Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/50225
EIA plant 50225
Portland · Cumberland · ME
Regional Waste Systems
Operated by Ecomaine
Published location
Where is Regional Waste Systems?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
43.655600, -70.334700
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 ME 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.
17,745
27,369
37,569
45,605
58,157
67,471
87,978
97,669
106,290
118,361
128,056
MWh net generation · 2024 final edition · EIA 923 represented operating rows. 11 of 11 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 | 7,745 |
| 2 | 7,369 |
| 3 | 7,569 |
| 4 | 5,605 |
| 5 | 8,157 |
| 6 | 7,471 |
| 8 | 7,978 |
| 9 | 7,669 |
| 10 | 6,290 |
| 11 | 8,361 |
| 12 | 8,056 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 7,745 MWh |
| 2 | 7,369 MWh |
| 3 | 7,569 MWh |
| 4 | 5,605 MWh |
| 5 | 8,157 MWh |
| 6 | 7,471 MWh |
| 8 | 7,978 MWh |
| 9 | 7,669 MWh |
| 10 | 6,290 MWh |
| 11 | 8,361 MWh |
| 12 | 8,056 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| TG1 | Municipal Solid Waste | MSW | 13.3 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
50225
Sector
IPP Non-CHP
Water source
Portland/Cooling Tower
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 Regional Waste Systems 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 Regional Waste Systems
Variation in the published months
Across 11 numeric monthly generation entries, 11 has the highest recorded value (8,361 MWh) and 4 the lowest (5,605 MWh). Their difference is 2,756 MWh. Missing months have not been treated as zero.
Generator capacity in different operating conditions
| Generator ID | Technology | Nameplate MW | Summer MW | Winter MW | Minimum load MW |
|---|---|---|---|---|---|
| TG1 | Municipal Solid Waste | 13.3 | 11.5 | 11.5 | 3.0 |
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.