NYISO Market Participant List 7/21/2021 To contact Stakeholder Services please call (518) 356-6060 or email [email protected]

Account Name Stakeholder Services Representative 1 11772244 Canada Inc. Barbara Kappes 2 3M Company Kasia Shunk 3 Abest Power & Gas, LLC Dave Hooper 4 ABN Energy, LLC Dave Hooper 5 Accent Energy Midwest II LLC dba IGS Energy Dave Hooper 6 ACT Commodities Inc. Patrick Venable 7 Aesir Power, LLC Tyler Casavant 8 Aggressive Energy, LLC Kerry Maerki 9 Agway Energy Services, LLC Chris Tamasi 10 Albany Energy LLC Patrick Venable 11 All American Power and Gas, LLC Jim Scheckton 12 All Choice Energy, LLC Dave Hooper 13 Alpha Gas and Electric, LLC Dave Hooper 14 Alphataraxia Nickel LLC Kasia Shunk 15 Ambit New York, LLC Dave Hooper 16 American Power & Gas, LLC Kerry Maerki 17 American PowerNet Management, LP Dave Hooper 18 AP Gas & Electric (NY), LLC dba APG&E Chris Tamasi 19 AP Gas & Electric (TX), LLC Chris Tamasi 20 Appian Way Energy Partners East, LLC Diana Ortiz 21 Approved Energy II LLC Patrick Venable 22 Ardor Energy Limited Liability Company Tyler Casavant 23 Arkwright Summit Wind Farm LLC Patrick Venable 24 ASC Energy Services Inc. Dave Hooper 25 Astoria Energy II, LLC Kerry Maerki 26 Astoria Energy LLC Kerry Maerki 27 Astoria Generating Company L.P. Kerry Maerki 28 Astral Energy LLC Dave Hooper 29 Atlantic Energy, LLC Kasia Shunk 30 Atlantic Power and Gas LLC Chris Tamasi 31 ATNV Energy, LP Tyler Casavant 32 Avangrid Renewables, LLC Jim Scheckton 33 Axon Energy, LLC Diana Ortiz 34 Axpo U.S. LLC Barbara Kappes 35 Barclays Services Corporation Jim Scheckton Account Name Stakeholder Services Representative 36 Bayonne Energy Center, LLC Jim Scheckton 37 Big Bend Trading, LLC Kasia Shunk 38 BioUrja Power, LLC Diana Ortiz 39 BJ Energy LLC Kerry Maerki 40 Blackout Power Trading Inc. Kerry Maerki 41 Black River Hydroelectric, LLC Patrick Venable 42 Blueprint Power Technologies Inc. Dave Hooper 43 Boralex Hydro Operations Inc Patrick Venable 44 Boston Energy Trading and Marketing LLC Diana Ortiz 45 BP Energy Company Patrick Venable 46 Brookfield Energy Marketing LP Diana Ortiz 47 Brookfield Renewable Energy Marketing US LLC Diana Ortiz 48 Brookfield Renewable Trading and Marketing LP Diana Ortiz 49 Broome Energy Resources, LLC Barbara Kappes 50 Brown's Energy Services LLC Patrick Venable 51 Bruce Power Inc. Dave Hooper 52 Buy Energy Direct, LLC Barbara Kappes 53 Calpine Energy Services LP Tyler Casavant 54 Calpine Energy Solutions, LLC Jim Scheckton 55 Canandaigua Power Partners, LLC Diana Ortiz 56 Canastota Windpower LLC Barbara Kappes 57 Carr Street Generating Station LP Diana Ortiz 58 Cassadaga Wind LLC Chris Tamasi 59 Castleton Commodities Merchant Trading L.P. Chris Tamasi 60 Castleton Power, LLC Dave Hooper 61 CECONY-LSE Chris Tamasi 62 Central Hudson Gas & Electric Corp. Kerry Maerki 63 Centre Lane Trading Ltd. Jim Scheckton 64 Centrica Business Solutions Optimize, LLC Barbara Kappes 65 Champion Energy Services, LLC Kasia Shunk 66 Chief Energy Power, LLC Jim Scheckton 67 Citigroup Energy Inc. Patrick Venable 68 Citizens Choice Energy, LLC dba AmeriChoice Energy Kasia Shunk 69 City of Niagara Falls Kasia