West Midlands Combined Authority · Awarded contract

Awarded

Design and Construction of Onboard Energy Storage System (OESS) Building at Wednesbury Depot

Awarded 05 Apr 2021

View live tenders

Awarded05 Apr 2021

Value£313,544.31

SupplierInterclass Plc

AgencyWest Midlands Combined Authority

RegionWest Midlands

CategoryConstruction

Ended 5y 1mo ago6mo term

Awarded 5 Apr 2021Expired 4 Oct 2021

About

West Midlands Combined Authority awarded a contract to Interclass Plc for the design and construction of a single-storey Onboard Energy Storage System (OESS) building at the Wednesbury Depot site.

The building is intended for the storage and charging of batteries for the existing fleet of 2nd generation trams and the new fleet of 3rd generation trams.

The contractor is responsible for liaising with the client throughout the design process, confirming requirements prior to construction, and designing and installing all building services—including lighting, power, fire detection and alarm, ventilation, and cooling—to applicable standards and client requirements.

The contract value is £313,544.31.

Similar open tenders12

Design and Supply of Modular Adiabatic Compressed Air Energy Storage (A-CAES) Demonstrator Plant – Westlakes Science ParkEnergy & Environment

09 Dec 2026

WESTCharge: Supply, Installation and Operation of On‑Street EV Charging in North Somerset & Bath and North East SomersetInfrastructure

30 Mar 2027

Design and Installation of Integrated Smart Energy System (Solar, Battery, EV, Heat Pump) – g39, CardiffEnergy & Environment

09 Nov 2026

Amelia Trust Farm Rooftop Solar PV, Battery Storage and Heating Decarbonisation Works – BarryEnergy & Environment

20 Nov 2026

Provision and Operation of Electric Vehicle Charging in Wigan Council Car Parks – 13‑Year ConcessionEnergy & Environment

30 Nov 2026

Wigan Council 13-Year Concession for Electric Vehicle Charging in Council Car ParksEnergy & Environment

30 Nov 2026

Supply, Build and Fit-Out of Electric Mobile Library Vehicle – Cambridge City CouncilManufacturing & Industrial

05 Jan 2027

Supply of Electric Land Train Locomotive and Three Passenger Carriages – Swansea Bay PromenadeTransport & Logistics

23 Nov 2026

Replacement and Installation of Electric Vehicle Charging Pedestals at 21 Broads LocationsEnergy & Environment

20 Nov 2026

Smart Local Energy System in Carmarthen – 200 kWp Solar PV, 75 kWh Battery Storage, 12 kW ASHP with Smart ControlsEnergy & Environment

19 Nov 2026

Design and Construction of Four‑Bay Steel Workshop at Sidley Depot, Bexhill-on-SeaConstruction

07 Dec 2026

EPCS for Design, Procurement and Construction of Electric Drive Compressor Halls – South West Scotland Onshore SystemEnergy & Environment

20 Nov 2035

Other similar contracts12

Specialist Technical Support for Supervision of Energy Storage Systems Construction for EV Charging at Motorway Service Areas – Phase 3Energy & EnvironmentCostain

$124,704

Design, Supply and Installation of Energy Storage System for South Staffordshire CouncilEnergy & EnvironmentEMSc (UK) Ltd

$250,000

Specialist Technical Support for Energy Storage Systems at Motorway Service AreasEnergy & EnvironmentCostain Limited

$85,689.62

Specialist Technical Support for Energy Storage Systems at Motorway Service Areas - Phase 2Energy & EnvironmentCostain Limited

$148,640.42

Specialist Technical Support for Supervision of Energy Storage Systems Construction at Motorway Service AreasInfrastructureCostain Ltd

$74,935.35

Supervision of Energy Storage Systems Construction for National Highways' Motorway Service Areas (Phase 3c)Energy & EnvironmentCostain Limited

$49,765.64

Supply of Battery Energy Storage System at Western Way, Bury St EdmundsEnergy & EnvironmentEMSc UK Ltd

$800,000

Supply of Battery Energy Storage System for Waterside Innovation Hub, SwindonEnergy & EnvironmentFluence Energy GmbH

$5,289,620

Supply and Installation of Electric Vehicle Charging System by Dawson Group Energy SolutionsEnergy & EnvironmentDawson Group Energy Solutions

$63,232.06

Supply of Battery Energy Storage System at Western Way, Bury St EdmundsEnergy & EnvironmentEMSc UK Ltd

$800,000

Monitoring and Maintenance of BESS at Mildenhall Hub by Connected Energy LtdEnergy & EnvironmentConnected Energy Ltd

$24,066

Supply of Energy Battery Storage Units for Killingworth Sustainable Retrofit ProjectEnergy & EnvironmentConnected Energy Limited

$300,000

Unlock the full platform.

7 days free, then £36/GBP per month. Cancel anytime.

What you get

Find

Find construction tenders in West Midlands in one place.

We monitor central, devolved and local government portals in near real time and update the feed as tenders are published, so you check one place instead of many.

Search by keyword, or describe your workType a keyword, or switch to AI search and say what your business does.

Narrow it downFilter by category, region and area, or view open tenders on a map.

Alerts

Open tenders like this contract, sent to you.

Tell us what you are looking for and we email you when a matching tender is published.

Set it up your wayUse keywords, a description of your work, a location or a distance from a postcode. Up to 10 alerts.

Instant or dailyGet an email when a match is published, or one summary a day.

Gmail

OutlookAny other inboxWorks with any email address

GovMarketto you

7:00 am

2 new construction tenders

Design and Supply of Modular Adiabatic Compressed Air Energy Storage (A-CAES) Demonstrator Plant – Westlakes Science ParkEnergy & Environment · Closes 9 Dec 2026

WESTCharge: Supply, Installation and Operation of On‑Street EV Charging in North Somerset & Bath and North East SomersetInfrastructure · Closes 30 Mar 2027

From your alert: Construction

Assess

Size up a tender in minutes.

Before you open a single document, get the requirements, a likely value and who you would be up against.

Requirements from the documentsWho can bid, mandatory criteria, how it is scored, insurance and key dates, each with its source.

Value and competitionAn estimated value from similar awarded contracts, and the suppliers most likely to bid.

Market

Follow Interclass Plc and get alerts when they win again.

Awarded contracts with the supplier and the value, so you can check prices, spot competitors and find work that is coming back to tender.

Supplier and buyer profilesWhat each one has won or awarded, who they work with, and how that is changing.

Contracts ending soonTerms that finish in the next 12 months, which often go back out to tender.

Pipeline

Track your bids from interested to won.

Save a tender in one click and move it through each stage as you work on it.

Work as a teamInvite colleagues so you work from the same list.

Take it with youExport tenders and matches to CSV.

GovBot

Ask a question in plain English.

Find tenders, look up a supplier, or check who won a contract. Just type what you need.

Get started

Get construction tenders in West Midlands by email.

Find the tender, size it up and track the bid, in one place.

7 days free, then £36/GBP per month