Electricity distribution and related services – Flextender Winter 2026/2027
TenneT TSO B.V.
In context
This is a contract notice published by a utility covering services. Bids are invited through a framework agreement. Delivery covers Netherlands and the European Union (Europe). It is classified under Energy Storage, Grid Modernization and Renewable Energy against the sustainability taxonomy rather than matched on keywords.
TenneT TSO seeks rental of temporary flexible power capacity (up to 46 MW from generators, battery storage, or hybrid systems) for grid injection in the FGU congestion zone during winter 2026/2027 via a framework agreement with five lot sizes. Bidders must be energy-storage or distributed-generation operators capable of rapid deployment and grid-code compliance.
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About this tender
Rental and provision of temporary flexible controllable capacity (aggregates/BESS/hybrid systems) with a maximum of 46 MW for grid injection in the FGU congestion area, covering the period November 1, 2026 to March 31, 2027. The intended procurement structure is a framework agreement with five lots of 30, 16, 5, 2, and 1 MW respectively.
Lots
- Lot 1: Lot 1
Flexible controllable capacity for grid injection - 30 MW
- Lot 2: Lot 2
Flexible controllable capacity for grid injection - 16 MW
- Lot 3: Lot 3
Flexible controllable capacity for grid injection - 5 MW
- Lot 4: Lot 4
Flexible controllable capacity for grid injection - 2 MW
- Lot 5: Lot 5
Flexible controllable capacity for grid injection - 1 MW
Key requirements
- ✓Temporary flexible power capacity rental (aggregates, BESS, or hybrid) up to 46 MW
- ✓Grid injection capability in FGU congestion zone, November 2026–March 2027
- ✓Framework agreement with five lot sizes: 30, 16, 5, 2, and 1 MW
- ✓Grid-code compliance and rapid-deployment readiness
Relevant sectors
About this sector
Energy storage funding spans batteries, long-duration storage, thermal storage and the controls that dispatch them. Research calls focus on chemistry and system cost. Demonstration programmes test grid services, while tenders buy capacity, flexibility and installation contracts. Buyers usually want evidence of safety certification, round-trip efficiency and a credible route to grid connection.
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