NB_3011 NB_3002 NB_3009 ST ANDRE KESWICK COLSON PT LEPREAU

STANSTEAD, QU ISO NEW ENGLAND, INC NB_3001 NB_3003

New Brunswick - New England To Bedford 91 BHE 390/3016 WASHINGTON 1400 OAKFIELD 396 Bangor K46-3 NEWPORT BINGHAM 1429 KEENE RD Hydro K142 Keene Rd Export Export Down 61 286 East BHE KIBBY WIND FARM HARRIS HYDRO HARTLAND 3015 N.O. POWERSVILLE RD Export GUILFORD 62 K46-1 Mosher Tap K46-2 Moscow BHE SVC K47 SYSTEM DIAGRAM 222 56 BHE EPPING TAP 267 66 82-1 82-2 K41 ATHENS ME BHE HIGHGATE JAY VT IRASBURG SHEFFIELD STETSON 97 55 63 52 BHE H15 215 BHE BHE 9DRAGONS BIGELOW WYMAN HYDRO 264 85 64BHE-2 64BHE-1 DOGTOWN PASADMKG GRAHAM DEBLOIS Sheffield Highgate Export K42-3 ISO-PUBLIC 215 A ROLLINS CHESTER K42HG 218-2 LAKEWOOD 93 63-1 287 ENFIELD Sheffield Highgate Export 218A STRA 83-2 BHE Converter HARD COPY UNCONTROLLED RUMFD_FL 218A Tap Wyman Hydro Export DETROIT BULL HILL 59-2 Tap 281 203 3023 246 K39 218-1 243-2 67 BHE 63A 63C ORRINGTON 248 BHE K42-2 Inner Rumford Export 51 Outer Rumford Export

East-West WILLIAMS HYDRO 243A EMBDEN 259 249 ST. ALBANS RUMFORD 241 388 247 66BHE-1 K42SA 63-2 COUNTYRD HEYWOOD ALBION RD HARRINGTON K42-1 270 243-1 PISGAH CHEMICAL RILEY 83C_ TAP 242 84 69 BHE K80 280 89 LIVERMORE FALLS 278-1 254 65 66BHE-2 GEORGIA EAST FAIRFAX STURTEVANT STARKS 54BHE ROXBURY 83C 83-1 COLUMBIA LYNDONVILLE 228 WINSLOW REBEL HILL O154 LUDDEN LN 251 278-2 279 SAPHINCK 205-1 LOST NATION PARIS 289 FRMINGTN MADISON 59-1 Northern VT Import NY-DP-1 RPA 258 67 Waltham Road BHE BHE DULEY K19 K21-2 K28 IND PARK 3024 W179-2 230 213-2 272 Betts Rd 60 57 58 229 200-3 PUDDLEDOCK ROAD NORTH AUGUSTA AUGUSTA EAST SIDE BHE BHE BHE 227 CooperMill-South 257 BOGGY BROOK TUNK PONTOOK HYDRO PLATTSBRG PV-20-2 PV-20-1 K60 D142 205-2 SOUTH HERO 213-1 88 SANDBAR ST. JOHNSBURY JAY Orrington-South 68 221 388 203 BHE TRENTON 211 BUCKSPORT PS01 60-2 BROWNS CROSSING 60-1 ELLSWORTH RYAN W179-1 A.E.I. LEEDS BOWMAN STREET 254 NY-RYP-2 K21-3 STOWE 3025 COOPERS MILLS 86 Orrington-South K22 IBM 200A Q195 Tap S136 200-1 269 Q195-1 WHITEFIELD BERLIN MOORE Surowiec-South ME-NH Interface WOODSTOCK Bangor Hydro K21-1 K24-5 Q195-2 200-2 392 266-1 251 68 80 BELFAST LINCOLNVILLE Export K24-3 Z177 210 217 392 K54 87 MONMOUTH K25 K24-1 K24-2 K24-4 K56 K55 MONROE 61-2 DCT 266-2 ESSEX MIDDLESEX BERLIN_VT BARRE_VT NORWAY GULF ISLAND MAINE YANKEE MASON SMITH HYDRO KIMBALL ROAD 212 226 MEADOW ROAD C 203-2 D 204-2 X178-3 378 204 NEW CASTLE HIGHLAND 266-3 K23-3 Duxbury 61A 375 377 266A 3025 207-1 K18 Vt 268 206A EAST AVENUE LIME KILN TAFTS CORNER G 207 H 208 214-1 DRAGON CEMENT 206 K23-1 K23-2 HOTEL ROAD 61-1 LARRABEE RD ME. YANKEE Whitefield South + GRPW 81-1 D 204-1 Littleton Tap 207-2 Essex Tap PS01 LOVELL 3026 PARK STREET K27 F 206 75-2 256 255 201 GRANITE COMERFORD K60 Q195-3 MIDDLE_ST BATH Coopers Mills-South/Surowiec-South 209 75-1 QUEEN CITY WILLISTON PS02 69-2 275 C 203-1 D 204-3 PS01 CHALLENGER DR LEWISTON LOWER CROWLEYS 81A 161 277 160-2 K33 U199 X178-2 X178-1 B112-1 B112-2 Y138 214-3 202 64 SEWALL FORE RIVER CAPE HINCKLEY LITTLETON N.WOODSTOCK BEEBE TAMWORTH WHITE LAKE SACO VALLEY TOPSHAM PRIDES K65-4 STRET_PD 81-2 C 203-3 62 69-1 C106 167A 160-1 Z180 209 208 SUROWIEC 167-2 SHELBURNE RAYMOND MOSHERS 165 YARMOUTH 167-1 PLEASANT HILL HUCKINS HILL INTERVALE 166 K65-3 K43 LACONIA 166 K51 B 202N Surowiec-South 3020 162 164-2 CHARLOTTE L176 J125 E115-1 G146 ME-NH Interface 3020 K65-2 A 201 BROKENGD RAVEN FARM E115-2 GARVINS YARMOUTH 4 166 OAK HILL ELM STREET