Shunk 70 City Power & Gas, LLC Jim Scheckton 71 CleanChoice Energy, Inc. dba Ethical Electric Dave Hooper 72 Clearview Electric, Inc. Dave Hooper 73 COI Energy Services, Inc. Dave Hooper 74 Columbia Utilities Power, LLC Chris Tamasi 75 Con Edison Solutions, Inc. Tyler Casavant 76 ConocoPhillips Company Kasia Shunk 77 Consolidated Edison Co. of New York, Inc. Chris Tamasi 78 Consolidated Edison Energy, Inc. Tyler Casavant 79 Consolidated Power Co., LLC Jim Scheckton 80 Constellation NewEnergy, Inc. Tyler Casavant 81 Convergent Energy and Power LP Patrick Venable 82 County of Erie NY Kasia Shunk 83 County of Niagara NY Kasia Shunk 84 Covanta Niagara, LP Kerry Maerki 85 CP Energy Marketing (US) Inc. Kerry Maerki 86 CPV Towantic, LLC Diana Ortiz Account Name Stakeholder Services Representative 87 CPV Valley, LLC Diana Ortiz 88 Credit Suisse (USA), Inc. Jim Scheckton 89 Cricket Valley Energy Center, LLC Jim Scheckton 90 Cubit Power One Inc. Patrick Venable 91 Cummins Inc Kasia Shunk 92 Curio Analytics Inc. Tyler Casavant 93 CWP Energy Inc. Jim Scheckton 94 Dahlgren Energy LLC Kerry Maerki 95 Danskammer Energy, LLC Tyler Casavant 96 Darby Energy, LLC Kerry Maerki 97 David Energy Supply, LLC Tyler Casavant 98 DC Energy LLC Dave Hooper 99 DC Energy New York, LLC Dave Hooper 100 Direct Energy Business, LLC Jim Scheckton 101 Direct Energy Business Marketing, LLC Jim Scheckton 102 Direct Energy Marketing Inc Jim Scheckton 103 Direct Energy Services, LLC Jim Scheckton 104 DTE Energy Trading Inc Tyler Casavant 105 Dynamis ETF, LLC Chris Tamasi 106 Dynasty Power Inc Kerry Maerki 107 Dynegy Marketing and Trade, LLC (DMT) Kasia Shunk 108 Eagle Creek Hydro Power, LLC Patrick Venable 109 Eagle Power Authority, Inc. Jim Scheckton 110 Eagles Power, LLC Dave Hooper 111 East Coast Power, LLC Dave Hooper 112 EDF Energy Services, LLC Patrick Venable 113 EDF Trading North America, LLC Patrick Venable 114 EDP Renewables North America LLC Jim Scheckton 115 Effinex, LLC Diana Ortiz 116 eKapital NY, LLC Kasia Shunk 117 Eligo Energy, LLC Jim Scheckton 118 Eligo Energy NY, LLC Jim Scheckton 119 Elyctra LLC Chris Tamasi 120 Emera Energy Services, Inc Dave Hooper 121 Emera Energy Services Subsidiary No. 1, LLC Dave Hooper 122 Emera Energy Services Subsidiary No. 15 LLC Dave Hooper 123 Emera Energy Services Subsidiary No. 2 LLC Dave Hooper 124 Emera Energy Services Subsidiary No. 3 LLC Dave Hooper 125 Emera Energy U.S. Subsidiary No. 1, Inc. Dave Hooper 126 Emera Energy U.S. Subsidiary No. 2, Inc. Dave Hooper 127 Empire Generating Co, LLC Patrick Venable 128 Empire Natural Gas Corp. Chris Tamasi 129 EMP Power, LLC Jim Scheckton 130 Enel Trading North America, LLC Barbara Kappes 131 Enel X North America, Inc. Patrick Venable 132 Energya VM Gestion de Energia S.L.U. Tyler Casavant 133 Energy Conservation and Supply, Inc. Kasia Shunk 134 Energy Cooperative of America, Inc dbaEnCoop of NY Kasia Shunk 135 EnergyMark, LLC Dave Hooper 136 Energy Plus Holdings LLC Jim Scheckton 137 Energy Power Investment Company, LLC Diana Ortiz Account Name Stakeholder Services Representative 138 Energy Services Providers, Inc dba NY Gas&Electric Jim Scheckton 139 Energy Spectrum