Symbol Grade Name Industry
AEE Grade f Ameren Corporation Multiline Utilities
AEP Grade f American Electric Power Company, Inc. Electric Utilities
AES Grade b The AES Corporation Electric Utilities
AGR Grade d Avangrid, Inc. Multiline Utilities
ALE Grade f Allete, Inc. Electric Utilities
ARTNA Grade c Artesian Resources Corporation - Class A Non-Voting Water Supply & Irrigation Systems
AT Grade d Atlantic Power Corporation Electric Utilities
ATO Grade f Atmos Energy Corporation Natural Gas Utilities
AVA Grade c 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 c 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 c 8point3 Energy Partners LP Renewable Utilities
CDZI Grade c Cadiz, Inc. Water Supply & Irrigation Systems
CIG Grade d Comp En De Mn Cemig Renewable Utilities
CIG.C Grade d Comp En De Mn Cemig ADS Renewable Utilities
CMS Grade f CMS Energy Corporation Multiline Utilities
CNP Grade d CenterPoint Energy, Inc (Holding Co) Multiline Utilities
CPK Grade f Chesapeake Utilities Corporation Natural Gas Distribution
CPL Grade f CPFL Energia S.A. Electric Utilities
CPN Grade a Calpine Corporation Electric Utilities
CTWS Grade f Connecticut Water Service, Inc. Water Supply & Irrigation Systems
CWCO Grade b Consolidated Water Co. Ltd. Water Supply & Irrigation Systems
CWT Grade c California Water Service Group Water Utilities
D Grade f Dominion Resources, Inc. Electric Utilities
DTE Grade f DTE Energy Company Electric Utilities
DUK Grade f Duke Energy Corporation (Holding Company) Electric Utilities
ED Grade f 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 f El Paso Electric Company Electric Utilities
EIX Grade f Edison International Electric Utilities
ELP Grade d Companhia Paranaense de Energia (COPEL) Electric Utilities
ENIA Grade b Enersis Americas S.A. Electric Utilities
ENIC Grade b Enersis Chile S.A. Electric Utilities
EOCC Grade b Empresa Nacional de Electricidad S.A. Electric Utilities
ES Grade f Eversource Energy (D/B/A) Electric Utilities
ETR Grade f Entergy Corporation Electric Utilities
EXC Grade d Exelon Corporation Electric Utilities
FE Grade f FirstEnergy Corporation Electric Utilities
GLBL Grade a TerraForm Global, Inc. Renewable 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 d Huaneng Power Intl Fossil Fuel IPPs
HTM Grade c U.S. Geothermal Inc. Electric Utilities
IDA Grade f IDACORP, Inc. Electric Utilities
JE Grade f Just Energy Group, Inc. Natural Gas Distribution
KEN Grade b Kenon Holdings Ltd. Electric Utilities
KEP Grade f Korea Electric Power Corporation Electric Utilities
LNT Grade f Alliant Energy Corporation Electric Utilities
MDU Grade f 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 d NextEra Energy, Inc. Renewable Utilities
NEP Grade b 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 f NewJersey Resources Corporation Natural Gas Distribution
NRG Grade d NRG Energy, Inc. Electric Utilities
NWE Grade f NorthWestern Corporation Electric Utilities
NWN Grade f Northwest Natural Gas Company Natural Gas Utilities
OGE Grade f OGE Energy Corporation Electric Utilities
OGS Grade f ONE Gas, Inc. Natural Gas Distribution
OPTT Grade f Ocean Power Technologies, Inc. Electric Utilities
ORA Grade a Ormat Technologies, Inc. Electric Utilities
OTTR Grade d Otter Tail Corporation Electric Utilities
PAM Grade c Pampa Energia S.A. Electric Utilities
PCG Grade f Pacific Gas & Electric Co. Electric Utilities
PCYO Grade b Pure Cycle Corporation Water Utilities
PEG Grade d Public Service Enterprise Group Incorporated Electric Utilities
PEGI Grade d Pattern Energy Group Inc. Independent Power Producers
PNM Grade f PNM Resources, Inc. (Holding Co.) Electric Utilities
PNW Grade f Pinnacle West Capital Corporation Electric Utilities
POR Grade f Portland General Electric Co Electric Utilities
PPL Grade f PP&L Corporation Multiline Utilities
RGCO Grade d RGC Resources Inc. Natural Gas Distribution
SBS Grade b 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 f Spark Energy, Inc. Electric Utilities
SR Grade f Spire Inc. Natural Gas Utilities
SRE Grade f Sempra Energy Multiline Utilities
SWX Grade f Southwest Gas Corporation Natural Gas Distribution
TAC Grade f TransAlta Corporation Renewable Utilities
TERP Grade f TerraForm Power, Inc. Renewable Utilities
UGI Grade f UGI Corporation Natural Gas Distribution
UTL Grade f UNITIL Corporation Electric Utilities
VSLR Grade d Vivint Solar, Inc. Renewable Utilities
VST Grade b Vistra Energy Corp. Electric Utilities
VVC Grade f Vectren Corporation Natural Gas Utilities
VVPR Grade f VivoPower International PLC Renewable Utilities
WAAS Grade f AquaVenture Holdings Limited Water Utilities
WEC Grade f Wisconsin Energy Corporation Electric Utilities
WGL Grade d WGL Holdings Inc Natural Gas Utilities
WR Grade f Westar Energy, Inc. Electric Utilities
WTR Grade d Aqua America, Inc. Water Utilities
XEL Grade f Xcel Energy Inc. Electric Utilities
YORW Grade f The York Water Company Water Supply & Irrigation Systems

