The Supply of Electricity to MOD sites in Northern Ireland
Defence Infrastructure Organisation · Northern Ireland · up to £25,886,000
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What the buyer wants
The Ministry of Defence Defence Infrastructure Organisation seeks a qualified electricity supplier to provide commercial and domestic electricity supply services to MOD sites across Northern Ireland. The contract is for up to 48 months with a variable price, cost-plus model. Evaluation will be based on 60% quality, 40% price, and 10% social value. The supplier must deliver secure, reliable electricity, accurate billing, data management, sustainability reporting, and strong contract management.
PROCUREMENT SUMMARY
Procedure: Open Procedure under the Procurement Act 2023.
Contract Length: 24 Months + 12 Month Extension + 12 Month Extension.
Maximum Contract Duration: 48 Months.
Annual Consumption: Approximately 30.1 GWh.
Meter Portfolio: 23 Half-Hourly, 110 Non-Half-Hourly.
Portfolio Coverage: Commercial and Domestic Electricity Supplies.
Geographic Scope: MOD Sites throughout Northern Ireland.
Pricing model: Variable price, cost-plus.
Award Basis: Most Advantageous Tender (MAT).
Evaluation Split: Technical 50%, Commercial 40%, Social Value 10%.
Estimated Total Contract Value: £25,886,000 excluding VAT.
1. CONTRACTING AUTHORITY
The Contracting Authority is the Ministry of Defence (MOD), acting through the Defence Infrastructure Organisation (DIO).
The DIO is responsible for supporting defence outputs through the management, maintenance, development and operation of the defence estate.
The Contracting Authority is seeking to appoint a suitably qualified and experienced electricity supplier to deliver commercial and domestic electricity supply services to MOD establishments throughout Northern Ireland.
The Ministry of Defence seeks a supplier capable of delivering secure, reliable, value-for-money electricity services across the Northern Ireland defence estate whilst supporting defence outputs, operational resilience, sustainability objectives and effective stewardship of public funds.
2. PROCUREMENT REFERENCE
Procurement Reference: 715787474.
3. BACKGROUND
The Ministry of Defence occupies a diverse estate across Northern Ireland comprising military establishments, training areas, operational facilities, administrative buildings, technical infrastructure, residential accommodation and associated support facilities.
Electricity is a critical service supporting defence capability, operational readiness, training outputs, estate resilience and the wellbeing of personnel and their families.
The Authority requires a supplier capable of delivering a secure, reliable and efficient electricity supply service across the full meter portfolio while supporting statutory compliance, financial transparency, sustainability objectives and operational resilience.
The successful supplier will become a key strategic utility provider to the Authority and shall work collaboratively with DIO and its service delivery partners during the contract term.
4. OBJECTIVE OF THE PROCUREMENT
The objective of this procurement is to establish a single contract for the provision of electricity supply services covering both commercial and domestic consumption.
The Authority seeks a supplier capable of delivering:
• Secure electricity supplies
• Accurate and timely billing
• High-quality customer service
• Consumption data management
• Sustainability reporting
• Carbon reduction support
• Strong contract management
• Continuous service improvement.
The Authority wishes to create a contract that enables value for money whilst ensuring continuity of supply and supporting Government sustainability objectives.
5. CONTRACT SCOPE
The scope includes all activities necessary to provide a complete electricity supply service across the MOD portfolio in Northern Ireland.
The successful supplier will provide all services required from meter registration through to final invoicing.
The supplier shall assume full responsibility for management of all electricity supply accounts included within the contract.
6. COMMERCIAL ELECTRICITY SUPPLY REQUIREMENT
Commercial supply points include:
• Military establishments
• Single living accommodation
• Storage sites
• Headquarters buildings
• Offices
• Training facilities
• Workshops
• Warehouses
• Security facilities
• Communication facilities.
7. DOMESTIC ELECTRICITY SUPPLY REQUIREMENT
Domestic supplies include:
• Service Family Accommodation
• Other authorised MOD residential properties.
8. METERING
The estate uses the following types of meters:
• Half-hourly meters
• Non-half-hourly meters
• Domestic meters
• Commercial meters.
Actual portfolio data is included within the tender documentation.
9. CONTRACT TERM
The proposed contract term is: 24 months initially with two option years (2+1+1).
The Authority reserves the right to exercise extension periods at its sole discretion.
10. PRICING MECHANISM
The pricing model selected for this procurement is a variable price, cost-plus model.
11. EVALUATION METHODOLOGY
Tenders will be assessed using a Quality:Price ratio as below:
60 Quality / 40 Price
Minimum standards of legal, financial capacity and technical ability and the evidence required from suppliers to prove that they satisfy quality standards are contained in the ITT document.
A Weighted Value for Money (WVFM) Index will be used to calculate the Total Scores.
Full details of the evaluation methodology are included in the tender documentation.
12. PERFORMANCE MANAGEMENT
KEY PERFORMANCE INDICATORS
Supplier performance will be measured by the following KPI’s:
1. Timely Billing.
2. Query and Complaint Resolution.
3. Metering and Registration Performance.
4. Data Quality and Reporting.
5. Unbilled sites.
6. Social Value – Fair Work.
Detailed KPIs are included within the contract documents
13. SOCIAL VALUE
The Authority will evaluate social value as part of the award process using Model Award Criteria (MAC) 1a - Create and/or retain high-quality jobs.
14. DEFENCE SOURCING PORTAL GUIDANCE ON RESPONDING TO THIS NOTICE:
Suppliers must be registered on the Defence Sourcing Portal (DSP) before they can participate in this opportunity. Go to the DSP homepage (link below):
https://contracts.mod.uk
Then select 'Register now' and follow steps to complete registration.
Current Defence Opportunities can be viewed by anyone using the DSP opportunity search facility. Please search using the procurement reference: 715787474.
Once the opportunity listing is located:
Select the Project Title.
Review the project and opportunity details.
Locate the linked ITT within the Published Lots section.
Select"Go To Project Details".
Select the ITT name to view the ITT documentation and details.
To participate in the procurement please review the ITT requirements and supporting documents. Select"Express Interest" or"Intend to Respond". After expressing interest, the ITT will move into the supplier's My ITTs area where the tender response can be completed and submitted.
Please contact DIOComrcl-Facilities-ESus@mod.gov.uk for any queries on the above process.
How Tenderoo reads it
The notice reads as one for a larger supplier: check the value, the geography and the requirements before committing time to it.
Services required
- Electricity supply services
- Meter registration and management
- Billing and invoicing
- Consumption data management
- Sustainability reporting
- Carbon reduction support
- Contract management
- Customer service
What you will need to show
- Registration on Defence Sourcing Portal — Suppliers must be registered on the Defence Sourcing Portal to participate in the procurement process.
- Demonstrate legal, financial and technical capacity — Suppliers must meet minimum legal, financial capacity and technical ability standards as detailed in the ITT document.
- Respond to KPIs and performance management — Suppliers must address key performance indicators including billing timeliness, complaint resolution, metering performance, data quality, unbilled sites, and social value in their tender response.
- Social value response — Suppliers must provide a written response on social value, focusing on creating or retaining high-quality jobs.
Documents to submit
- ITT documentation
- Evidence of legal, financial and technical capacity
- Social value response
- KPI response
Lots
- Lot 1 (up to £25,886,000)
How bids are scored
60% quality, 40% price, as stated in the notice.
Key facts
- Buyer: Defence Infrastructure Organisation
- Estimated value: up to £25,886,000
- Deadline: 9 November 2026
- Location: Northern Ireland
- Published on: Find a Tender
- First seen by Tenderoo: 9 October 2026
- CPV: 09310000
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