Founded in 2009, Earth Mill is a UK-based renewable energy and wind turbine maintenance specialist focused on small to medium-scale onshore wind solutions.
Core Services:
- Wind turbine supply & installation
- Operations & maintenance services
- E-Series upgrades & repowering
- Condition monitoring & repairs
- Turbine decommissioning & purchase
WEP and Silverford form an integrated wind operating, maintenance, and repairs business, providing end-to-end services across the full turbine lifecycle: supply, installation, O&M, repowering, and performance analytics across the island of Ireland.
Core Services:
- Wind turbine supply, installation & commissioning
- Operations & maintenance services
- Repowering & major components
- Performance monitoring, analytics & reporting
- Renewable administration & compliance
Anemos Analytics delivers advanced condition monitoring and predictive diagnostics, using real-time multi-sensor data to detect faults early and optimise maintenance. The Anemos platform was first deployed in April 2025 and is currently implemented across 90 turbines. All contracted Anemos turbines are managed by Earthmill.
Core Services:
- Advanced Condition Monitoring System (CMS) with multi-sensor vibration detection for wind turbines
- 24/7 real-time monitoring using state-of-the-art tri-axial sensors and high-frequency data
- Analysis and trending of over 100 variables with complex, automated alarming features
- Predictive analytics that monitor the rate of change in asset condition to forecast potential failures
- Clear identification of degradation in critical turbine components (shafts, bearings, gearboxes, etc.)
- Non-Destructive Testing (NDT) services performed by fully qualified personnel, both as needed and on a recurrent annual basis.
The Growing Repowering Opportunity
Europe is one of the world’s largest wind markets
285 GW
Installed capacity in Europe1
450 GW by 2030
Expected capacity in Europe1
>16 GW
UK’s operational capacity2
27-29 GW by 2030
UK government targets3
Sources
1. Wind Europe, 27 February 2025
2. Onshore Wind Taskforce strategy, 4 July 2025
3. Renewable UK, 10 February 2026
The wind energy sector is becoming a cornerstone of the UK’s clean energy transition and net zero ambitions. Continued policy support, grid upgrades, and community engagement will be critical to sustaining this growth trajectory.
As demand for renewable energy grows, repowering ensures that established wind farms remain productive, efficient, and competitive for decades to come.
What is Repowering?
Many of the earliest wind farms are reaching the end of their lifecycle, however rather than shutting them down, energy developers are choosing a smarter solution: repowering.
Repowering involves replacing and upgrading ageing wind turbines with newer, more powerful and efficient models, increasing their energy yield and power output.
The UK Government’s 2025 strategy to accelerate onshore wind development has driven a significant and immediate increase in repowering activity, as turbine owners seek to maximise feed-in-tariff revenues. This represents an attractive driver of both near-term project revenues and longer-term contracted, recurring income.
It is estimated that, by 2030, over 200 wind farms across Great Britain, representing upwards of 3.2 GW of capacity and over half of current capacity, will face repowering decisions.
What are the Benefits?
Greater energy production and efficiency
Reduced operating costs
Smarter use of Infrastructure
Environmental and Community Benefits
Earthmill’s Repowering Opportunity
- Heads of terms signed with >50 clients to deliver new repowering projects providing >£22 million of repowering pipeline visibility
- Management have identified c.280 qualified repowering prospects in the near future
- Repowering contracts are typically followed by multi-year operating, maintenance and remote monitoring relationships, further strengthening longer term revenue visibility
- Remote monitoring business delivered £12.8 million revenue across the O&M Business’ portfolio of >900 turbines in the UK & Ireland in 2025 with multi-year relationships supporting recurring and repeatable revenue
Read more about the repowering opportunity:
Regen: A Second Wind: Unleashing the potential of repowering
February 2026
Stafford Capital: Repowering: Charging the next evolution in renewable energy
July 2025
Wind Europe: Wind energy in Europe: 2024 Statistics and the outlook for 2025-2030
February 2025