Mobius Labs 2

Explore our case study on a commercial Solar PV Installation in Hemel Hempstead. Discover how 60 Trina Vertex S+ panels and Growatt hybrid technology deliver 23,112 kWh annually.

Jan 17, 2025

5.5

yrs

60

6

27

kW

Overview

  • Location: Hemel Hempstead, Hertfordshire

  • Date of Installation: January 2025

  • Type: Commercial

  • Roof Layout: South-west

  • System Size: 27 kWp

Installation Process

  • Timeline: The installation was completed within 1 week, with no disruption to customer operations.

Performance and Financial Projections

  • Estimated Annual Energy Generation: 23,112 kWh

  • ROI Duration: 5.5 years (based on a 4% discount rate and £30,988.11 total installation cost).

  • Lifetime ROI:

    • Total Expected Generation Over 25 Years: 543,064 kWh

    • Net Present Value: £64,080.18

    • Annual Income and Savings Breakdown:

      • Total Export Payments: £20,973

      • Electricity Savings: £125,284

  • 25-Year Accumulated Cash Flow:

    • Positive cash flow begins in Year 5.5.

    • Cumulative benefits over 25 years: £88,871.

  • Financial Route: Purchased outright.

Environmental Impact

  • Reduction in Reliance on National Grid: Significant, with an annual generation of 434,451 kWh consumed on-site.

  • Annual Carbon Offset: Lifetime Carbon Offset (25 Years): 126,536 kg of CO₂ (or 126.54 tonnes). That is equivalent to planting 5,752 trees over 25 years.

Frequently Asked Questions (FAQs)

  1. How much shading affects the system?

    • The site has a shading factor (SF) of 1.00, indicating minimal shading.

  2. What is the degradation rate?

    • Panels degrade at 0.5% annually, affecting performance slightly over time.

Estimated yearly savings

1

£

Estimated yearly savings

1

£

Estimated yearly savings

1

£

Estimated yearly savings

1

£

Carbon offset yearly

1

kg

Carbon offset yearly

1

kg

Carbon offset yearly

1

kg

Carbon offset yearly

1

kg

Generated yearly

1

kWh

Generated yearly

1

kWh

Generated yearly

1

kWh

Generated yearly

1

kWh

Installed and commissioned by

We're proud of our team's work and love to credit them where we can

We're proud of our team's work and love to credit them where we can

We're proud of our team's work and love to credit them where we can

Mobius Labs

System overview

View the hardware that we installed for this customer.

60

solar panels

6

batteries

Full list of hardware installed

  • Trina Vertex S+ 450W N-Type Black White Mono solar panel 60

  • Growatt MID 25kW 3ph Hybrid Inverter (inc DC switch) inverter 1

  • Emlite EMP1 3ph Meter 1

  • Label sheet 1

  • Growatt APX HV Battery Base 2

  • Growatt APX 98034-P2 HV BMS Power Module 1

  • Growatt TPM Three Phase Smart Meter for Growatt 3ph Inverters 1

  • Growatt ShineWiFi-X 1

  • Growatt APX 5.0P-B1 Parallel Extension Cable 1

  • Battery Hazard Warning Label Pack 1

  • AC isolator - IMO - 63A 4-pole 2

  • Growatt APX HV 5.0P-B1 Battery Module (for MID and MOD HV inverters) 6

  • MC4 4mm Connector Pair 8

  • 250m reel of 4mm2 solar cable 1

  • Fastensol mini rail 400mm (portrait) 128

Live Monitoring and Updates
A Growatt ShineWiFi-X module enables real-time monitoring of system performance. This feature allows live updates on energy generation, consumption, and savings, making it ideal for showcasing through a website or promotional materials.

  • Trina Vertex S+ 450W N-Type Black White Mono solar panel 60

  • Growatt MID 25kW 3ph Hybrid Inverter (inc DC switch) inverter 1

  • Emlite EMP1 3ph Meter 1

  • Label sheet 1

  • Growatt APX HV Battery Base 2

  • Growatt APX 98034-P2 HV BMS Power Module 1

  • Growatt TPM Three Phase Smart Meter for Growatt 3ph Inverters 1

  • Growatt ShineWiFi-X 1

  • Growatt APX 5.0P-B1 Parallel Extension Cable 1

  • Battery Hazard Warning Label Pack 1

  • AC isolator - IMO - 63A 4-pole 2

  • Growatt APX HV 5.0P-B1 Battery Module (for MID and MOD HV inverters) 6

  • MC4 4mm Connector Pair 8

  • 250m reel of 4mm2 solar cable 1

  • Fastensol mini rail 400mm (portrait) 128

Live Monitoring and Updates
A Growatt ShineWiFi-X module enables real-time monitoring of system performance. This feature allows live updates on energy generation, consumption, and savings, making it ideal for showcasing through a website or promotional materials.