Inc. Chris Tamasi 140 Energy Technology Savings, Inc. dba Logical Buildings Barbara Kappes 141 Enerwise Global Technologies, Inc. dba CPower Tyler Casavant 142 Engelhart CTP (US) LLC Kasia Shunk 143 ENGIE Energy Marketing NA, Inc. Patrick Venable 144 ENGIE Power & Gas LLC Patrick Venable 145 ENGIE Resources LLC Patrick Venable 146 ENGIE Retail, LLC Patrick Venable 147 Entergy Nuclear Power Marketing LLC Patrick Venable 148 Entergy Solutions LLC Patrick Venable 149 Erie Boulevard Hydropower LP Diana Ortiz 150 Erie Wind, LLC Diana Ortiz 151 ERY HYMCO LLC Jim Scheckton 152 ETC Endure Energy L.L.C. Chris Tamasi 153 ETS Emerald LLC Barbara Kappes 154 Evergy Kansas Central, Inc. Tyler Casavant 155 Everyday Energy, LLC Chris Tamasi 156 Exelon Generation Company LLC Tyler Casavant 157 Family Energy Inc Chris Tamasi 158 FC Energy Services Company, LLC Chris Tamasi 159 First Choice Energy, LLC Kerry Maerki 160 First Commodities International Inc. Diana Ortiz 161 First Nest LLC Kerry Maerki 162 FiTran Fund LP Diana Ortiz 163 Flanders Energy LLC Kerry Maerki 164 Flat Rock Windpower II LLC Jim Scheckton 165 Flat Rock Windpower LLC Jim Scheckton 166 Freepoint Commodities LLC Kerry Maerki 167 Freepoint Energy Solutions LLC Kerry Maerki 168 Freeport Electric Barbara Kappes 169 Galaxy Energy Holdings, Inc. Jim Scheckton 170 Galilean Electricae LLC Tyler Casavant 171 Galt Power Inc. Barbara Kappes 172 Gateway Energy Services Corporation Jim Scheckton 173 GBE Power Inc. Tyler Casavant 174 Gen IV Investment Opportunities, LLC Jim Scheckton 175 GenOn Energy Management, LLC Dave Hooper 176 Gravity Renewables, Inc. Dave Hooper 177 Great American Gas & Electric, LLC Barbara Kappes 178 Green Island Power Authority Jim Scheckton 179 Greenlight Energy Inc Jim Scheckton 180 Green Mountain Energy Company Jim Scheckton 181 Green Mountain Power Corporation Chris Tamasi 182 GRG Energy LLC Jim Scheckton 183 Grid Power Direct, LLC Chris Tamasi 184 Griffiss Utility Services Corporation Chris Tamasi 185 Group628, LLC Kasia Shunk 186 H.Q. Energy Services (U.S.) Inc. Chris Tamasi 187 Hardscrabble Wind Power LLC Jim Scheckton 188 Hartree Partners, LP Kasia Shunk Account Name Stakeholder Services Representative 189 Helix Ravenswood, LLC Jim Scheckton 190 Homer City Generation, L.P. Diana Ortiz 191 Horizon Energy of New York, LLC Jim Scheckton 192 Howard Wind LLC Kasia Shunk 193 Hudson Energy Services, LLC Dave Hooper 194 Icon Energy, LLC Diana Ortiz 195 IDT Energy, Inc Kasia Shunk 196 In Commodities US LLC Barbara Kappes 197 Indeck-Corinth LP Chris Tamasi 198 Indeck Energy Svs of Silver Springs Chris Tamasi 199 Indeck-Olean LP Chris Tamasi 200 Indeck-Oswego LP Chris Tamasi 201 Indeck-Yerkes LP Chris Tamasi 202 Independence Energy Group LLC dba Cirro Energy Barbara Kappes 203 Indus Valley Strategies LLC Tyler Casavant 204 Inertia Power V, LLC Tyler Casavant 205 Innovative Energy Systems, Inc. Barbara Kappes 206 Innoventive Power LLC Kerry Maerki 207 Inspire Energy Holdings, LLC Kerry Maerki 208 International Paper Company Patrick Venable 209 Invenia Technical Computing Corporation Jim Scheckton 210 IPKeys Power Partners, Inc. Kasia Shunk 211 Islip Resource Recovery Agency