Marchwood 400kV Substation
England and Wales, National Grid Electricity Transmission
The queue at this substation
| Project | Customer | Technology | Queued MW | Connection date | Gate | Status |
|---|---|---|---|---|---|---|
| MARCHWOOD ENERGY STORAGE | BW ESS DEVELOPMENT UK LIMITED | Storage | 200 | 1 Jun 2028 | Gate 1 | Scoping |
| Marchwood | MARCHWOOD POWER LIMITED | Thermal (gas, biomass, waste) | 0 | Connected | Not stated | Built |
Recent changes
- MARCHWOOD ENERGY STORAGEEngland and Wales, StorageMarked as Gate 1
- MARCHWOOD ENERGY STORAGEEngland and Wales, StorageConnection date moved from 31 Oct 2027 to 1 Jun 2028 (+7 months)+7 mo
- MARCHWOOD ENERGY STORAGEEngland and Wales, StorageCustomer changed from Penso Power Limited to BW ESS DEVELOPMENT UK LIMITED
- MARCHWOOD ENERGY STORAGEEngland and Wales, StorageRestructured from 1 stage (200 MW from 14 Nov 2031) to 1 stage (200 MW from 31 Oct 2027). First connection date −48 months−48 mo
- MarchwoodEngland and Wales, Thermal (gas, biomass, waste)Substation name updated in the register (from Marchwood 400kV to Marchwood 400kV Substation)
- MARCHWOOD ENERGY STORAGEEngland and Wales, StorageSubstation name updated in the register (from Marchwood 400kV to Marchwood 400kV Substation)
- MARCHWOOD ENERGY STORAGEEngland and Wales, StorageAdded to the registerNew
Price what a delay would do to your project
QueueWatch reports what changed in the public TEC register. It doesn’t tell you what to do about it. That’s what QueueQuant is for.
Give QueueQuant a site and it compares every way you could power it, on the grid or off it: waiting for the firm date, taking a non-firm offer, building a private wire or going off-grid, across every combination of contracted capacity, generation and battery. That’s millions of possible plans, each tested against thousands of possible futures for delay, curtailment and price. It returns the one plan that holds up best, even when that plan is not to build.
Get the plan that holds up best for your site, and where that answer flips.
What you get from QueueQuant
- The route to power that wins
- How to size every asset on the site
- The level of delay or curtailment at which that answer flips
- Whether the project is worth building at all
- How bad the worst outcomes get, at the risk level you choose
See how we’d price it: Sell now, or wait for your Gate 2 offer?