Symbol Grade Name Industry
AEE Grade f Ameren Corporation Multiline Utilities
AEP Grade f American Electric Power Company, Inc. Electric Utilities
AES Grade b The AES Corporation Electric Utilities
AGR Grade d Avangrid, Inc. Multiline Utilities
ALE Grade f Allete, Inc. Electric Utilities
ARTNA Grade c Artesian Resources Corporation - Class A Non-Voting Water Supply & Irrigation Systems
AT Grade d Atlantic Power Corporation Electric Utilities
ATO Grade f Atmos Energy Corporation Natural Gas Utilities
AVA Grade c 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 c 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 c 8point3 Energy Partners LP Renewable Utilities
CDZI Grade c Cadiz, Inc. Water Supply & Irrigation Systems
CIG Grade d Comp En De Mn Cemig Renewable Utilities
CIG.C Grade d Comp En De Mn Cemig ADS Renewable Utilities
CMS Grade f CMS Energy Corporation Multiline Utilities
CNP Grade d CenterPoint Energy, Inc (Holding Co) Multiline Utilities
CPK Grade f Chesapeake Utilities Corporation Natural Gas Distribution
CPL Grade f CPFL Energia S.A. Electric Utilities
CPN Grade a Calpine Corporation Electric Utilities
CTWS Grade f Connecticut Water Service, Inc. Water Supply & Irrigation Systems
CWCO Grade b Consolidated Water Co. Ltd. Water Supply & Irrigation Systems
CWT Grade c California Water Service Group Water Utilities
D Grade f Dominion Resources, Inc. Electric Utilities
DTE Grade f DTE Energy Company Electric Utilities
DUK Grade f Duke Energy Corporation (Holding Company) Electric Utilities
ED Grade f 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 f El Paso Electric Company Electric Utilities
EIX Grade f Edison International Electric Utilities
ELP Grade d Companhia Paranaense de Energia (COPEL) Electric Utilities
ENIA Grade b Enersis Americas S.A. Electric Utilities
ENIC Grade b Enersis Chile S.A. Electric Utilities
EOCC Grade b Empresa Nacional de Electricidad S.A. Electric Utilities
ES Grade f Eversource Energy (D/B/A) Electric Utilities
ETR Grade f Entergy Corporation Electric Utilities
EXC Grade d Exelon Corporation Electric Utilities
FE Grade f FirstEnergy Corporation Electric Utilities
GLBL Grade a TerraForm Global, Inc. Renewable 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 d Huaneng Power Intl Fossil Fuel IPPs
HTM Grade c U.S. Geothermal Inc. Electric Utilities
IDA Grade f IDACORP, Inc. Electric Utilities
JE Grade f Just Energy Group, Inc. Natural Gas Distribution
KEN Grade b Kenon Holdings Ltd. Electric Utilities
KEP Grade f Korea Electric Power Corporation Electric Utilities
LNT Grade f Alliant Energy Corporation Electric Utilities
MDU Grade f 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 d NextEra Energy, Inc. Renewable Utilities
NEP Grade b 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 f NewJersey Resources Corporation Natural Gas Distribution
NRG Grade d NRG Energy, Inc. Electric Utilities
NWE Grade f NorthWestern Corporation Electric Utilities
NWN Grade f Northwest Natural Gas Company Natural Gas Utilities
OGE Grade f OGE Energy Corporation Electric Utilities
OGS Grade f ONE Gas, Inc. Natural Gas Distribution
OPTT Grade f Ocean Power Technologies, Inc. Electric Utilities
ORA Grade a Ormat Technologies, Inc. Electric Utilities
OTTR Grade d Otter Tail Corporation Electric Utilities
PAM Grade c Pampa Energia S.A. Electric Utilities
PCG Grade f Pacific Gas & Electric Co. Electric Utilities
PCYO Grade b Pure Cycle Corporation Water Utilities
PEG Grade d Public Service Enterprise Group Incorporated Electric Utilities
PEGI Grade d Pattern Energy Group Inc. Independent Power Producers
PNM Grade f PNM Resources, Inc. (Holding Co.) Electric Utilities
PNW Grade f Pinnacle West Capital Corporation Electric Utilities
POR Grade f Portland General Electric Co Electric Utilities
PPL Grade f PP&L Corporation Multiline Utilities
RGCO Grade d RGC Resources Inc. Natural Gas Distribution
SBS Grade b 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 f Spark Energy, Inc. Electric Utilities
SR Grade f Spire Inc. Natural Gas Utilities
SRE Grade f Sempra Energy Multiline Utilities
SWX Grade f Southwest Gas Corporation Natural Gas Distribution
TAC Grade f TransAlta Corporation Renewable Utilities
TERP Grade f TerraForm Power, Inc. Renewable Utilities
UGI Grade f UGI Corporation Natural Gas Distribution
UTL Grade f UNITIL Corporation Electric Utilities
VSLR Grade d Vivint Solar, Inc. Renewable Utilities
VST Grade b Vistra Energy Corp. Electric Utilities
VVC Grade f Vectren Corporation Natural Gas Utilities
VVPR Grade f VivoPower International PLC Renewable Utilities
WAAS Grade f AquaVenture Holdings Limited Water Utilities
WEC Grade f Wisconsin Energy Corporation Electric Utilities
WGL Grade d WGL Holdings Inc Natural Gas Utilities
WR Grade f Westar Energy, Inc. Electric Utilities
WTR Grade d Aqua America, Inc. Water Utilities
XEL Grade f Xcel Energy Inc. Electric Utilities
YORW Grade f The York Water Company Water Supply & Irrigation Systems