Chris Tamasi 212 J. Aron & Company LLC Kasia Shunk 213 Jamestown Board of Public Utilities Jim Scheckton 214 Jericho Rise Wind Farm LLC Jim Scheckton 215 Josco Energy Corp. Kasia Shunk 216 Just Energy New York Corp Dave Hooper 217 Kaleida Health Kasia Shunk 218 KFW Energy Trading, LLC Kasia Shunk 219 Kingston CoGen Limited Partnership Barbara Kappes 220 Kiwi Energy NY LLC Barbara Kappes 221 Leapfrog Power, Inc. Barbara Kappes 222 Liberty Power Holdings LLC Diana Ortiz 223 Lockport Energy Assoc. Dave Hooper 224 Logistic Energy LLC Jim Scheckton 225 Long Island Power Authority Barbara Kappes 226 LS Power Grid New York Corporation I Jim Scheckton 227 Lyonsdale Biomass, LLC Kerry Maerki 228 M&R Energy Resources Corp. Dave Hooper 229 Macquarie Energy LLC Kerry Maerki 230 Macquarie Energy Trading LLC Kerry Maerki 231 Madison Windpower, LLC Jim Scheckton 232 MAG Energy Solutions Inc. Kasia Shunk 233 Major Energy Electric Services, LLC Tyler Casavant 234 Manifold Energy Inc. Kasia Shunk 235 Marathon Power LLC dba Marathon Energy Jim Scheckton 236 Marble River, LLC Jim Scheckton 237 Marsh Hill Energy LLC Kerry Maerki 238 Matador Power Marketing Inc. Diana Ortiz 239 Mayflower Power & Gas LLC Tyler Casavant Account Name Stakeholder Services Representative 240 Median Energy Corp. Jim Scheckton 241 Mercuria Energy America, LLC Chris Tamasi 242 Mercuria SJAK Trading, LLC Chris Tamasi 243 Merrill Lynch Commodities, Inc. Kerry Maerki 244 Messer Energy Services, Inc. Barbara Kappes 245 Metering Authority - Central Hudson Gas and Electr Kerry Maerki 246 Metering Authority - Consolidated Edison of NY Chris Tamasi 247 Metering Authority - Long Island Power Authority Barbara Kappes 248 Metering Authority - New York Power Authority Kasia Shunk 249 Metering Authority - New York State Electric & Gas Tyler Casavant 250 Metering Authority - Niagara Mohawk Diana Ortiz 251 Metering Authority - Orange and Rockland Utilities Chris Tamasi 252 Metering Authority - Rochester Gas and Electric Tyler Casavant 253 MidAmerican Energy Services, LLC Kerry Maerki 254 Midwest Energy Trading East LLC Dave Hooper 255 Mirabito Power & Gas, LLC Kasia Shunk 256 Model City Energy, LLC Barbara Kappes 257 Modern Innovative Energy, LLC Barbara Kappes 258 Monroe County NY Kasia Shunk 259 Morgan Stanley Capital Group, Inc. Diana Ortiz 260 Morgan Stanley Services Group Inc. Jim Scheckton 261 MP2 Energy LLC Barbara Kappes 262 MP2 Energy NE LLC Barbara Kappes 263 MPH Rockaway Peakers, LLC Jim Scheckton 264 MPower Energy LLC Jim Scheckton 265 Munnsville Wind Farm, LLC Tyler Casavant 266 Nalcor Energy Marketing Corporation Diana Ortiz 267 National Gas & Electric, LLC Tyler Casavant 268 Nationwide Energy, LLC Jim Scheckton 269 NDC Partners LLC Tyler Casavant 270 New Athens Generating Company LLC Patrick Venable 271 New Wave Energy Corp Kerry Maerki 272 New York Industrial Energy Buyers, LLC Kasia Shunk 273 New York Municipal Power Agency Kerry Maerki 274 New York Power Authority Kasia Shunk 275 New York State Electric & Gas Corp. Tyler Casavant 276 New York Transco LLC Jim Scheckton 277 NextEra Energy Marketing, LLC Diana Ortiz 278 NextEra Energy Services Massachusetts, LLC Diana Ortiz 