
Challenges in Co-Locating Solar and Storage
1. Grid Connection and Permitting
- Grid Connection Challenges: One of the most significant hurdles is the grid connection process. Co-located projects often face long lead times for permitting and grid connection, which can delay project timelines.
- Permitting Complexity: Co-located projects require adherence to regulations for both solar and battery installations, complicating the permitting process. This can delay connection dates if storage capacity is added after obtaining grid permits.
2. Technical Integration
- Engineering Requirements: The integration of solar and storage systems demands meticulous engineering expertise, increasing development time and costs.
- Grid Constraints: Grid constraints can prevent simultaneous export of solar and storage capacity beyond certain limits, necessitating sophisticated hardware and software control systems to avoid fines from network operators.
3. Regulatory Inconsistencies
- Cost Allocation and Regulatory Frameworks: There are regulatory inconsistencies, particularly concerning cost allocation for transmission upgrades. This complexity arises from co-locating loads with generation, making it crucial for regulators to establish clear guidelines.
- Lack of Standard Rules: The absence of standard rules for integrating co-located generation and load creates a laborious interconnection process.
4. Market and Financial Challenges
- Contracting Complexity: Solar and storage projects have different commercial models, which can complicate deal structuring and investor risk tolerance. Split contracts with different parties may create operational challenges.
- Financing Complexity: Hybrid projects often require more complex contractual arrangements, introducing additional risks due to uncertain revenue streams, particularly with newer technologies like battery storage.
5. Market and Technological Risks
- Overcommitting Resources: There is a risk of overcommitting resources without clear returns, especially in speculative large infrastructure projects.
- Technology Updates: As technology evolves, projects must adapt to remain viable, which can pose challenges for long-term planning and investment stability.
Original article by NenPower, If reposted, please credit the source: https://nenpower.com/blog/what-challenges-exist-in-co-locating-solar-and-storage-projects/