New England-New York 3038 374 3039 K64 PEMIGEWASSETT ASHLAND T2-CB 234-3 N FERRIS VERGENNES T1-CB 3040 164-1 Northern Vermont Import H137 233 K65-1 East-West A111 B15 B84 386 386 231 V182 C189 M108 BUXTON SOUTH GORHAM WESTBROOK SPRING STREET CURTISVL D121 169 WEBSTER FARMWOOD MERRIMACK VALLEY LANE 219 234-1 234-2 NEW HAVEN Northern Vermont Import M127 220 MUSSEY RD K50 K26 F139 P145 ME-NH Interface 223 RED BROOK CHELSEVT HARTFORDVT WILDER W149N 239-2 MT. SUPPORT 391 385 3021 224 GOOSEFARE LOUDEN WEST BUXTON 239-1 WATERBORO K63 Dunbarton A 253 G146 238-2 163-1 W149 B 202N B 202N Tap 307 238A 163A EDDY DEERFIELD BIDDFORD W. KENNEBUNK 225 D118 238-1 163-2 MIDDLEBURY WINDSOR A 201 C196 L175 3022 3022 237 293 SLAYTON HILL C196 391 ELIOT MAGUIRE RD CYRO DRIVE SANFORD M127 373 K15 K30-1 370 W149S-2 Q171 Q171 TASKER FARM C129 140-1 K149 X104 A164 F162 3176 P. & W. 140A K31 TUTTLEHL JACKMAN WEARE GREGGS RIMMON NNE-Scobie+394 NEW ENERGY 236 ASCUTNEY Y170 Ascutney Tap K174 NORTH ROAD J114 P106 140-2 250 FLORENCE B143 K174 PINE HILL EASTPORT NEWINGTON 361 QUAKER HILL BRANCH_BRK COMSTOCK TICONDRG O161 O161 G128 L163 K105 R169 Northern Vermont Import K30-2 Northern Vermont Import W149S-1 A 201 B 202S DOVER 197 NH Seacoast Import NY-13WC NY-3WT REEDS FERRY I158 T57 T53 MADBURY M183 ME-NH Interface East-West V191 V191 M164 3135 N133-2 MICHAEL AVE N. MERRIMACK BEDFORD HUSE ROAD THREE RIVERS BOLT HILL K32 H123-2 UNITIL K7 K34 K37-1 K35 Milford W157 373 ROCHESTER F107 TIMBER SWAMP RD CEDAR WHITEHALL BLISSVILLE WEST RUTLAND NORTH RUTLAND COLD RIVER N_KEENE Tap SOUTH MILFORD W144 N133-1 NY-6 W149S-3 S188 S188 R187 F107 T155 WATTS BROOK MAMMOTH PS01 D108 H123-1 NNE-Scobie+394 369 NH Seacoast Import 350 BELLOWS FALLS 3195 380 380 SWANZEY EAGLE Z156 AMHERST SCOBIE SEABROOK CHESTER MILL POND SCHILLER PORTSMOUTH Seabrook Peaslee Tap J136N-1 I135N-1 L109 N214 363 L117 U181-1 T13 340 A152-3 T77 K211 NO. LITCHFIELD A NO. LITCHFIELD B South B131 B71 350 367 GRANITE RIDGE A184 SCHAGHTICOKE COOLIDGE 340 O215 H141-1 H141-2 U181-2 L212 Z119 GREAT BAY S153 Vernon Tap A152-2 THORNTON B172 PULPIT RK E194 RESISTANCE VERNON ROAD CHESTNUT HILL EMERALD STREET OCEAN RD NEWFANE Z119 V103 Tap R193-1 NY-10SE N186-1 N186-2 A152-1 G192 R193-2 North-South 3321 3320 O149 BRIDGE STREET X116 326-1 X116 BRENTWOOD A126 T198 North-South 394-1 V103 J147 North-South K165-2 N.O. K165-1 NY-38 E 205W E 205W E 205E North-South Boston Imp. T10 ROTTERDAM EASTOVER BEAR SWAMP Monadnock 3124 KNGSTNPS PEASLEE KNGSTNUT K186 MONADNOCK ANHEUSER BUSCH Bridge_St Tap POWER ST PELHAM W. AMESBURY T91 E 205E VERMONT YNK Tap Y151N Y151-7 T20 North-South NH Seacoast Import I135N-4 East-West O215 N214 S197 A1-2 P134 T33 T44 NORTH CHELMSFORD D-4A A1-1 W. METHUEN E. METHUEN K163 E131-3 Vernon Otter_Rv Prat_J A153-2 E. DRACUT Boston Imp. 3340 K40 LONG HILL HUDSON L. DEERFIELD E5DW B2-1 B2-2 Q166 I161-2 G133W G133 Ware 3381 NORTH DRACUT FW6 F6 E5E-2 E5E-1 L164-5 Y151-5 Y151-6 KING ST. Meadow St Pondvil Millbury 326-1 MEADOWBROOK Dracut WOOD CHUCK MIDDLETON IPSWICH RIVER S. DANVERS WATERS RIVER NY-5 K6 Y25N-1 Y25N-2 340 I135N-2 GOLDEN ROCK G133E N_TROY HOOSICK BENNINGTON PutnamRd Sears E5-2 F6E-2 F6E-1 367 North-South A153-1 C155N-4 LAWRENCE RD B154N-6 B154N-4 B154N-3 B154N-2 B154N-1 B154S-3 B154S-2 O-15N E5-1 Harrngtn VERNON VT 379 R115W R115E FITZWILLIAM I161-1 L'ENERGIA SO. BROADWAY King_St Tap K4 PERRY STREET Y151-4 3320 326-2 ROCKINGHAM Y25 Palmer North-South 379 J162-2 Y151-3 C155N-5 C155N-3 C155N-2 C155N-1 C155S-3

