Symbol Grade Name Industry
AEE Grade d Ameren Corporation Multiline Utilities
AEP Grade d American Electric Power Company, Inc. Electric Utilities
AES Grade d The AES Corporation Electric Utilities
AGR Grade b Avangrid, Inc. Multiline Utilities
ALE Grade d Allete, Inc. Electric Utilities
ARTNA Grade d Artesian Resources Corporation - Class A Non-Voting Water Supply & Irrigation Systems
AT Grade d Atlantic Power Corporation Electric Utilities
ATO Grade d Atmos Energy Corporation Natural Gas Utilities
AVA Grade b Avista Corporation Multiline Utilities
AWK Grade d American Water Works Company, Inc. Water Supply & Irrigation Systems
AWR Grade c American States Water Company Water Utilities
AY Grade d Atlantica Yield plc Electric Utilities
AZRE Grade b Azure Power Global Limited Equity Shares Renewable Utilities
BEP Grade d Brookfield Renewable Energy Partners LP Partnership Units (Bermuda) Renewable IPPs
BKH Grade f Black Hills Corporation Multiline Utilities
CAFD Grade f 8point3 Energy Partners LP Renewable Utilities
CDZI Grade b Cadiz, Inc. Water Supply & Irrigation Systems
CIG Grade a Comp En De Mn Cemig Renewable Utilities
CIG.C Grade b Comp En De Mn Cemig ADS Renewable Utilities
CMS Grade d CMS Energy Corporation Multiline Utilities
CNP Grade d CenterPoint Energy, Inc (Holding Co) Multiline Utilities
CPK Grade d Chesapeake Utilities Corporation Natural Gas Distribution
CPL Grade b CPFL Energia S.A. Electric Utilities
CPN Grade a Calpine Corporation Electric Utilities
CTWS Grade d Connecticut Water Service, Inc. Water Supply & Irrigation Systems
CWCO Grade b Consolidated Water Co. Ltd. Water Supply & Irrigation Systems
CWT Grade d California Water Service Group Water Utilities
D Grade d Dominion Resources, Inc. Electric Utilities
DTE Grade d DTE Energy Company Electric Utilities
DUK Grade d Duke Energy Corporation (Holding Company) Electric Utilities
ED Grade d Consolidated Edison, Inc. Electric Utilities
EDN Grade a Empresa Distribuidora Y Comercializadora Norte S.A. (Edenor) Empresa Distribuidora Y Comercializadora Norte S.A. (Edenor) Electric Utilities
EE Grade d El Paso Electric Company Electric Utilities
EIX Grade d Edison International Electric Utilities
ELP Grade b Companhia Paranaense de Energia (COPEL) Electric Utilities
ENIA Grade a Enersis Americas S.A. Electric Utilities
ENIC Grade a Enersis Chile S.A. Electric Utilities
EOCC Grade a Empresa Nacional de Electricidad S.A. Electric Utilities
ES Grade d Eversource Energy (D/B/A) Electric Utilities
ETR Grade d Entergy Corporation Electric Utilities
EXC Grade d Exelon Corporation Electric Utilities
FE Grade a FirstEnergy Corporation Electric Utilities
GNE Grade d Genie Energy Ltd. Class B Stock Multiline Utilities
GWRS Grade d Global Water Resources, Inc. Water Supply & Irrigation Systems
GXP Grade d Great Plains Energy Incorporated Electric Utilities
HE Grade d Hawaiian Electric Industries, Inc. Electric Utilities
HNP Grade f Huaneng Power Intl Fossil Fuel IPPs
HTM Grade a U.S. Geothermal Inc. Electric Utilities
IDA Grade d IDACORP, Inc. Electric Utilities
JE Grade a Just Energy Group, Inc. Natural Gas Distribution
KEN Grade a Kenon Holdings Ltd. Electric Utilities
KEP Grade f Korea Electric Power Corporation Electric Utilities
LNT Grade d Alliant Energy Corporation Electric Utilities
MDU Grade a MDU Resources Group, Inc. Multiline Utilities
MGEE Grade f MGE Energy Inc. Electric Utilities
MSEX Grade d Middlesex Water Company Water Supply & Irrigation Systems
NEE Grade b NextEra Energy, Inc. Renewable Utilities
NEP Grade c NextEra Energy Partners, LP Renewable IPPs
NFG Grade f National Fuel Gas Company Natural Gas Utilities
NGG Grade f National Grid Transco, PLC Multiline Utilities
NI Grade f NiSource Inc Multiline Utilities
NJR Grade d NewJersey Resources Corporation Natural Gas Distribution
NRG Grade c NRG Energy, Inc. Electric Utilities
NWE Grade f NorthWestern Corporation Electric Utilities
NWN Grade d Northwest Natural Gas Company Natural Gas Utilities
OGE Grade d OGE Energy Corporation Electric Utilities
OGS Grade d ONE Gas, Inc. Natural Gas Distribution
OPTT Grade d Ocean Power Technologies, Inc. Electric Utilities
