Net zero targets.
Net zero targets from the government are ambitious – as they should be. Energy‑intensive public sector buildings such as hospitals and schools must be able to operate on clean, reliable power.
However, meeting these expectations is becoming increasingly challenging. For organisations that lease their buildings, EPC regulations are tightening even sooner, with a minimum EPC rating of C required by 2027 and B by 2030.
At the same time, funding remains a significant constraint: 90% of local authorities say current government schemes are insufficient to meet net zero commitments. With both schools and the NHS expected to deliver major emissions reductions by 2030–2032, teams have less than six years to close a widening gap between ambition and reality.
No capital?
You’re not alone:
- 60% of academy trusts reported financial deficits in 2023-24
- 91% of NHS leaders surveyed stated they do not have sufficient access to capital funding
- For the 2025-26 financial year, 30 local councils in England requested exceptional financial support
This means your team aren’t able to spend on the important things – whether this is patient care, your students’ education, or social care for the local community.
Energy Security.
Many organisations are seeing budget uncertainties due to world events causing rapidly growing energy and labour prices. Overheads are increasing but not at set or predictable rates, meaning already stretched budgets are pushed to breaking point. DESNZ research in 2025 showed almost 90% of stakeholders in the UK have concerns about energy security.
Problems/risks.
No capital? You’re not alone. 60% of academy trusts reported financial deficits in 2023-24, 91% of NHS leaders surveyed stated they do not have sufficient access to capital funding, and for the 2025-26 financial year, 30 local councils in England requested exceptional financial support. This means you can’t spend on the important things – whether this is patient care, your students’ education, or fixing pot holes.
Your estates team have got enough on their plate already with maintenance demands. They have multiple buildings, no asset register, and have to outsource to expensive maintenance contractors.
Everyone in your organisation is under pressure for hitting your net zero targets. 90% of local authorities believe current government funding schemes are insufficient to meet their net zero obligations. The NHS has pledged to reach net zero by 2040, which only gives you 14 years to decarbonise your whole estate.
Still not sure?
Take a look at how fully-funded solar stacks up against the competition:
Scroll to see all columns
| Metric | Fully-Funded Solar | Doing Nothing | Grant Funding | Self-Funded |
|---|---|---|---|---|
| No upfront capital needed | ||||
| See energy savings from day one | ||||
| Maintenance taken care of | ||||
| See progress towards your net zero goals | ||||
| Optional cashback | ||||
| Inverter replacement included | ||||
| Guaranteed quality installation | ||||
| Best return on your investment | ||||
| Avoids complex procurement | ||||
| Installation completed during your organisation’s downtime | ||||
| Fast process from procurement to completed installation | ||||
| Reporting data for your ESG goals provided | ||||
| Provided long term emission reduction | ||||
| Match funding not needed | ||||
| Simple application process |
| Metric | PPA | Doing Nothing | Grant Funding | Self-Funded |
|---|---|---|---|---|
| No complex procurement | – | – | ||
| No capital needed | * | – | ||
| Best ROI | – | – | – | |
| Save from day 1 | – | – | ||
| No maintenance headache | – | – | ||
| Progress towards net zero goals | – | |||
| Cashback | – | – | – | |
| No match funding needed | – | |||
| Inverter replacement included | – | – | – | |
| Quality installation | – | – | – | |
| Installation during downtime | – | |||
| Fast process from procurement to completed install | – | – | – | |
| Reporting data for ESG | – | – | – | |
| Long term emission reduction | – | |||
| Installation guaranteed | – | – | ||
| No complex application burden | – | |||
| No limitation on availability | – | |||
| Ownership of system on day 1 | – | – | ||
| No deadlines for installation | – | |||
| Doesn’t tie up capital | * | – | ||
| Doesn’t leave you vulnerable to volatile energy prices | – |
* Grants often require match funding.