J162-3 L164-4 J10 Y25S-2 Y25S-1 Y151-2 N192 DeerFld5 Hoosac L'ENR TAP E. BEVERLY Phase II P1_P2_T M191-2 WESTFORD PWRCO_RD J162-4 L164-2 L164-3 394-2 MARBLEHEAD Q117 A127W-1 A127W-3 Connection WARD HILL North E131-3 ASHBURNHAM 3521A 3512A K137E-1 River Montague Tap Y151-1 Bearswamp HARRIMAN 452 K137E-7 J162-1 397 BEVERLY ADAMS L138E-2 L138E-4 L138E-1 C155S-1 M191-1 Tap B128-1 I135-3 I135-5 East-West W. ANDOVER NORTH READING WALLACE BARTHOLOMEW W. SALEM RAILYARD E131-2 E131-1 451 BILERA_T TEWKSBURY K137E-4 K137E-3 K137E-5 B154S-1 B128-2 I135-6 N140-1 T146-1 T146-2 T146-3 T146-4 T146E-4 T146E-3 T146E-2 T146E-1 Y177-2 Mass Yankee Y177-1 N.O. K137E-2 F132-2 J136N-3 LITTLETON S145E-4 S145E-3 S145E-2 S145E-1 SALEM HARBOR 381 M139-1

