Harding Street

3700 South Harding Street, Indianapolis, IN 46217

Plant Summary Information

Harding Street is ranked #12 out of 208 power plants in Indiana in terms of total annual net electricity generation.

Harding Street is comprised of 10 generators and generated 980.9 GWh during the 3-month period between June 2025 to September 2025.

Plant Name	Harding Street
Utility Name	AES Indiana
Location	Marion County, IN
Initial Operation Date	June 1958
Last Update	Sep 2025
Annual Generation	3.1 TWh
Annual Consumption	40.9 M MMBtu
Ranked #379 out of 12,539 Power Plants Nationwide
Ranked #225 out of 2,243 Natural Gas Power Plants Nationwide
Ranked #12 out of 208 Indiana Power Plants
Ranked #5 out of 46 Indiana Natural Gas Power Plants
Fuel Types	Natural Gas
Previous Operator	Indianapolis Power & Light Co (2013 to 2022) AES Indiana (2023 to 2024)

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Monthly Net Generation for Harding Street

Harding Street Details

Summary Information
Plant Name	Harding Street (990)
Plant Address	3700 South Harding Street, Indianapolis, IN 46217
Utility	AES Indiana (9273)
Latitude, Longitude	39.71132, -86.19687
Generation Dates on File	Jan 2001 to Sep 2025
Initial Operation Date	June 1958
Annual Generation	3.1 TWh
Fuel Types	Natural Gas

Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration Status	No
FERC Small Power Producer Status	No
FERC Exempt Wholesale Generator Status	No

Regulatory Information
Regulatory Status	Regulated
NERC Region	RFC
Balancing Authority	Midcontinent Independent Transmission System Operator, Inc.. (MISO)
NAICS Code	Utilities (22)
Sector	Electric Utility (1)
Water Source	West fork of White River
Ash Impoundment	Yes Not Lined Out of Service
Transmission / Distribution Owner	Indianapolis Power & Light Co (9273) IN
Grid Voltage	138.00 kV
Energy Storage	Yes

Natural Gas Information
Local Distribution Company (LDC)	CITIZENS ENERGY GROUP
Natural Gas Storage	No

* Data obtained from the 2024 EIA 860 Report

Generator 5 Details Operating June 1958

Technology	Natural Gas Steam Turbine
Prime Mover	Steam Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	IPL.16STOU5O5
RTO ISO Location Designation For Reporting Wholesale Sales Data	IPL.16STOU5O5
Nameplate Capacity	100 MW
Nameplate Power Factor	0.85
Summer Capacity	101 MW
Winter Capacity	101 MW
Minimum Load	30 MW
Uprate/Derate Completed	No
Status	Operating

First Operation Date	June 1958
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Natural Gas / Distillate Fuel Oil
Startup Source	Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	OVER
Pulverized Coal Technology	No
Subcritical Technology	No
Multiple Fuels	Yes
Switch Between Oil And Natural Gas	No

Generator 6 Details Operating May 1961

Technology	Natural Gas Steam Turbine
Prime Mover	Steam Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	IPL.16STOU6O6
RTO ISO Location Designation For Reporting Wholesale Sales Data	IPL.16STOU6O6
Nameplate Capacity	100 MW
Nameplate Power Factor	0.85
Summer Capacity	99 MW
Winter Capacity	99 MW
Minimum Load	30 MW
Uprate/Derate Completed	No
Status	Operating

First Operation Date	May 1961
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Natural Gas / Distillate Fuel Oil
Startup Source	Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	OVER
Pulverized Coal Technology	No
Subcritical Technology	No
Multiple Fuels	Yes
Switch Between Oil And Natural Gas	No

Generator IC1 Details Operating April 1967

Technology	Petroleum Liquids
Prime Mover	Internal Combustion Engine
Ownership	Single Owner
Nameplate Capacity	2.7 MW
Nameplate Power Factor	0.8
Summer Capacity	3 MW
Winter Capacity	3 MW
Minimum Load	0.1 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	April 1967
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	No

Generator GT1 Details Operating May 1973

Technology	Petroleum Liquids
Prime Mover	Combustion Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	IPL.16STOUTR1
RTO ISO Location Designation For Reporting Wholesale Sales Data	IPL.16STOUTR1
Nameplate Capacity	26 MW
Nameplate Power Factor	0.9
Summer Capacity	19.1 MW
Winter Capacity	27.4 MW
Minimum Load	5 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	May 1973
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	No