ORA Grade c Ormat Technologies, Inc. Electric Utilities
OTTR Grade d Otter Tail Corporation Electric Utilities
PAM Grade c Pampa Energia S.A. Electric Utilities
PCG Grade d Pacific Gas & Electric Co. Electric Utilities
PCYO Grade c Pure Cycle Corporation Water Utilities
PEG Grade c Public Service Enterprise Group Incorporated Electric Utilities
PEGI Grade d Pattern Energy Group Inc. Independent Power Producers
PNM Grade d PNM Resources, Inc. (Holding Co.) Electric Utilities
PNW Grade d Pinnacle West Capital Corporation Electric Utilities
POR Grade f Portland General Electric Co Electric Utilities
PPL Grade d PP&L Corporation Multiline Utilities
RGCO Grade d RGC Resources Inc. Natural Gas Distribution
SBS Grade a Companhia de saneamento Basico Do Estado De Sao Paulo Water Utilities
SCG Grade d SCANA Corporation Electric Utilities
SJI Grade f South Jersey Industries, Inc. Natural Gas Distribution
SJW Grade d SJW Corporation Water Supply & Irrigation Systems
SKYS Grade f Sky Solar Holdings, Ltd. Renewable IPPs
SO Grade f Southern Company (The) Electric Utilities
SPKE Grade d Spark Energy, Inc. Electric Utilities
SR Grade d Spire Inc. Natural Gas Utilities
SRE Grade c Sempra Energy Multiline Utilities
SWX Grade f Southwest Gas Corporation Natural Gas Distribution
TAC Grade d TransAlta Corporation Renewable Utilities
TERP Grade c TerraForm Power, Inc. Renewable Utilities
UGI Grade f UGI Corporation Natural Gas Distribution
UTL Grade d UNITIL Corporation Electric Utilities
VSLR Grade d Vivint Solar, Inc. Renewable Utilities
VST Grade b Vistra Energy Corp. Electric Utilities
VVC Grade d Vectren Corporation Natural Gas Utilities
VVPR Grade f VivoPower International PLC Renewable Utilities
WAAS Grade d AquaVenture Holdings Limited Water Utilities
WEC Grade d Wisconsin Energy Corporation Electric Utilities
WGL Grade f WGL Holdings Inc Natural Gas Utilities
WR Grade d Westar Energy, Inc. Electric Utilities
WTR Grade c Aqua America, Inc. Water Utilities
XEL Grade d Xcel Energy Inc. Electric Utilities
YORW Grade d The York Water Company Water Supply & Irrigation Systems

Symbol Grade Name Industry
AEE Grade d Ameren Corporation Multiline Utilities
AEP Grade d American Electric Power Company, Inc. Electric Utilities
AES Grade d The AES Corporation Electric Utilities
AGR Grade b Avangrid, Inc. Multiline Utilities
ALE Grade d Allete, Inc. Electric Utilities
ARTNA Grade d Artesian Resources Corporation - Class A Non-Voting Water Supply & Irrigation Systems
AT Grade d Atlantic Power Corporation Electric Utilities
ATO Grade d Atmos Energy Corporation Natural Gas Utilities
AVA Grade b Avista Corporation Multiline Utilities
AWK Grade d American Water Works Company, Inc. Water Supply & Irrigation Systems
AWR Grade c American States Water Company Water Utilities
AY Grade d Atlantica Yield plc Electric Utilities
AZRE Grade b Azure Power Global Limited Equity Shares Renewable Utilities
BEP Grade d Brookfield Renewable Energy Partners LP Partnership Units (Bermuda) Renewable IPPs
BKH Grade f Black Hills Corporation Multiline Utilities
CAFD Grade f 8point3 Energy Partners LP Renewable Utilities
CDZI Grade b Cadiz, Inc. Water Supply & Irrigation Systems
CIG Grade a Comp En De Mn Cemig Renewable Utilities
CIG.C Grade b Comp En De Mn Cemig ADS Renewable Utilities
CMS Grade d CMS Energy Corporation Multiline Utilities
CNP Grade d CenterPoint Energy, Inc (Holding Co) Multiline Utilities
CPK Grade d Chesapeake Utilities Corporation Natural Gas Distribution
CPL Grade b CPFL Energia S.A. Electric Utilities
CPN Grade a Calpine Corporation Electric Utilities
CTWS Grade d Connecticut Water Service, Inc. Water Supply & Irrigation Systems
CWCO Grade b Consolidated Water Co. Ltd. Water Supply & Irrigation Systems
CWT Grade d California Water Service Group Water Utilities
D Grade d Dominion Resources, Inc. Electric Utilities
DTE Grade d DTE Energy Company Electric Utilities
DUK Grade d Duke Energy Corporation (Holding Company) Electric Utilities
ED Grade d Consolidated Edison, Inc. Electric Utilities
EDN Grade a Empresa Distribuidora Y Comercializadora Norte S.A. (Edenor) Empresa Distribuidora Y Comercializadora Norte S.A. (Edenor) Electric Utilities
