No items found.

ROI in under 3 years for Porsche's 2nd system installation

Porsche's 2nd site installation with us has an ROI of just over 2 years and will reduce their dependency on the grid by 39.9%.

£
2035247
Lifetime savings
230
kW
Installation size
47389
kg
CO2 offset yearly
561
Panels installed
Client interview

Hear it from 

Porsche

themselves

We spoke with the client about their experience with Sustain Commercial Solar.

Key points:

No items found.
Financial savings and earnings
1

Lifetime energy savings

£
2035247

British Pounds Sterling (£)

System cost

171952

British Pounds Sterling (£)

Estimated ROI

2.1

Years

Average savings per week

£
1566

British Pounds Sterling (£)

Average savings per month

£
6784

British Pounds Sterling (£)

Average savings per year

£
81410

British Pounds Sterling (£)

Energy production and grid reliance
2

Annual energy generation

210625

kWh

Specific yield

916

kWh / kWp

Self sufficiency

40
%

Proportion of energy from the grid

Energy production and grid reliance

Equivalent trees planted

47389

Trees

Lifetime carbon offset

1184713

kg of carbon offset

Average carbon offset weekly

911

kg of carbon offset

Average carbon offset monthly

3949

kg of carbon offset

Average carbon offset yearly

47389

kg of carbon offset

3
No items found.

System vitals

Live data

Performance ratio

98.2%

Actual vs expected production

Efficiency

99.8%

DC to AC conversion efficiency

Solar irradiance

12

W/m^2

Ambient temperature

19


System health

OK

All systems operational

4
System Components

The system comprises 567 HTSAAE 405W Monocrystalline Modules and two 120kW Solax X3 Inverters, installed using a flat roof ballast configuration.

Annual Generation

The system is expected to generate 210,625 kWh per year, with a specific yield of 916.73 kWh/kWp. Out of this, 159,020 kWh will be self-consumed, while 51,605 kWh will be exported back to the grid.

Emissions and Grid Impact

The installation avoids 98,941 kg of CO₂ emissions annually and reduces the grid energy demand by 39.9%.

Financial Metrics

The total system cost is £226,450.32, with an ROI of 2.1 years and total lifetime savings projected at £2,035,247.39. This equates to an equivalent cost of £0.014 per kWh for solar utilised over the next 25 years.

ROI Breakdown
  • Yearly Savings: Over a 25-year lifespan, the average yearly savings amount to £81,409.89.
  • Monthly Savings: On a monthly basis, the savings are approximately £6,784.16.
  • Weekly Savings: The weekly savings are around £1,565.57.
Installation and Performance

The installation was completed over three weeks in February 2023. The system boasts a performance ratio (PR) of 78.07% and a yield reduction due to shading of 8.0%. The level of self-sufficiency achieved is 39.9%.

Design Layout

The design layout of the PV system optimises space utilisation and maximises energy capture, ensuring efficient performance and long-term reliability.

Environmental and Economic Impact

This installation at the Porsche Centre in Tonbridge is a significant step towards sustainability. By reducing CO₂ emissions and grid dependence, Porsche not only cuts operational costs but also underscores its commitment to environmental responsibility.

Conclusion

The successful implementation of the solar PV system at Porsche Centre – Tonbridge highlights the expertise of Sustain Commercial Solar in delivering high-impact renewable energy solutions. This project provides substantial financial savings and contributes to a greener future, aligning with Porsche's sustainability objectives.

For further details and visual insights into the project, please refer to the attached documentation and images.

Learn how we can achieve a similar result for your company
Make an enquiry today
Thank you! You've been added to the list.
Oops! Something went wrong while submitting the form.

Table of contents

Article written by
Nick Elbourne
Chief Operating Officer
Nick Elbourne is the COO of Sustain Commercial Solar Ltd responsible for the operations within the company, ensuring that the solutions proposed and implemented to our clients are installed to the highest standards, safely and within an agreed timeframe.

Testimonials from

 

Porsche

Read the testimonials we received from the client.

Read all testimonials
"Lorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse varius enim in eros elementum tristique. Duis cursus, mi quis viverra ornare."

Name Surname

Position, Company name

Watch interview
"Lorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse varius enim in eros elementum tristique. Duis cursus, mi quis viverra ornare."

Name Surname

Position, Company name

Watch interview [ADD LINK]
"Lorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse varius enim in eros elementum tristique. Duis cursus, mi quis viverra ornare."

Name Surname

Position, Company name

Watch interview
"Lorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse varius enim in eros elementum tristique. Duis cursus, mi quis viverra ornare."

Name Surname

Position, Company name

Watch interview
No items found.

Financial model used

This client opted for

CAPEX

as their financial vehicle.

CAPEX
Upfront payment
Fastest ROI
Highest lifetime savings
Annual investment allowance tax break
CAPEX
Upfront payment
Fastest ROI
Highest lifetime savings
Annual investment allowance tax break
Hire purchase
Leasing options
No upfront cost
Annual bills reduced from day 1
Annual investment allowance tax break
Hire purchase
Leasing options
No upfront cost
Annual bills reduced from day 1
Annual investment allowance tax break
PPA
Power Purchase Agreement
No upfront or maintenance cost
Annual bills reduced from day 1
Minimal logistical involvement
PPA
Power Purchase Agreement
No upfront or maintenance cost
Annual bills reduced from day 1
Minimal logistical involvement

Book your free consultation today

We can give you extensive projections on various commercial solar options with some basic usage data and a video call.

Once you have entered your contact information, you'll be redirected to book some time with our team.

Our team

100+ years combined experience in solar and over 50,000 installations completed.

Our team are ready to assist you in your commercial solar transition.

We’re actively looking for driven self starters to join us on our mission to empower UK businesses with sustainable energy.