Generator GT2 Details Operating May 1973

Technology	Petroleum Liquids
Prime Mover	Combustion Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	IPL.16STOUTR1
RTO ISO Location Designation For Reporting Wholesale Sales Data	IPL.16STOUTR1
Nameplate Capacity	26 MW
Nameplate Power Factor	0.9
Summer Capacity	17.9 MW
Winter Capacity	22.6 MW
Minimum Load	5 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	May 1973
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	No

Generator 7 Details Operating July 1973

Technology	Natural Gas Steam Turbine
Prime Mover	Steam Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	IPL.16STOU7O7
RTO ISO Location Designation For Reporting Wholesale Sales Data	IPL.16STOU7O7
Nameplate Capacity	463 MW
Nameplate Power Factor	0.85
Summer Capacity	418 MW
Winter Capacity	418 MW
Minimum Load	130 MW
Uprate/Derate Completed	No
Status	Operating

First Operation Date	July 1973
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Natural Gas / Distillate Fuel Oil
Startup Source	Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	OVER
Pulverized Coal Technology	No
Subcritical Technology	No
Multiple Fuels	Yes
Switch Between Oil And Natural Gas	No

Generator GT4 Details Operating April 1994

Technology	Natural Gas Fired Combustion Turbine
Prime Mover	Combustion Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	IPL.16STOC4C4
RTO ISO Location Designation For Reporting Wholesale Sales Data	IPL.16STOC4C4
Nameplate Capacity	83 MW
Nameplate Power Factor	0.8
Summer Capacity	67 MW
Winter Capacity	67 MW
Minimum Load	45 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	April 1994
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Natural Gas / Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	Yes
Cofire Fuels	No
Switch Between Oil And Natural Gas	Yes

Multifuel Details
Switch When Operating	Yes
Net Summer Capacity With Natural Gas	67 MW
Net Winter Capacity With Natural Gas	67 MW
Net Summer Capacity With Oil	67 MW
Net Winter Capacity With Oil	67 MW
Time To Switch From Gas To Oil	1H
Time To Switch From Oil To Gas	1H
Factors That Limit Switching	Yes
Storage Limits	Yes
Air Permit Limits	Yes

Generator GT5 Details Operating January 1995

Technology	Natural Gas Fired Combustion Turbine
Prime Mover	Combustion Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	IPL.16STOC5C5
RTO ISO Location Designation For Reporting Wholesale Sales Data	IPL.16STOC5C5
Nameplate Capacity	83 MW
Nameplate Power Factor	0.8
Summer Capacity	67 MW
Winter Capacity	67 MW
Minimum Load	45 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	January 1995
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Natural Gas / Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	Yes
Cofire Fuels	No
Switch Between Oil And Natural Gas	Yes

Multifuel Details
Switch When Operating	Yes
Net Summer Capacity With Natural Gas	67 MW
Net Winter Capacity With Natural Gas	67 MW
Net Summer Capacity With Oil	67 MW
Net Winter Capacity With Oil	67 MW
Time To Switch From Gas To Oil	1H
Time To Switch From Oil To Gas	1H
Factors That Limit Switching	Yes
Storage Limits	Yes
Air Permit Limits	Yes

Generator GT6 Details Operating May 2002

Technology	Natural Gas Fired Combustion Turbine
Prime Mover	Combustion Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	IPL.16STOUCC6
RTO ISO Location Designation For Reporting Wholesale Sales Data	IPL.16STOUCC6
Nameplate Capacity	161 MW
Nameplate Power Factor	0.85
Summer Capacity	154 MW
Winter Capacity	154 MW
Minimum Load	90 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	May 2002
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Natural Gas
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	No

Generator BAT1 Details Operating June 2016

Technology	Batteries
Prime Mover	Battery
Ownership	Single Owner
Nameplate Capacity	20 MW
Summer Capacity	20 MW
Winter Capacity	20 MW
Minimum Load	0.1 MW
Uprate/Derate Completed	No
Status	Operating

First Operation Date	June 2016
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Electricity used for energy storage
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	10M
Multiple Fuels	No

Energy Storage Details
Nameplate Energy Capacity MWH	20
Maximum Charge Rate	20 MW
Maximum Discharge Rate	20 MW
Storage Technology	LIB
Nameplate Reactive Power Rating	20
Storage Enclosure Type	BL
Frequency Regulation	P
Direct Support Of Another Unit	No
Support T D Asset	No

Harding Street Plant Owners

Owner Name	Address	Generator	Ownership
*We couldn't locate any owners for this plant*

Power Plants with Similar Net Generation

Power plants with a similar annual net generation from Natural Gas.