279 NextEra Energy Services New York, LLC Diana Ortiz 280 Next Utility Energy LLC Jim Scheckton 281 Nexus Energy Inc. Kasia Shunk 282 Niagara Frontier Transportation Authority Kasia Shunk 283 Niagara Mohawk Power Corp. Diana Ortiz 284 Niagara University Kasia Shunk 285 Niagara Wind Power, LLC Diana Ortiz 286 Nine Mile Point Nuclear Station, LLC Tyler Casavant 287 Nissequogue Cogen Partners Jim Scheckton 288 NOCO Electric LLC Kerry Maerki 289 Nordic Energy Services, LLC Chris Tamasi 290 North American Power and Gas LLC Jim Scheckton Account Name Stakeholder Services Representative 291 Northbrook Lyons Falls, LLC Dave Hooper 292 North Country Data Center Corp Jim Scheckton 293 Northern States Power Company Kasia Shunk 294 Northland Power Energy Marketing (US) Inc. Barbara Kappes 295 Northstar NY Ltd. Diana Ortiz 296 NRG Curtailment Solutions, Inc. Jim Scheckton 297 NRG Power Marketing LLC Jim Scheckton 298 NuEnerGen, LLC Tyler Casavant 299 Nyquist LLC Diana Ortiz 300 NYTCR LLC Patrick Venable 301 Occidental Power Services Inc Tyler Casavant 302 OCP Resources, LLC Tyler Casavant 303 Ontario Power Generation Energy Trading, Inc. Chris Tamasi 304 Ontario Power Generation Inc. Chris Tamasi 305 Open Book Energy, LLC Jim Scheckton 306 Orange & Rockland Utilities, Inc. Chris Tamasi 307 ORU-LSE Chris Tamasi 308 Pacific Summit Energy LLC Dave Hooper 309 Palmco Power NY, LLC Chris Tamasi 310 Pay Less Energy, LLC Kerry Maerki 311 Peninsula Power, LLC Tyler Casavant 312 Phoenix Energy Group, LLC Dave Hooper 313 Plant-E Corp. Kerry Maerki 314 Polaris Power Services LLC Tyler Casavant 315 Power Up Energy, LLC Kasia Shunk 316 Precept Power LLC Kasia Shunk 317 Premier Empire Energy LLC Jim Scheckton 318 PSEG Energy Resource & Trade, LLC Barbara Kappes 319 Public Power, LLC Dave Hooper 320 Pure Energy Inc Jim Scheckton 321 Pure Energy USA, LLC dba Pure Energy Jim Scheckton 322 Quantum Power Corp. Chris Tamasi 323 R.E. Ginna Nuclear Power Plant, LLC Tyler Casavant 324 Rainbow Energy Marketing Corp Kasia Shunk 325 RED-Rochester, LLC Dave Hooper 326 ReEnergy Black River LLC Kerry Maerki 327 Reliant Energy Northeast, LLC dba NRG Retail Solut Jim Scheckton 328 Renaissance Power & Gas, Inc. Dave Hooper 329 Rensselaer Generating LLC Tyler Casavant 330 Residents Energy, LLC Kasia Shunk 331 Rinar Power LLC Kerry Maerki 332 Riverbay Corporation Patrick Venable 333 Robison Energy, LLC Chris Tamasi 334 Robison Energy (Commercial) LLC dba OriginalEnergy Chris Tamasi 335 Rochester Gas & Electric Corp. Tyler Casavant 336 Roctop Investments Inc Tyler Casavant 337 Rodan Energy Solutions (USA) Inc. Chris Tamasi 338 Roseton Generating LLC Tyler Casavant 339 RWE Renewables QSE, LLC Kasia Shunk 340 S.J. Energy Partners, Inc. Jim Scheckton 341 Saracen Energy East LP Diana Ortiz Account Name Stakeholder Services Representative 342 Saracen Energy Midwest LP Diana Ortiz 343 Saracen Energy West LP Diana Ortiz 344 Saracen Power LP Diana Ortiz 345 Saranac Power Partners, L.P. Barbara Kappes 346 SBF New York, L.L.C. Tyler Casavant 347 Schools & Municipal Energy Cooperative (SMEC) Kasia Shunk 348 Selkirk Cogen Partners, L.P. Barbara Kappes 349 Seneca Energy II, LLC Barbara