SHERMAN 3512 J136N-1 3521 BILLERICA S145-1 S145-2 S145-3 J136N-2 T146-5 WAKEFIELD Q169-2 Q169-3 NY-1-AR 312 312 354 PINEHURST M139-4 E. TEWKSBURY BURTT RD Q169-7 Q169-6 Q169-4 Q169-1 RESCO LYNN REYNOLDS 393 EAST WINCHENDON BERKSHIRE NORTHFIELD 3124 Q169-9 ALPS K137 Golden Hill Tap Q169-5 N.O. A179-2 AYER SANDY POND TEWKSBURY READING NO. WOBURN F158N-5 F158N-4 F158N-3 A179-3 A127W-2 FLAGG POND MELROSE 1604 337 211-503-2 GE RIVER PARTRIDGE V-22E U-21E 397 N140-2 349Y A179-1 K137W 339 211-504-2 339 349 A127W-4 A127-1 WENDELL DEPOT J136S-1 GOLDEN HL GE CO. 14E ERVING PROSPECT WAKEFIELD JCT F158N-1 F158S REVERE NY-2-AN I135S MAPLEWOOD LAUREL CIR 211-504-1 3136 349X NEW_SCOT F132-1 N.O. 1816 LITCHFIELD ST L138W-2 338 365 211-514 1361 B128-3 A127-2 EVERETT U-21S 1231-1 1231-2 1231-3 V-22S WOBURN NORTH CAMBRIDGE ALTRESCO CUMBERLAND MONTAGUE E 205E J136S-3 211-514 128-518

1715 1242-3 N.O. B128-4 PRATTS JUNCTION 351 1551 1242-1 1242-2 A127W-5 211-508 346 831-536 875-539 358 O167 E 205E 343 314 PUTNAM 831-540 E. CAMBRIDGE KENDALL BURLINGTON 423-515 DOREEN FRENCH KING 831-537 831-538

1242-4 349XY 1231-4 Boston Imp. HNDRSNVL 1662 1044-2 STERLING 319 1231-5 P142N 391-508 488-518-1 1161-1 320-508 509-530 329-530 488-518-2 N.O. 1242-5 N.O. BARRE BLAIR_PD TILLSON O141N-1 HARTWELL TRAPELO RD 1211 354 CONCORD MLP 329-510-2 329-510-1 PLAINFIELD ASHFIELD LEXINGTON 488-519 1632 WACHUSETT N.O. SOMERVILLE MYSTIC CHELSEA OSWALD 1242-7 1044-3 1113-5 533-508 Oswald Jct. 320-507-2 329-531 1044-1 AMHERST 219-532 219-533 450-508 329-511-2 329-511-1 B128-5 313 308 372 250-516-3 250-517-3 1161-3 O141W PS01 250-517-2 Tillson Tap 1134-2 416-526 282-507 329-521 329-513-2 329-513-1 P142W BRIGHTON SCOTIA CARVER ST HAWKINS ST N.O. CHATHAM ST NO. MARLBORO MAYNARD SUDBURY WALTHAM 324 PODICK N.O. 1113-1 FIVE CORNERS 329-512-2 329-512-1 WOODLAND 1113-4 416-527 282-602 250-516-2 A127-4 GREENDALE 329-520 250-517-1 WEST BOYLSTON N166-2 282-520-2 282-521-2 250-516-1 1819 East-West 342-507-2 1113-2 1371 FLORENCE O141 282-521-1 HUDSON SAXONVILLE SEAFOOD 514-513 514-512 110-511-3 WATERTOWN ELECTRIC 110-510-3 MIDWAY 1039 1447 1134-1 NASHUA P142 385-511-3 PINESHED STONY BROOK 342-603 342-507-1 282-520-1 110-510-2 514-510 MT. TOM N166-1 H 160 385-516 385-517 PLEASANT MASSPWR 110-511-2 COLBURN KINGSTON ST KINGSTON AB -2 HIGH ST GUNN TREASURE VALLEY PAXTON SPEEN STREET PS01 110-511-4 1962 1428 292-522 514-511 O141S NORTHBORO ROAD WEST FRAMINGHAM NEWTON HIGHLANDS BAKER STREET 385-510-3 1327 1930 1940 334 513-507/D156 385-512 385-510-1 385-511-1 1657-1 1935 433-507 292-523 110-510-4 385-513 1845 B128-6 ROLFE AVE. E157E 3163 1293 1894 1356 301 1657-2 Southhampton 1601 BLOOMINGDALE K_STREET BUCK POND NORTH CANAL FAIRMONT SHAWINIGAN LUDLOW A127-5 SHREWSBURY 240-510 NY-94-LN NY-93-LN Jct. FRAMINGHAM 1552 EAST MAIN STREET 3162 1657-3 X176-1 110-522 106-526 106-527 New England-New York 1904 3196 576-534 1638 1803 B180 P142S-2 NEEDHAM 496-529 496-528 1292 MEMORIAL THORNDIKE E157 ANDREWS SQ. M.B.T.A. 1421 1302-2 INGLESIDE HOLYOKE WEBSTER ST 455-507 3164 483-525 483-524 WMI-MILLBURY E157W-2 576-535 1702 ORCHARD CENTECH 240-508 148-522X&Y HYDE PARK 3419 X176-2 Z126-2 DEWAR STREET 132-538 DEER ISLAND N.O. SHERBORN CHICOPEE 1426 WYMAN GORDAN 342-603 Boston Imp. POCHASSIC 1314 PALMER VERNON HILL M165-3 517-524 517-525

