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

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