,418 151,418 21,467 18,556.527 $ 1.16 18

19. New Hampshire Transmission 2020 Forecasted PTF Revenue Requirements (A) (A) (B) (B) (C)=(A)x(B) (C)=(A)x(B) (D) (D) (E)=(C) / (D) (E)=(C) / (D) Forecasted Forecasted PTF Revenue PTF Revenue Requirement Requirement (in thousands) (in thousands) Estimated PTF Estimated PTF Plant In-Service Plant In-Service (in thousands) (in thousands) Annual Annual Carrying Carrying Charge Charge RNS Rate RNS Rate Impact Impact $/kw-yr $/kw-yr RSP or RSP or ACL ID ACL ID 2019 12CP 2019 12CP RNS Load RNS Load Line Line Project Name Project Name Seabrook GIS Breakers and Bus Replacements DFR/DDR/PMU Upgrade and GPS Clock Replacement JMIX Power Supply Capital Tools Control wiring change Total Total 1 ACL 86 $ 26,515 18.12% $ 4,804 2 3 4 5 6 $ $ 155 104 132 62 18.12% 18.12% 18.12% 18.12% $ 28 19 24 11 26,968 26,968 4,886 18,556.527 $ 0.26 19

20. The United Illuminating Company 2020 Forecasted PTF Revenue Requirements (A) (A) (B) (B) (C)=(A)x(B) (C)=(A)x(B) (D) (D) (E)=(C) / (D) (E)=(C) / (D) Forecasted Forecasted PTF Revenue PTF Revenue Requirement Requirement (in thousands) (in thousands) Estimated PTF Estimated PTF Plant In-Service Plant In-Service (in thousands) (in thousands) Annual Annual Carrying Carrying Charge Charge RNS Rate RNS Rate Impact Impact $/kw-yr $/kw-yr RSP or RSP or ACL ID ACL ID 2019 12CP 2019 12CP RNS Load RNS Load Line Line Project Name Project Name East Shore 345 kV circuit switcher replacement project East Shore - Raising Impacted 115 kV Equipment Pequonnock CWIP UI Security Project East Shore 345kV Reliability Upgrades Substation Security Upgrades Other < $1M Total Total 1 17 $ 11,240 18.73% $ 2,106 2 18 22 N/A N/A N/A $ $ 330 18.73% 18.73% 18.73% 18.73% 18.73% 18.73% $ 62 3 4 5 6 7 8 6,330 3,600 2,100 1,500 3,800 28,900 28,900 1,186 674 393 281 712 5,414 18,556.527 $ 0.29 20

21. VT Transco LLC 2020 Forecasted PTF Revenue Requirements (A) (A) (B) (B) (C)=(A)x(B) (C)=(A)x(B) (D) (D) (E)=(C) / (D) (E)=(C) / (D) Forecasted Forecasted PTF Revenue PTF Revenue Requirement Requirement (in thousands) (in thousands) $ Estimated PTF Estimated PTF Plant In-Service Plant In-Service (in thousands) (in thousands) $ 9,300 16,544 1,129 3,419 Annual Annual Carrying Carrying Charge Charge 15.32% 15.32% 15.32% 15.32% 15.32% 15.32% RNS Rate RNS Rate Impact Impact $/kw-yr $/kw-yr RSP or ACL RSP or ACL ID ID 1613 1614-1617 ACL 233 N/A N/A N/A 2019 12CP 2019 12CP RNS Load RNS Load Line Line 1 2 3 4 5 6 Project Name Project Name PV20 Connecticut River Valley K41 Line Transmission Line Refurbishment Security upgrade Substation condition assessment-various Other Projects less than $1M and Close Out Costs Total Total 438 39 67 6 1,425 2,535 173 524 7 8 N/A $ $ 4,243 35,112 35,112 15.32% $ 650 5,380 18,556.527 $ 0.29 21

22. Questions ? 22

23. Appendix Historical Rate Information 23

24. Historic RNS Rates ($/kW-year) June 1, 2011 June 1, 2020 Pre-97 Post-96 13.28 14.54 16.26 16.46 17.59 17.18 17.30 16.57 14.72 15.01 Total 63.87 75.25 85.32 89.80 98.70 104.10 111.96 110.43 111.94 129.26 50.59 60.71 69.06 73.34 81.12 86.92 94.66 93.86 97.22 114.25 06/01/11 06/01/12 06/01/13 06/01/14 06/01/15 06/01/16 06/01/17 06/01/18 06/01/19 06/01/20 24

25. PTF Investment History (In Millions of $) EVERSOURCE (CL&P, PSNH & NSTAR East) Calendar Year Ending EMERA MAINE EVERSOURCE (NSTAR) Total CMP CTMEEC NGRID NHT UI VTransco 6,666.6 307.5 0.0 206.7 2,828.3 1,122.7 1,063.9 54.1 467.6 615.8 12/31/2010 7,037.5 353.9 51.3 235.3 2,902.6 1,177.1 1,153.7 54.4 481.5 627.7 12/31/2011 8,053.8 619.0 51.3 311.9 3,324.3 1,237.9 1,239.1 57.4 553.5 659.4 12/31/2012 9,501.1 948.5 51.3 338.2 3,893.5 1,530.6 1,352.6 60.8 611.7 713.9 12/31/2013 10,412.7 1,278.0 51.3 344.4 4,201.8 1,570.5 1,466.6 62.7 634.9 802.5 11,762.9 1,657.7 51.3 355.6 4,696.7 1,720.6 1,702.5 63.5 677.7 837.3 12,650.6 1,673.7 51.3 355.7 5,090.8 1,981.1 1,860.4 66.1 756.6 814.9 13,543.2 1,685.7 51.3 355.8 5,577.0 2,097.7 1,956.6 69.5 788.1 961.5 14,677.9 1,791.5 51.3 356.0 6,232.5 2,234.1 2,018.6 74.3 884.8 1,034.8 15,716.1 1,819.7 51.3 360.0 6,797.3 2,404.2 2,202.7 87.5 917.1 1,076.3 12/31/2014 12/31/2015 12/31/2016 12/31/2017 12/31/2018 12/31/2019 25