PIPER Boston Imp. 1803 1481 N.O. CADWELL Z126-1 E157W-1 DOVER_BE ELLIS AVE N.O. N. QUINCY W175-1 A127-7 240-601 A127-6 BLANDFORD CLINTON 115-8-10 115-10-16 517-532 517-533 1556 1645 LITTLE REST MILLBURY NO. 2 313 308 274-509-2 495-533 495-532 CHURCH HILL 115-16-11 B128-7 357 MIDDLE ST. POTTER STA. FIELD ST 1230 302 478-502-2 1544 1755 W175-3 301 302 MILLBURY NO. 3 447-502-3 447-502-1 115-4-8 HOLLISTON NORWOOD Swift's Beach 1302-1 CARPENTER HILL 456-522 447-509-2 SHARON 478-502-3 EDGAR 1311 V174-2 323 447-509-3 1433 1322 WEST CHARLTON 366 PLAIN ST. Tap 478-502-1 WEST SPRINGFIELD BRECKWOOD EAST SPRINGFIELD W175-2 Boston Imp. 478-503-3 478-503-2 V174-1 1412 W123-1 447-508-3 117-509-2 D130-1 D130-7/126-501 WALPOLE 115-9-4 HOBART ST. ATWATER 1981 U173 478-508-3 478-508-4 1007 NORTH OXFORD Purchase St HOPKINTN 274-509-1

117-508-4 MILLENIUM C129N-1 117-502-2 ELM AGAWAM W123-2 240-601 GROVE ST. C129N-8/126-502 3196 1205 R170 357 CANTON_BE 117-502-1 478-509-4 478-509-1 EAST WEYMOUTH

447-502-4 3216 SNOW STREET 389 389 117-508-2

447-509-4 447-508-4 117-508-1 117-508-1 478-509-3 1853-1 R144N-1 Q143N-1 478-509-2 1781-2 1781-1 1858 1394 1976 DEPOT ST. 323 WEST MEDWAY WEST WALPOLE S_RANDOLF 117-509-1 117-509-1 HOLBROOK MID WEYMOUTH FRANCONIA SCITICO W HAMPDEN D130-5 DCT 325 325 DCT 398-537 1782-2 1782-1 CT Import/Export MEDWAYJ3 STOUGHTON MILFORD POWER 344 331 3161 3161 316 E. HOLBROOK

3520 65-507 451-536-1 SILVER SOUTH AGAWAM 1100 C129N-6 65-508 1853-3 1853-2 ENFIELD CT Import/Export D130-6 201-501 MEDWAY 331 335 451-536-2 Granville Tap 1768 3419 366 SOUTHWICK 1905 1300 ROCKY HILL 65-502 1768 DEXTER Depot_St_T C129N-3 336-2 LSEMA\ERI Imp 1724 STOUGHTON HARRISON 1200 NORTH ABINGTON NORWELL BERKSHIRE POWER ROCKVILLE OCEAN STATE CT Import/Export WINDSOR LOCKS BARBOUR HILL PARK VIEW HANOVER TAP 3216 CT Import/Export C129N-7 C129N-2 BEAVER POND A94-2 1606 344 U2 C3-99 C3E N.O. 1635 NEA-BELLINGHAM C3 SOUTH WINDSOR 333 3520 C129 C3-2 C3-3 S9E-2 1042 3642 AMES STREET SCITUATE W. CT Import NORTH BLOOMFIELD East-West 336-3 PLYMOUTH N.O. 693 1763 3361 336-1 ANP-BELLINGHAM UNION ST SHERMAN ROAD BLACKSTONE MA BELMONT D911 S9-2 S9-3 FALLS VILLAGE A94-1 FRANKLIN DRIVE 1777 BFLD 1448 303 H1 S9E-1 1751-1 1310 C129S DUPONT S9 689 Tap TRACY S1 BLOOMFIELD ROOD 347 328 Q143N-1 Q143N-3 RI Import G18 WATER STREET PHILLIPS LANE 667 1732-3 3557 UXBRIDGE SOUTH WRENTHAM 69kV 1037 1207 C2 342-1 690/FV 1788 1732-1 1256 1756 1751-2 1873 EAST HARTFORD MANCHESTER 1742 1621 Q143N-2 F19-2 SMITHFLD SALISBURY CANTON N.E. SIMSBURY D182N C181N AUBURN TORR TERM. Weingart Rd Jct. 1722 WHITINS POND 1900 NW HARTFORD SW HARTFORD 1786-1 1786-2 E20-2 Q143 L1 MARSHFIELD 115kV 303 191-1 1732-2 368 R144-5 BERRY ST

