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

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