Susitna-Watana Hydroelectric Project
E531681
The Susitna-Watana Hydroelectric Project is a proposed large-scale dam and hydroelectric power development in Alaska intended to generate substantial renewable electricity and support the state’s long-term energy needs.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Susitna Hydroelectric Project (1980s proposal) | 1 |
| Susitna-Watana Hydroelectric Project canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5520919 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Susitna-Watana Hydroelectric Project Context triple: [Susitna River, hasProposedProject, Susitna-Watana Hydroelectric Project]
-
A.
Karot Hydropower Project
The Karot Hydropower Project is a major run-of-river hydroelectric power plant on the Jhelum River in Pakistan, developed under the China–Pakistan Economic Corridor to boost the country’s electricity generation capacity.
-
B.
Punatsangchhu-I Hydroelectric Project
Punatsangchhu-I Hydroelectric Project is a major run-of-the-river hydropower plant under construction in Bhutan, developed with Indian assistance to generate electricity for domestic use and export.
-
C.
Shimsha Hydroelectric Project
Shimsha Hydroelectric Project is one of Karnataka’s early hydroelectric power stations, built on the Shimsha River to generate electricity using its water flow.
-
D.
Hidroituango hydroelectric project
The Hidroituango hydroelectric project is a major dam and power plant development in Colombia, designed to be the country’s largest source of hydroelectric energy.
-
E.
Karuma Hydropower Station
Karuma Hydropower Station is a major hydroelectric power plant in Uganda that harnesses the flow of the Victoria Nile to generate electricity for the national grid.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Susitna-Watana Hydroelectric Project Target entity description: The Susitna-Watana Hydroelectric Project is a proposed large-scale dam and hydroelectric power development in Alaska intended to generate substantial renewable electricity and support the state’s long-term energy needs.
-
A.
Karot Hydropower Project
The Karot Hydropower Project is a major run-of-river hydroelectric power plant on the Jhelum River in Pakistan, developed under the China–Pakistan Economic Corridor to boost the country’s electricity generation capacity.
-
B.
Punatsangchhu-I Hydroelectric Project
Punatsangchhu-I Hydroelectric Project is a major run-of-the-river hydropower plant under construction in Bhutan, developed with Indian assistance to generate electricity for domestic use and export.
-
C.
Shimsha Hydroelectric Project
Shimsha Hydroelectric Project is one of Karnataka’s early hydroelectric power stations, built on the Shimsha River to generate electricity using its water flow.
-
D.
Hidroituango hydroelectric project
The Hidroituango hydroelectric project is a major dam and power plant development in Colombia, designed to be the country’s largest source of hydroelectric energy.
-
E.
Karuma Hydropower Station
Karuma Hydropower Station is a major hydroelectric power plant in Uganda that harnesses the flow of the Victoria Nile to generate electricity for the national grid.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
hydroelectric power project
ⓘ
proposed dam ⓘ |
| concern |
high construction cost
ⓘ
impacts on fish habitat ⓘ impacts on salmon populations ⓘ impacts on wildlife and wilderness ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| damHeight |
approximately 735 feet
ⓘ
over 700 feet ⓘ |
| damType | concrete gravity dam ⓘ |
| energySource | hydropower ⓘ |
| environmentalReviewRequired | National Environmental Policy Act ⓘ |
| estimatedCapacity |
approximately 600 MW
ⓘ
approximately 625 MW ⓘ |
| fundingSource | State of Alaska appropriations ⓘ |
| intendedBenefit |
increase share of renewable energy in Alaska
ⓘ
provide stable long-term electricity prices ⓘ reduce dependence on fossil fuels ⓘ |
| intendedGenerationType | baseload power ⓘ |
| intendedUse | grid-connected power supply ⓘ |
| locatedIn |
Alaska
ⓘ
Matanuska-Susitna Borough ⓘ |
| locatedNear | Watana Canyon ⓘ |
| locatedOnRiver | Susitna River ⓘ |
| majorFeasibilityStudies | 1980s ⓘ |
| oppositionFrom |
environmental groups
ⓘ
some Alaska Native organizations ⓘ |
| owner |
State of Alaska
ⓘ
linked to:
Alaska
|
| planningResumed | 2010 ⓘ |
| planningSuspended | mid-2010s ⓘ |
| planningSuspendedBy |
State of Alaska
ⓘ
linked to:
Alaska
|
| primaryCustomerRegion | Railbelt region of Alaska ⓘ |
| projectedRole | major component of Alaska’s long-term energy strategy ⓘ |
| projectPhase | licensing and feasibility study phase (halted) ⓘ |
| projectScale | large-scale ⓘ |
| purpose |
electricity generation
ⓘ
long-term energy supply for Alaska ⓘ renewable energy production ⓘ |
| region | Southcentral Alaska ⓘ |
| regulatoryAgency | Federal Energy Regulatory Commission ⓘ |
| relatedTo |
Susitna Hydroelectric Project (1980s proposal)
ⓘ
linked to:
Susitna-Watana Hydroelectric Project
|
| requiresLicenseFrom | Federal Energy Regulatory Commission ⓘ |
| reservoirName | Watana Reservoir ⓘ |
| sponsor | Alaska Energy Authority ⓘ |
| state | Alaska ⓘ |
| status |
not constructed
ⓘ
proposed ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Susitna-Watana Hydroelectric Project Description of subject: The Susitna-Watana Hydroelectric Project is a proposed large-scale dam and hydroelectric power development in Alaska intended to generate substantial renewable electricity and support the state’s long-term energy needs.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Susitna-Watana Hydroelectric Project