1726 1704 1132 RI Import 191-3

W. CT Import 1767 KILLINGLY

LEEDS RIVERSIDE DR EAST BRIDGEWATER 191-2 RI Import RI R144N-1 R144N-2 Lower SEMA\ East RI Import CAMPVILLE THOMASTON BRISTOL FORESTVILLE 327 D182S-3 KINGSTON DUXBURY NY-95 CHIPPEN HILL FARMINGTON SOUTH MEADOW 3424 M1-1 NY-92 3348 C181-3 331 310 1505-1 1607-1 328 366 315 315 194 117-3 342-1 PLSVY-SMITH 1854 1921 1835 1810-4 1825 1783-1 1775-1 1775-2 MILL STREET 1346 KLEEN LAKE ROAD N. ATTLEBORO 117-1

WEST FARNUM F19-1 ATHENS 1191 1773 M1-2 1800 341 341 H17-1_OLD H17-3 H17-2 RIVERSIDE J16 132 1854 1810-3 Lake Ave 1810-1 1783-2 E20-1 BLACK ROCK IRON MINE HILL FARNUM D182S-2 MIDDLEBORO BROOK ST WEST POND NEWINGTON W. CT Import WOONSOCKET WASHINGTON NY-91 NY_F84 Jct. HOPEWELL H17W H17-1 HIGHLAND PK G18 NE-NY W. CT Import CT Import/Export 398 352 352 329 ROCKY HILL 1132 V148N 133 PLST_VLY 1783-3 330 R9 116 CRKT_VLY LONG MOUNTAIN FROST BRIDGE 1759 T172N-2 J16S C181-2 344 E1 355 SWCT Import 1785 BROOKLYN CANTERBURY 331 1670-3 EAST NEW BRITAIN 3533 3271 B23 NY_F83 1820 Q143S-2 STAPLES CARVER DCT PILGRIM 1163-1 1163-2 1752 PORTLAND MANSFIELD BRIDGEWATER TODD 1316-1 S171N-2 VALLEY 1238 Reservoir Rd NASONVILLE R144-4 V148S-1 BULLS BRIDGE 1555 1813 Noera_St Tap 1769 LAUREL ENERGY 1220 1505-2 1607-1 ROCKY RIVER CARMEL HILL 1550-1 Jct. N.O. Q10 356 342-3 1830 1670-2 S8-4 CARD WILLIMANTIC FARNUM PIKE P11-2 321 BERLIN 1766 DOOLEY A24-1 1771 WEST SIDE 384 S171N C181-1 V5-3 1618 1445 1721 1550-2 1163-3 1765 CLARKSON 1340-2 1210 RAYNHAM 127 NY-F31 JORDAN FREIGHT 3041 V148S-3 ROBINSON AVE. WEST BROOKFIELD NOERA_ST 1910 SCOVILL RK. 1316-3 1316-3 N.O. EASTON TAP SOUTHINGTON PUTNAM PIKE 342-2 1668 3041 376 WOLF HILL K15 CHARTLEY POND S8-2 1887-1 1080-1 R144-2 A24-2 322 1622 1550-3 3754 CANAL MIDDLE RIVER SHAWS HILL BUNKER HILL 1690 387-1 FRY BROOK N.O. Q143S-4 V148S-2 U6-2 129 NY_F30 C181S TAUNTON 1887-2 SHEPAUG BATES ROCK 1272 1950 P11-1 BIRD ROAD SEMASS CANAL Jct. 1050 1443 Brkfld_J 3754 376 399 HANOVER 383 S171N T172N READ STREET D182S-1 Semass Tap WOOD_ST Lucchini 1712 ADMIRAL ST 1337 1270 362 DCT F184N-3 362 V5-2

