Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/51030
EIA plant 51030
Harrisville · Providence · RI
Ocean State Power
Operated by Ocean State Power Co
Published location
Where is Ocean State Power?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
42.009722, -71.668909
Open the interactive map ↗Map data © OpenStreetMap contributors
Capacity is not generation. Nameplate MW describes equipment; annual MWh describes recorded output. Proposed and retired units are not added to operating capacity.
Equipment mix
Operating capacity by technology
Grouped from this plant’s represented generator records. Use the RI plant index for regional peers.
See the evidence
Electricity output across the year
Monthly net generation shows the seasonal shape of this plant's represented output. A negative value is retained when the source reports net consumption.
176,967
255,346
341,048
495,638
596,477
6118,856
7156,364
8107,710
9119,122
10164,686
1184,468
1266,045
MWh net generation · 2024 final edition · EIA 923 represented operating rows. 12 of 12 supplied rows shown; 0 missing values omitted. Months with no reported numeric value are omitted, not treated as zero.
Read the chart as a table
| Record | MWh net generation |
|---|---|
| 1 | 76,967 |
| 2 | 55,346 |
| 3 | 41,048 |
| 4 | 95,638 |
| 5 | 96,477 |
| 6 | 118,856 |
| 7 | 156,364 |
| 8 | 107,710 |
| 9 | 119,122 |
| 10 | 164,686 |
| 11 | 84,468 |
| 12 | 66,045 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 76,967 MWh |
| 2 | 55,346 MWh |
| 3 | 41,048 MWh |
| 4 | 95,638 MWh |
| 5 | 96,477 MWh |
| 6 | 118,856 MWh |
| 7 | 156,364 MWh |
| 8 | 107,710 MWh |
| 9 | 119,122 MWh |
| 10 | 164,686 MWh |
| 11 | 84,468 MWh |
| 12 | 66,045 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| GEN3 | Natural Gas Fired Combined Cycle | NG | 88.6 | OP |
| GEN1 | Natural Gas Fired Combined Cycle | NG | 82.8 | OP |
| GEN2 | Natural Gas Fired Combined Cycle | NG | 82.8 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
51030
Sector
IPP Non-CHP
Water source
Blackstone River
Data edition
2024-final
Use this record
Questions this evidence can answer
01What exactly is this record?
Use the name, place, date and identifiers above to confirm that you have the right Ocean State Power power plant: capacity and generation | PowerPlantFacts record.
02What does the evidence establish?
Read the reported values with their units, coverage dates and source notes. Keep observed facts separate from estimates or interpretation.
03What should I verify next?
Follow the primary-source links and check the limitations before using this evidence for a decision, comparison or citation.
A closer look at Ocean State Power
Variation in the published months
Across 12 numeric monthly generation entries, 10 has the highest recorded value (164,686 MWh) and 3 the lowest (41,048 MWh). Their difference is 123,638 MWh. Missing months have not been treated as zero.
Reading the MW column
In the 3 numeric rows displayed in this table, MW ranges from 82.8 (GEN1, GEN2) to 88.6 (GEN3). The difference is 5.8 in the column's stated units. This summary covers the displayed rows and retains the table's period and scope.
Generator capacity in different operating conditions
| Generator ID | Technology | Nameplate MW | Summer MW | Winter MW | Minimum load MW |
|---|---|---|---|---|---|
| GEN1 | Natural Gas Fired Combined Cycle | 82.8 | 71.2 | 77.8 | 45.0 |
| GEN2 | Natural Gas Fired Combined Cycle | 82.8 | 71.2 | 77.8 | 45.0 |
| GEN3 | Natural Gas Fired Combined Cycle | 88.6 | 76.2 | 83.3 | 38.0 |
EIA-860 2024 final source. Ratings describe capacity, not actual generation or availability. Missing ratings are not zero.
Source: US Energy Information Administration Form EIA-860 2024 plant and operable-generator workbooks; archive 2024. US EIA-authored information is generally public domain; cite EIA, preserve third-party exceptions, changes and no-endorsement context. Source-specific derived data.