Sønnå H – Overview
Sønnå H is a Kraftverk-type hydropower plant [1] located in Sauda municipality, Rogaland county [2][3]. The facility has been in operation since 10 July 2008 [4] and is registered with the Norwegian Water Resources and Energy Directorate (NVE) under ID 1422 [5].
The plant operates within the Saudavassdraget watershed system [6], which forms the hydrological foundation for power generation in this region. As a facility in the NO2 electricity price zone [7], Sønnå H participates in the Nordic wholesale power market and is connected to the Norwegian transmission grid.
Ownership and Concession
Sønnå H is held under concession by Aktieselskabet Saudefaldene [8], the primary rights holder for this facility. The concession status with NVE is currently active [9], confirming the plant's operational authorization and compliance standing.
For detailed information about the concession holder's portfolio, regulatory history, and corporate structure, visit the owner profile.
Hydrological Context
The plant draws water from the Saudavassdraget watershed [10], a critical catchment area in Rogaland. Understanding the hydrology of this system is essential for assessing seasonal availability, precipitation patterns, and long-term water resource reliability—factors that directly influence energy output and investment performance.
Detailed hydrological data, including inflow statistics and runoff characteristics, are available to registered users on the HydroSec platform.
Regional and Grid Infrastructure
Location: Sauda, Rogaland [11] Electricity Price Zone: NO2 [12] Nearest Statnett Transmission Station: Approximately 0.5 km away, 300 kV connection [13] Nearby Industrial Hub: Sauda (Eramet operations), approximately 2 km away [14]
The proximity to major transmission infrastructure and industrial demand centres positions Sønnå H within a strategically important energy corridor. The NO2 zone encompasses much of western Norway and reflects regional supply-demand dynamics.
Data Centre Suitability Assessment
HydroSec rates Sønnå H with a Grade A for data centre hosting eligibility [15]. This assessment reflects the facility's technical characteristics, grid connectivity, and operational stability, indicating suitability for mission-critical infrastructure applications.
The Grade A rating is qualitative and based on multiple factors including proximity to transmission capacity, cooling water availability, and facility reliability. Specific capacity thresholds and detailed scoring components are disclosed to registered institutional investors.
What Unlocks After Registration
The HydroSec platform provides additional analytical layers for authenticated users:
- Detailed Technical Specifications: Maximum capacity, average annual production, gross head, and turbine configuration
- Advanced Hydrological Data: Inflow time series, seasonal variability, drought risk metrics, and precipitation correlation
- Infrastructure Analysis: Detailed grid connection specifications, substation capacity, and transmission constraints
- Financial Benchmarking: Comparative metrics across similar facilities and regional cohorts
- Sub-Scores: Granular ratings for grid stability, water availability, and operational risk
These datasets enable institutional investors, asset managers, and family offices to conduct thorough due diligence and scenario analysis.
Risks and Limitations
Data Completeness: This overview presents publicly available information from NVE and HydroSec. Detailed operational metrics, financial projections, and hydrological forecasts require platform registration.
Regulatory Risk: Hydropower concessions in Norway are subject to periodic review, environmental requirements, and potential modifications by NVE. Investors should monitor regulatory developments affecting the Saudavassdraget system.
Hydrological Variability: Water availability in Norwegian watersheds fluctuates seasonally and annually. Historical inflow data does not guarantee future performance. Climate patterns and precipitation anomalies can materially affect output.
Market Risk: Electricity prices in the NO2 zone are subject to Nordic wholesale market dynamics, including cross-border flows, renewable generation patterns, and demand fluctuations.
Grid Constraints: While Sønnå H benefits from proximity to transmission infrastructure, grid congestion or maintenance events may temporarily limit export capacity.
No Guarantee of Returns: This page provides factual plant data only. It does not constitute investment advice, financial forecasting, or return guarantees. Prospective investors must conduct independent analysis and consult qualified advisors before making investment decisions.