1485 Plainfield Tap 1340-3 1029-2 364 HARTFORD AVE. STONY HILL 1843 BESECK HADDAM NECK W BARSTABLE NY-F37 NY-F36 WATERBRY BALDWIN Baldwin PLAINFIELD SWANSEA Tap SOUTH NAUGATUCK 3827 332 S171-1 128 134 TRIANGLE 1789 3827 359 R144-3 Q143S-5 PHILLIPSDALE X3N-3 DIGHTON 120 137 E_FISHKL 1887-3 1029-3 3252 1490 W4N HATHAWAY ST 126 121 115 135 1505-4 1607-2 JOHNSTON F106 X3N-1 1268 1355-1 S171-3 E105 W4S-1 1165 1363 SANDY HOOK MIDDLETOWN E183W-2 GRNDARMY 1340-1 1029-1 T172S-3 VALLEYNB 122-1 PAVE PAWS 1588 1466 LISBON X3S-1 1142 1208 COLONY NORTH WALLINGFORD WELLFLEET 321 1760 1043 1232 TOWANTIC RISE E183W-1 122-2 V5-1

FRANKLIN SQUARE W4S-2 PLUMTREE NEWTOWN STEVENSON 387-1 1080-3 1080-4 Phillipsdale Horse Pd. Tap