EE Grade d El Paso Electric Company Electric Utilities
EIX Grade d Edison International Electric Utilities
ELP Grade b Companhia Paranaense de Energia (COPEL) Electric Utilities
ENIA Grade a Enersis Americas S.A. Electric Utilities
ENIC Grade a Enersis Chile S.A. Electric Utilities
EOCC Grade a Empresa Nacional de Electricidad S.A. Electric Utilities
ES Grade d Eversource Energy (D/B/A) Electric Utilities
ETR Grade d Entergy Corporation Electric Utilities
EXC Grade d Exelon Corporation Electric Utilities
FE Grade a FirstEnergy Corporation Electric Utilities
GNE Grade d Genie Energy Ltd. Class B Stock Multiline Utilities
GWRS Grade d Global Water Resources, Inc. Water Supply & Irrigation Systems
GXP Grade d Great Plains Energy Incorporated Electric Utilities
HE Grade d Hawaiian Electric Industries, Inc. Electric Utilities
HNP Grade f Huaneng Power Intl Fossil Fuel IPPs
HTM Grade a U.S. Geothermal Inc. Electric Utilities
IDA Grade d IDACORP, Inc. Electric Utilities
JE Grade a Just Energy Group, Inc. Natural Gas Distribution
KEN Grade a Kenon Holdings Ltd. Electric Utilities
KEP Grade f Korea Electric Power Corporation Electric Utilities
LNT Grade d Alliant Energy Corporation Electric Utilities
MDU Grade a MDU Resources Group, Inc. Multiline Utilities
MGEE Grade f MGE Energy Inc. Electric Utilities
MSEX Grade d Middlesex Water Company Water Supply & Irrigation Systems
NEE Grade b NextEra Energy, Inc. Renewable Utilities
NEP Grade c NextEra Energy Partners, LP Renewable IPPs
NFG Grade f National Fuel Gas Company Natural Gas Utilities
NGG Grade f National Grid Transco, PLC Multiline Utilities
NI Grade f NiSource Inc Multiline Utilities
NJR Grade d NewJersey Resources Corporation Natural Gas Distribution
NRG Grade c NRG Energy, Inc. Electric Utilities
NWE Grade f NorthWestern Corporation Electric Utilities
NWN Grade d Northwest Natural Gas Company Natural Gas Utilities
OGE Grade d OGE Energy Corporation Electric Utilities
OGS Grade d ONE Gas, Inc. Natural Gas Distribution
OPTT Grade d Ocean Power Technologies, Inc. Electric Utilities
ORA Grade c Ormat Technologies, Inc. Electric Utilities
OTTR Grade d Otter Tail Corporation Electric Utilities
PAM Grade c Pampa Energia S.A. Electric Utilities
PCG Grade d Pacific Gas & Electric Co. Electric Utilities
PCYO Grade c Pure Cycle Corporation Water Utilities
PEG Grade c Public Service Enterprise Group Incorporated Electric Utilities
PEGI Grade d Pattern Energy Group Inc. Independent Power Producers
PNM Grade d PNM Resources, Inc. (Holding Co.) Electric Utilities
PNW Grade d Pinnacle West Capital Corporation Electric Utilities
POR Grade f Portland General Electric Co Electric Utilities
PPL Grade d PP&L Corporation Multiline Utilities
RGCO Grade d RGC Resources Inc. Natural Gas Distribution
SBS Grade a Companhia de saneamento Basico Do Estado De Sao Paulo Water Utilities
SCG Grade d SCANA Corporation Electric Utilities
SJI Grade f South Jersey Industries, Inc. Natural Gas Distribution
SJW Grade d SJW Corporation Water Supply & Irrigation Systems
SKYS Grade f Sky Solar Holdings, Ltd. Renewable IPPs
SO Grade f Southern Company (The) Electric Utilities
SPKE Grade d Spark Energy, Inc. Electric Utilities
SR Grade d Spire Inc. Natural Gas Utilities
SRE Grade c Sempra Energy Multiline Utilities
SWX Grade f Southwest Gas Corporation Natural Gas Distribution
TAC Grade d TransAlta Corporation Renewable Utilities
TERP Grade c TerraForm Power, Inc. Renewable Utilities
UGI Grade f UGI Corporation Natural Gas Distribution
UTL Grade d UNITIL Corporation Electric Utilities
VSLR Grade d Vivint Solar, Inc. Renewable Utilities
VST Grade b Vistra Energy Corp. Electric Utilities
VVC Grade d Vectren Corporation Natural Gas Utilities
VVPR Grade f VivoPower International PLC Renewable Utilities
WAAS Grade d AquaVenture Holdings Limited Water Utilities
WEC Grade d Wisconsin Energy Corporation Electric Utilities
WGL Grade f WGL Holdings Inc Natural Gas Utilities
WR Grade d Westar Energy, Inc. Electric Utilities
WTR Grade c Aqua America, Inc. Water Utilities
XEL Grade d Xcel Energy Inc. Electric Utilities
YORW Grade d The York Water Company Water Supply & Irrigation Systems