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  • Solar PV

Runnymede Borough Council

A 200 x 3.04kWp solar PV installation supporting sustainability and reducing grid reliance.
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Case Studies

Exceptional Results

This commercial solar installation delivers outstanding financial and
environmental returns.

£

1,072,780

Lifetime Bill Savings

£

59,000

+

Annual Savings

43.22

%

Internal Return Rate (IRR)

2.4

yrs

Payback Period

645

Solar Panels Installed

290.25

kWP

System Capacity

200

Residential Installations

3.04

kWp
System Size Per Property

3

months
Programme Delivery Window

608

kWp
Total Installed Capacity
All figures are estimated and subject to site conditions and energy usage patterns.
Client Objective

Why Renewable Energy?

Understanding the business drivers behind the decision to invest in solar

Improving energy efficiency across social housing stock

Supporting Local Authority decarbonisation objectives

Reducing household energy costs for residents

Delivering measurable sustainability improvements across the housing portfolio

The Challenge

Overcoming Obstacles

Every project presents unique constraints. Here’s what we navigated to deliver success.
Occupied Properties

All installations were carried out across occupied residential homes, requiring careful scheduling and resident coordination.

Programme Timeline

200 installations were required within a defined three-month delivery window, demanding efficient resource planning and logistics.

Resident Liaison

Each property required direct communication with residents to arrange access, manage expectations and minimise disruption.

Varied Property Configurations

Installations were delivered across multiple property types, each requiring individual assessment and system design.

S-TEC Solution

Our Approach

A tailored solution designed to maximise returns while meeting all technical and commercial requirements.

Resident Communication
S-TEC managed all resident contact, appointment scheduling and access coordination across the housing portfolio.
Programme Scheduling
A structured installation programme was developed to ensure consistent delivery across all 200 properties within the required timeframe.
Standardised System Design
3.04kWp solar PV systems were specified using Solis, Solax and Fox inverters to integrate with existing residential infrastructure.
Van Der Valk Mounting System
High-quality structural mounting ensuring long-term integrity, careful cable routing and full compliance with public sector building standards
Post-Installation Support
Each property received post-installation checks and resident handover to ensure systems were operating correctly.
Delivery & Installation

From Concept to Completion

Our streamlined approach delivers exceptional results with minimal disruption.
01

Portfolio Assessment

Individual property surveys conducted across the housing stock to determine system suitability and installation requirements.
02

Programme Planning

Installation scheduling developed in coordination with the Council to manage resident access and delivery timelines.
03

Phased Installation

200 residential solar PV systems installed across occupied properties within a three-month programme window.
04

Commissioning & Handover

Each system commissioned, tested and handed over with resident guidance on system operation and monitoring.
Environmental Impact

Powering a Sustainable Future

Beyond financial returns, this installation makes a significant environmental
difference.

200

homes

Properties Upgraded
Residential properties fitted with solar PV systems across the Runnymede housing portfolio

608

kWp

Total Installed Capacity
Combined solar generation capacity delivered across the programme

3

months

Programme Duration
Full programme delivered within the defined three-month installation window

All figures are indicative and subject to site conditions and energy usage patterns. Environmental calculations are
based on standard conversion factors.

Accreditations

Trusted Credentials

Industry-recognised certifications that guarantee quality and compliance.
MCS Certified

Microgeneration Certification Scheme approved installer

NICEIC Approved

Electrical safety and competence certification

TrustMark Registered

Government-endorsed quality standards

FCA Regulated

Financial Conduct Authority regulated finance options

Is This Relevant?

This Project May Be
Relevant If...

  • Local Authorities managing social housing portfolios

  • Housing Associations exploring residential retrofit programmes

  • Public-sector organisations with decarbonisation targets

  • Retrofit framework delivery partners seeking experienced contractors

  • Councils seeking solar installation across occupied properties

Sound like your situation? Let’s explore how we can help.
Request a Feasibility Assessment
Project Gallery

Installation Photos

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Energy Future?

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