X3S-2 113 1619 310 364 U6-1 Tap E183W-3 SANDWICH 125 1560-1 1403 1610-1 S171-4 T172S-4 PAWTUCKET S8-1 TREMONT BOURNE

1565-1 Wawecus Jct 3403AB OXFORD 1630 1572 1620 WAMPANOAG 108 122-3 Derby WALLINGFORD 1316-2 X3N-4 T7-2 N.O. 1565-3 Jct.(1) ANSONIA NORTH HAVEN RIDGEWOOD SHUNPIKE X3N-2 POTTRSVL N.O. ORLEANS RIDGEFIELD 1560-3 Glen Lake 1675 F184N-1 137 OAK ST 1319 3252 W. CT Import STOCKHOUSE BEAN HILL TUNNEL E183-1 112-1 114-1 3403A B 1565-2 Jct. DUNNL_PK T7-1 118-2 139-2 1580 S171S-1 T172S-7 122-4 1560-2 1594 BEACON FALLS 348 MINK STREET 118-1 PEACEABLE 1610-2 8600 1070 BLACKBURN PONTIAC AVE. SOCKANOSSET Hoyts Hill MIX AVENUE HADDAM 1000-2 W. CRANSTON N_LONDON MANOMET 107-1 MASHPEE BARNSTABLE Harwich Tap 1470-2 INDIAN WELL 1808-2 1808-1 1507 CMEEC WAREHAM 1470-3 POOTATCK FT HILL FARMS E183-2 139-1 139-3 315 N12-1 327 1808-3 1655 S171S-2 T172S-5 M13-4 3403-2 Derby Jct.(2) 1772 M13N-2 123 119-1 1470-1 PIERCE P & W AIRCRAFT J188-6 J188-5 J188-1 J188-3 J188-4 BRISTLRI SWCT Import 139-5 QUINNIPIAC E183E 1241 1610-3 84004 1466 1000-3 F184S 1080-2 Cranston/1 DRUMROCK ROCHESTER OTIS 136-2 124 Archer Lane WILTON 1483 1090 DUDLEY STREET F184N-2 E183-4 W. CT Import CT Import/Export SWCT Import 1545 HARWICH TRAP FALLS 1975 I187-5 I187-1 I187-6 I187-3 I187-4 F184N-4 New England-New York EAST MERIDEN WARREN BRAYTON POINT SYKES RD 112-2 114-2 1640 8400 1000-1 K189 G185N Meriman HYANNIS JCT 119-3 1682 1730 SACKETT 8300 332 1637 1714 1261 1598 364 E183-3 Tap M13N-1 107-2 3403C D WESTON TRUMBULL DEVON 1 JUNE_ST 1280-1 KILVERT LINCOLN AVE HATCHVILLE 139-4 9550 KENT CO. N12-2 Mendall Road 131 119-2 1710-3 MONTVILLE RI Import 112-4 1776 3827 9502 1738 1508 359 N.O. MILL RIVER BRANFORD STEPSTONE GREEN HILL BOKUM 1410 OLD BAPTIST RD BELL ROCK N.O. 136-1 LOTHROP AVE Norwalk Jct 371 G185S-2 L190-3 CRYSTAL SPRING 1222 1710-2 LEGEND LSEMA\ERI Imp M13-8_OLD INDUSTRIAL PARK HAWTHORNE OLD TOWN BROADWAY 1250 L190-5 L14-4 114-3 3403-1 1710-1 1342 L190-1 L190-2 M13-5 D21 FALMOUTH TAP 4606 8301 111-1 CEDAR HEIGHTS 1720 1537 387-1 UNCASVILLE Whipple Bangor Hydro-Electric Company EMI TIVERTON M13-8 WING LANE 1522 3280 3165 Davisville HIGH HILL 112-5 4605 9500 1605-1 WICKFORD G185S-4 G185S-3 Tiverton 114-4 107W 136E MERCHANTS WAY CANDLE NORWALK EAST DEVON 1235 Jct. Tap L14-5 Tap N.O. SINGER Eversource (NSTAR - North) 112-6 8500 L190-5_OLD 1792 1734 3921 WATER STREET GRAND AVE. 1500-1 109-1 FALMOUTH 1753 3922 3619 BRANFORD RR 111-2 1880-3 1389 1350 DAVISVILLE Central Maine Power M13-1 M13-3 112-7 ARSENE FLANDERS 1500-3 BUDDINGTON TOWER HILL 1440 1880-2 DEVON RR 8700 1280-3 L190S-5 Bent Rd. WATERSIDE GLENBROOK FLAX HILL 1697 1497 MILFORD 1460 G185S-1 Eversource (NSTAR - South) CANONICUS DARTMOUTH ACUSHNET Rowayton Jct. 1617 Cohanzie L190S-4 L14-1 1955 1790-3 1650 89003B-1 387-2 L14-3 1740 UNION AVE Jct. L14-7 N.O. 1640 8200 Conn. Municipal Elec. Co-op. TRANSMISSION LINES LEGEND East-West/RI Import 1867-3 1867-2 EAST SHORE Totoket Jct. WATERFORD CT Import/Export WEST KINGSTON 111-3 1450 1151 DEVON 2 1605-3 MYSTIC_NU M13-7 130 BPT_5CC 8702 BI WIND National Grid USA 143 142 Underground Cable 1943 1685 WEST RIVER 8100 M13-2 L14-2 310 383 1790-1 371 JEPSON 1780 348 1870N CROSS RD Direct Current 1703 COS COB 1977-3 1608-1 L14-8 1880-1 1867-1 88003A-1 1500-2 1605-2 Eversource (NSTAR-West, PSNH) 1790-2 89005B BATES STREET PINE STREET KENYON 345 KV 1020 1750-1 COMPO 1130 8809A-2 8904B 89003B-3 109-2 111-4 DEVON TIE WOODMONT WILLIAMS 1465 SOUTHEND PEQUONNOCK ALLINGS CROSSING MILLSTONE United Illuminating Company GREENWICH 91001 8909B-2 DEXTER EUA 230 KV 1750-2 Ely Ave 1608-3 ASH CREEK 88005A 8804A 88003A-3 1870 FISHER ROAD W. CT Import 1985 1365 UNITIL 115 KV, 138kV 1977-1 1608-2 SONO 1870S-1 1870S-2 1943 MILVON SHUNOCK CHASE HILL WOOD RIVER <115 KV TOMAC ELM WEST BPT. RESCO CONGRESS NLONDNCT Vermont Electric Power Company, Inc. 1146 1430 89006B DARIEN 1243 NORWALK HBR BRIDGEPORT ENERGY HALVARSSON Public/Municipals/Sub_Transmission SHERWOOD BARNUM Converter DCT Double Ckt Tower Interface 1028 88006A Cross Sound Cable Privately Owned & Other 1578 BAIRD FITCH Generator(s) Split Bus SASCO CK. CSC Interface N.O.= Normally Open 481 Reactive Devices Phase Shifter or 601 SWCT Import 602 603 NNC Interface Load Tap Transformer ISO NEW ENGLAND, INC SYSTEM DIAGRAM PS01 NY-863 NY-681 Revision 09/14/2021 WILDWOOD SHOREHAM NORTHPORT ELWOOD Version EMS 3.2.3 PLGRM_NY NY-867 NY-678 NY-891 For Transmission System Reference Only NY-677 MILLERPL ISO-PUBLIC NY-672 NY-879 Hard Copy Uncontrolled WADNGRV HARD COPY UNCONTROLLED NY-679