Kappes 350 Seneca Power Partners, L.P. Barbara Kappes 351 SESCO Enterprises LLC Dave Hooper 352 Sheldon Energy LLC Kerry Maerki 353 Shell Energy North America (US), L.P. Barbara Kappes 354 Siemens Industry, Inc Tyler Casavant 355 Sirrius Energy LLC Diana Ortiz 356 SmartEnergy Holdings, LLC Kasia Shunk 357 SmartestEnergy US, LLC Chris Tamasi 358 Smart One Energy, LLC Chris Tamasi 359 SocïVolta Inc. Kerry Maerki 360 Sol Energy, LLC Dave Hooper 361 South Bay Energy Corp. Dave Hooper 362 South Jersey Energy Company Dave Hooper 363 Spark Energy, LLC Tyler Casavant 364 Standard Normal Energy LLC Barbara Kappes 365 Starion Energy NY, Inc Dave Hooper 366 StatArb Investment LLC Dave Hooper 367 State of New York - OGS Jim Scheckton 368 State of New York - OGS Municipal Jim Scheckton 369 State of New York - SUNY Tyler Casavant 370 State of New York - SUNY Buffalo Tyler Casavant 371 Stephentown Spindle, LLC Barbara Kappes 372 Stony Creek Energy LLC Kerry Maerki 373 Stream Energy New York, LLC Dave Hooper 374 SunSea Energy, LLC Chris Tamasi 375 Sunwave Gas & Power New York Inc. Tyler Casavant 376 Sustaining Power Solutions LLC Barbara Kappes 377 Synergy Biogas LLC Patrick Venable 378 Talen Energy Marketing, LLC Dave Hooper 379 TEC Energy Inc. Chris Tamasi 380 Tenaska Power Services Co. Dave Hooper 381 Texas Retail Energy, LLC Dave Hooper 382 Thordin ApS Tyler Casavant 383 Tnergy LLC Patrick Venable 384 Trafigura Trading LLC Patrick Venable 385 TrailStone Power, LLC Chris Tamasi 386 Trane Grid Services LLC Kasia Shunk 387 TransAlta Energy Marketing (U.S.) Inc. Barbara Kappes 388 Transgrid Midwest LLC Diana Ortiz 389 Triton Power Company Patrick Venable 390 TrueLight Energy Fund, LP Jim Scheckton 391 Twin Eagle Resource Management, LLC Kerry Maerki 392 U.S. Energy Partners LLC Chris Tamasi Account Name Stakeholder Services Representative 393 UGI Energy Services, LLC Dave Hooper 394 Uncia Energy, LP - Series F Tyler Casavant 395 Uniper Global Commodities North America LLC Kasia Shunk 396 University of Rochester Kasia Shunk 397 Valcour Altona Windpark, LLC Patrick Venable 398 Valcour Bliss Windpark, LLC Patrick Venable 399 Valcour Chateaugay Windpark, LLC Patrick Venable 400 Valcour Clinton Windpark, LLC Patrick Venable 401 Valcour Ellenburg Windpark, LLC Patrick Venable 402 Valcour Wethersfield Windpark, LLC Patrick Venable 403 Valcour Wind Energy, LLC Patrick Venable 404 VECO Power Trading, LLC Diana Ortiz 405 Verde Energy USA New York, LLC Tyler Casavant 406 Village of Rockville Centre Patrick Venable 407 Viridian Energy NY, LLC Chris Tamasi 408 Viridity Energy Solutions Inc. Chris Tamasi 409 Vitol Inc. Kerry Maerki 410 Voltus, Inc. Dave Hooper 411 Warner Media, LLC Jim Scheckton 412 Watchtower Bible and Tract Society of New York, In Diana Ortiz 413 Western New York Wind Corp. Patrick Venable 414 Wheelabrator Hudson Falls, LLC Kerry Maerki 415 Wheelabrator Westchester, L.P. Kerry Maerki 416 WM Renewable Energy, LLC Barbara Kappes 417 XO Energy NY, LP Kerry Maerki 418 XO Energy NY2, LP Kerry Maerki 419 XOOM Energy, LLC Chris Tamasi 420 XOOM Energy New York, LLC Chris Tamasi 421 Ziarre Trading LLC Kasia Shunk 422 Zone One Energy, LLC Chris Tamasi