  • Trina Vertex S+ 450W N-Type Black White Mono solar panel 60

  • Growatt MID 25kW 3ph Hybrid Inverter (inc DC switch) inverter 1

  • Emlite EMP1 3ph Meter 1

  • Label sheet 1

  • Growatt APX HV Battery Base 2

  • Growatt APX 98034-P2 HV BMS Power Module 1

  • Growatt TPM Three Phase Smart Meter for Growatt 3ph Inverters 1

  • Growatt ShineWiFi-X 1

  • Growatt APX 5.0P-B1 Parallel Extension Cable 1

  • Battery Hazard Warning Label Pack 1

  • AC isolator - IMO - 63A 4-pole 2

  • Growatt APX HV 5.0P-B1 Battery Module (for MID and MOD HV inverters) 6

  • MC4 4mm Connector Pair 8

  • 250m reel of 4mm2 solar cable 1

  • Fastensol mini rail 400mm (portrait) 128

Live Monitoring and Updates
A Growatt ShineWiFi-X module enables real-time monitoring of system performance. This feature allows live updates on energy generation, consumption, and savings, making it ideal for showcasing through a website or promotional materials.

  • Trina Vertex S+ 450W N-Type Black White Mono solar panel 60

  • Growatt MID 25kW 3ph Hybrid Inverter (inc DC switch) inverter 1

  • Emlite EMP1 3ph Meter 1

  • Label sheet 1

  • Growatt APX HV Battery Base 2

  • Growatt APX 98034-P2 HV BMS Power Module 1

  • Growatt TPM Three Phase Smart Meter for Growatt 3ph Inverters 1

  • Growatt ShineWiFi-X 1

  • Growatt APX 5.0P-B1 Parallel Extension Cable 1

  • Battery Hazard Warning Label Pack 1

  • AC isolator - IMO - 63A 4-pole 2

  • Growatt APX HV 5.0P-B1 Battery Module (for MID and MOD HV inverters) 6

  • MC4 4mm Connector Pair 8

  • 250m reel of 4mm2 solar cable 1

  • Fastensol mini rail 400mm (portrait) 128

Live Monitoring and Updates
A Growatt ShineWiFi-X module enables real-time monitoring of system performance. This feature allows live updates on energy generation, consumption, and savings, making it ideal for showcasing through a website or promotional materials.

Use our free solar quote tool

Answer a few questions, draw your roof and our free tool will give you an estimate of how much solar could save you and your household.

Takes 60 seconds

No bills or documents needed

Get a real price estimate with real hardware

Adjust system size and see impact on cost & savings

Case study produced by

Heidi Drewett

Marketing Manager

, Chiltern Solar

Heidi Drewett serves as the Marketing Manager at Agrivert, where she oversees all marketing activities, including the Chiltern Solar division.

Other contributors

Team members that contributed to this item

Share this project

We'd really appreciate you helping to get the word out, you can share this page via any social media channels or to friends and family via WhatsApp.

Share on Facebook

Share on Twitter/X

Share on WhatsApp

Share via Email

Copy website address to clipboard

Other

commercial

installations

View other Chiltern Solar case studies

Nov 9, 2023

Nov 9, 2023

NEC

63.37kWp solar system installed for NEC in Milton Keynes, reducing energy reliance and boosting sustainability.

63.37

kWp

154

panels

Sep 6, 2023

Sep 6, 2023

The Ceramic Tile Company

92 JA 410W solar panels installed at The Ceramic Tile Company, generating 15,410kWh annually.

37.72

kWp

92

panels

Mar 14, 2023

Mar 14, 2023

Prestige Press

A 12.6kWp solar system with 30 panels and battery storage installed at Prestige Press in Chesham.

12.6

kWp

30

panels

Feb 2, 2023

Feb 2, 2023

F E Cardozo

A 11.55kWp solar system featuring 30 JA Solar panels and a Solis 10kW inverter for Chess Business Park in Chesham.

11.55

kWp

30

panels

Oct 19, 2022

Oct 19, 2022

Gil-Lec

A 12.32kWp solar PV system installed at Chess Business Park, featuring JA Solar panels and a Solis inverter.

12.32

kWp

0

panels

Oct 1, 2021

Oct 1, 2021

New build properties (31 plots)

A multi-plot solar installation with JA Solar panels and Solis inverters for optimised renewable energy use.

63.36

kWp

198

panels

Join thousands of customers saving money with Chiltern Solar

Not to mention increasing the value of their property and reducing their carbon footprint

Registered in England & Wales (07642657), registered address: Stokenchurch House Oxford Road, Stokenchurch, High Wycombe, England, HP14 3SX

  • Chiltern Solar are a proud member of Solar UK

All rights reserved by Chiltern Solar © 2024

Marketing & site by

solaronsteroids.com

Join thousands of customers saving money with Chiltern Solar

Not to mention increasing the value of their property and reducing their carbon footprint

Registered in England & Wales (07642657), registered address: Stokenchurch House Oxford Road, Stokenchurch, High Wycombe, England, HP14 3SX

  • Chiltern Solar are a proud member of Solar UK

All rights reserved by Chiltern Solar © 2024

Marketing & site by

solaronsteroids.com

Join thousands of customers saving money with Chiltern Solar

Not to mention increasing the value of their property and reducing their carbon footprint

Registered in England & Wales (07642657), registered address: Stokenchurch House Oxford Road, Stokenchurch, High Wycombe, England, HP14 3SX

  • Chiltern Solar are a proud member of Solar UK

All rights reserved by Chiltern Solar © 2024

Marketing & site by

solaronsteroids.com

Join thousands of customers saving money with Chiltern Solar

Not to mention increasing the value of their property and reducing their carbon footprint

Registered in England & Wales (07642657), registered address: Stokenchurch House Oxford Road, Stokenchurch, High Wycombe, England, HP14 3SX

All rights reserved by Chiltern Solar © 2024

Marketing & site by

solaronsteroids.com