| Metric | Doing Nothing | PPA | Grant Funding | Self-Funded |
|---|---|---|---|---|
| No complex procurement | – | – | ||
| No capital needed | * | – | ||
| Best ROI | – | – | – | |
| Save from day 1 | – | – | ||
| No maintenance headache | – | – | ||
| Progress towards net zero goals | – | |||
| Cashback | – | – | – | |
| No match funding needed | – | |||
| Inverter replacement included | – | – | – | |
| Quality installation | – | – | – | |
| Installation during downtime | – | |||
| Fast process from procurement to completed install | – | – | – | |
| Reporting data for ESG | – | – | – | |
| Long term emission reduction | – | |||
| Installation guaranteed | – | – | ||
| No complex application burden | – | |||
| No limitation on availability | – | |||
| Ownership of system on day 1 | – | – | ||
| No deadlines for installation | – | |||
| Doesn’t tie up capital | * | – | ||
| Doesn’t leave you vulnerable to volatile energy prices | – |
* Grants often require match funding.
| Features | Free | Professional | Enterprise |
|---|---|---|---|
| Concurrency | 1 | 100 | Custom |
| Self-hosted Runners | – | – |  |
| Build Machines | Standard | Standard | Elite |
| Build on | Linux, Windows and Arm | Linux, Windows, Arm and MacOS | GPU and largest compute |
| User Limit | Up to 3 Users | Up to 10 Users | Unlimited |
| Group Management | – | |
|
| Single Sign-on (SAML SSO) | – | – | |
| Audit logs | Up to 200/Month | Up to 1000/Month | Unlimited |
| API Management | – | 5000 Tokens | Unlimited |
| Premium Integrations | – | |
|
| Support | Community Support | Web-based Support | 24/7 Premium Support |
How does the fully-funded process work?
You don’t need more on your plate, so we keep the process as simple as possible.
Why Choose Carbon3?
Choosing Carbon3 means partnering with a leader in renewable energy services committed to sustainability, innovation, and exceptional customer care.
Reducing Costs and Carbon at Essex Schools with Solar.
Total System Size
36.54kWp
Annual electricity generation
31,059kWh
Estimated annual savings
£8,500+
Annual CO2 offset
7,920.5kg
Hampshire Stadium Decarbonisation.
Total System Size
36.54kWp
Annual electricity generation
31,059kWh
Estimated annual savings
£8,500+
Annual CO2 offset
7,920.5kg
Carbon3 Cut Carbon for a Kent Leisure Centre.
Total System Size
36.54kWp
Annual electricity generation
31,059kWh
Estimated annual savings
£8,500+
Annual CO2 offset
7,920.5kg
Reducing Costs and Carbon at Essex Schools with Solar.
Sector
Education
Technologies
Solar PV
Duration
8 months
System Size
326.63kWp
Hampshire Stadium Decarbonisation.
Total System Size
413.34kWp
Annual electricity generation
382MW
Annual carbon saved
80 Tonnes
Annual savings
£95,000+
Carbon3 Cut Carbon for a Kent Leisure Centre.
Total System Size
435kW
Annual electricity generation
370MW
Estimated annual savings
£100,000+
Annual CO2 offset
94,286 kg
Reducing Costs and Carbon at Essex Schools with Solar.
Sector
Education
Technologies
Solar PV
Duration
8 months
System Size
326.63kWp
Hampshire Stadium Decarbonisation.
Sector
Sports & Leisure
Technologies
Solar PV, EVCs
Total System Size
413.34kWp
Annual electricity generation
382MW
Annual carbon saved
80 Tonnes
EV chargers installed
6
Annual savings
£95,000+
Carbon3 Cut Carbon for a Kent Leisure Centre.
Sector
Sports & Leisure
System Size
435kW
Annual Electricity Generation
370MW
Annual Carbon Offset
94,286 kg
Annual savings
£100,000+
Reducing Costs and Carbon at Essex Schools with Solar.
Hampshire Stadium Decarbonisation.
Carbon3 Cut Carbon for a Kent Leisure Centre.
Reducing Costs and Carbon at Essex Schools with Solar.
Total System Size
36.54kWp
Annual electricity generation
31,059kWh
Estimated annual savings
£8,500+
Annual CO2 offset
7,920.5kg
Hampshire Stadium Decarbonisation.
Total System Size
36.54kWp
Annual electricity generation
31,059kWh
Estimated annual savings
£8,500+
Annual CO2 offset
7,920.5kg
Carbon3 Cut Carbon for a Kent Leisure Centre.
Total System Size
36.54kWp
Annual electricity generation
31,059kWh
Estimated annual savings
£8,500+
Annual CO2 offset
7,920.5kg
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Around the Clock Support
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Project Dashboard
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Dedicated Account Manager
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Short Implementation Time
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