Sudbury Landfill
20 Boston Post Road, Sudbury, MA 1776Plant Summary Information
Sudbury Landfill is ranked #505 out of 541 solar farms in Massachusetts in terms of total annual net electricity generation.
Sudbury Landfill generated 281.0 MWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Sudbury Landfill |
|---|---|
| Utility Name | Heliovaas LLC |
| Location | Middlesex County, MA |
| Initial Operation Date | December 2013 |
| Last Update | Dec 2025 |
| Annual Generation | 1.3 GWh |
| Annual Consumption | 4.7 k MMBtu |
| Ranked #11,832 out of 13,081 Power Plants Nationwide | |
| Ranked #6,589 out of 7,015 Solar Power Plants Nationwide | |
| Ranked #602 out of 648 Massachusetts Power Plants | |
| Ranked #505 out of 541 Massachusetts Solar Power Plants | |
| Fuel Types | Solar |
| Previous Operator |
Solar Sudbury One LF LLC (2013 to 2020) Heliovaas LLC (2021 to 2025) |
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Monthly Net Generation for Sudbury Landfill
Monthly Plant Fuel Consumption for Sudbury Landfill
Sudbury Landfill Details
| Summary Information | |
|---|---|
| Plant Name | Sudbury Landfill (58839) |
| Plant Address | 20 Boston Post Road, Sudbury, MA 1776 |
| Utility | Heliovaas LLC (59286) |
| Latitude, Longitude | 42.36389, -71.385 |
| Generation Dates on File | Dec 2013 to Dec 2025 |
| Initial Operation Date | December 2013 |
| Annual Generation | 1.3 GWh |
| Fuel Types | Solar |
| 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 | Non-Regulated |
| NERC Region | NPCC |
| Balancing Authority | ISO New England Inc. (ISNE) |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | |
| Ash Impoundment | No |
| Transmission / Distribution Owner | NSTAR Electric Company (54913) MA |
| Grid Voltage | 13.80 kV |
| Energy Storage | No |
Generator INV1 Details Operating December 2013
| Technology | Solar Photovoltaic |
|---|---|
| Prime Mover | Photovoltaic |
| Ownership | Wholly Owned by Other Entity |
| Nameplate Capacity | 0.5 MW |
| Summer Capacity | 0.5 MW |
| Winter Capacity | 0.5 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | December 2013 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Solar |
| Solar Details | |
| Fixed Tilt | Yes |
|---|---|
| Azimuth Angle | 180 |
| Tilt Angle | 25 |
| DC Net Capacity | 0.6 MW |
| Crystalline Silicon | Yes |
| Net Metering Agreement | No |
| Virtual Net Metering Agreement | Yes |
| Virtual Net Metering DC Capacity | 0.5 MW |
Generator INV2 Details Operating December 2013
| Technology | Solar Photovoltaic |
|---|---|
| Prime Mover | Photovoltaic |
| Ownership | Wholly Owned by Other Entity |
| Nameplate Capacity | 0.3 MW |
| Summer Capacity | 0.3 MW |
| Winter Capacity | 0.3 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | December 2013 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Solar |
| Solar Details | |
| Fixed Tilt | Yes |
|---|---|
| Azimuth Angle | 180 |
| Tilt Angle | 25 |
| DC Net Capacity | 0.4 MW |
| Crystalline Silicon | Yes |
| Net Metering Agreement | No |
| Virtual Net Metering Agreement | Yes |
| Virtual Net Metering DC Capacity | 0.4 MW |
Generator INV3 Details Operating December 2013
| Technology | Solar Photovoltaic |
|---|---|
| Prime Mover | Photovoltaic |
| Ownership | Wholly Owned by Other Entity |
| Nameplate Capacity | 0.5 MW |
| Summer Capacity | 0.5 MW |
| Winter Capacity | 0.5 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | December 2013 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Solar |
| Solar Details | |
| Fixed Tilt | Yes |
|---|---|
| Azimuth Angle | 180 |
| Tilt Angle | 25 |
| DC Net Capacity | 0.6 MW |
| Crystalline Silicon | Yes |
| Net Metering Agreement | No |
| Virtual Net Metering Agreement | Yes |
| Virtual Net Metering DC Capacity | 0.5 MW |
Sudbury Landfill Plant Owners
| Owner Name | Address | Generator | Ownership |
|---|---|---|---|
| Solar Sudbury One LF LLC | 265 State Street, Springfield, MA 1103 | Generator INV1 | 100.00% |
| Solar Sudbury One LF LLC | 265 State Street, Springfield, MA 1103 | Generator INV2 | 100.00% |
| Solar Sudbury One LF LLC | 265 State Street, Springfield, MA 1103 | Generator INV3 | 100.00% |
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Nearby Power Plants
Below are closest 20 power plants surrounding Sudbury Landfill.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Acton Solar Landfill | Acton, MA | 475.0 MWh | 7.9 mi |
| Ashland Solar | Ashland, MA | 6.4 GWh | 8.7 mi |
| Centaurus Solar - MA | Ashland, MA | 3.1 GWh | 7.9 mi |
| Cherry Street | Hudson, MA | 320.0 MWh | 9.1 mi |
| Concord Solar Farm | Concord, MA | 1.9 GWh | 6.1 mi |
| DDR Shoppers World | Framingham, MA | 1.9 GWh | 4.4 mi |
| DG Webster LLC CSG | Webster, MA | 2.1 GWh | 7.4 mi |
| Exelon Framingham LLC | Framingham, MA | 1.2 GWh | 6.7 mi |
| Framingham State University Plant | Framingham, MA | 38.0 MWh | 5.2 mi |
| GELD Solar Farm | Groton, MA | 3.3 GWh | 9.2 mi |
| Hudson | Hudson, MA | 5.4 GWh | 8.4 mi |
| Kearsarge Concord II | Concord, MA | 6.6 GWh | 6.2 mi |
| Maynard PV | Maynard, MA | 1.2 GWh | 5.1 mi |
| Natick Mall | Natick, MA | 3.6 GWh | 4.4 mi |
| Newton Rumford Landfill | Newton, MA | 2.2 GWh | 7.2 mi |
| Stow PV | Stow, MA | 2.5 GWh | 8 mi |
| Town of Lexington Solar | Lexington, MA | 2.5 GWh | 9.8 mi |
| Town of Needham VNEM CSG | Needham, MA | 4.1 GWh | 8.8 mi |
| Wellesley College Central Utility Plant | Wellesley, MA | 9.6 GWh | 6.2 mi |
| Weston Landfill Solar | Weston, MA | 2.8 GWh | 5.3 mi |