Rank	Plant Name	Plant Location	Annual Generation
#215	Zeltmann	Astoria, NY	3.2 TWh
#216	Bear Garden	New Canton, VA	3.2 TWh
#217	Wildcat Point Generation Facility	Conowingo, MD	3.2 TWh
#218	Jim Bridger	Point of Rocks, WY	8.0 TWh
#219	Wolf Hollow I LP	Granbury, TX	3.1 TWh
#220	Harry Allen	Las Vegas, NV	3.1 TWh
#221	Klamath Cogeneration Plant	Klamath Falls, OR	3.1 TWh
#222	Kings Mountain Energy Center	Kings Mountain, NC	3.1 TWh
#223	Kleen Energy Systems Project	Middletown, CT	3.1 TWh
#224	Chattahoochee Energy Facility	Franklin, GA	3.1 TWh
#226	Quail Run Energy Center	Odessa, TX	3.1 TWh
#227	Gila River Power Block 3	Gila Bend, AZ	3.1 TWh
#228	Bobby C Smith Jr Energy Facility	Rincon, GA	3.0 TWh
#229	Hobbs Generating Station	Hobbs, NM	3.0 TWh
#230	Elk Hills Power LLC	Tupman, CA	3.0 TWh
#231	Carville Energy LLC	St Gabriel, LA	3.0 TWh
#232	Granite Ridge	Londonderry, NH	3.0 TWh
#233	Gateway Generating Station	Antioch, CA	3.0 TWh
#234	Fore River Generating Station	North Weymouth, MA	3.1 TWh
#235	Gila River Power Block 2	Gila Bend, AZ	3.0 TWh

Nearby Power Plants

Below are closest 20 power plants surrounding Harding Street.

Plant Name	Plant Location	Annual Generation	Distance
Belmont	Indianapolis, IN	5.2 GWh	0.6 mi
CC Perry K	Indianapolis, IN	6.5 GWh	3.9 mi
Duke Building 129	Indianapolis, IN	4.4 GWh	14 mi
Duke Building 87	Indianapolis, IN	3.5 GWh	12.8 mi
Duke Building 98	Indianapolis, IN	4.2 GWh	13.8 mi
Georgetown	Indianapolis, IN	466.1 GWh	13.4 mi
Hurricane Creek Lift Station	Greenwood, IN	143.0 MWh	8.5 mi
IND Community Solar Farm 1st Phase	Indianapolis, IN	13.7 GWh	6.4 mi
IND Solar Farm (Phase IIA)	Indianapolis, IN	9.8 GWh	6.7 mi
Indianapolis Motor Speedway Solar PV	Indianapolis, IN	12.7 GWh	5.8 mi
Indy Grocers	Indianapolis, IN	1.2 GWh	2.8 mi
INDY III	Indianapolis, IN	3.4 GWh	6.3 mi
Indy Solar I, LLC	Indianapolis, IN	16.0 GWh	11.7 mi
Indy Solar II, LLC	Indianapolis, IN	15.5 GWh	11.7 mi
Indy Solar III, LLC	Indianapolis, IN	13.4 GWh	4.9 mi
Lenape II	Indianapolis, IN	5.1 GWh	9.3 mi
M. G. Emmett J. Bean Federal Center	Indianapolis, IN	519.0 MWh	13.8 mi
Maywood Photovoltaic Project	Indianapolis, IN	11.5 GWh	2.5 mi
Rockville Solar I LLC	Indianapolis, IN	3.4 GWh	6.6 mi
Rockville Solar II, LLC	Indianapolis, IN	812.0 MWh	6.7 mi