20110601-世界资源研究所-PURCHASING_POWER_Best_Practices_Guide_to_Collaborative_Solar_Procurement_62页_3mb

PURCHASING POWER: BEST PRACTICES GUIDE TO COLLABORATIVE SOLAR PROCUREMENT

Executive Summary

The guide outlines a 12-step process for collaborative solar procurement, designed to reduce costs, streamline deployment, and achieve regional renewable energy goals. Key benefits include:

• Economies of Scale: Bundling sites reduces transaction costs, vendor negotiation time, and pricing (10-15% savings vs. individual procurement).
• Risk Mitigation: Collaboration addresses high upfront costs, lack of expertise, and fragmented demand.
• Case Studies:
  • Silicon Valley Collaborative (SV-REP): A public-sector effort reducing electricity costs by ~8% and administrative costs by 75%.
  • Collaborative Solar Project (TCSP): A private-sector pilot demonstrating competitive pricing despite economic challenges.

Key Insights

1. Collaboration Mechanism:
   • A convener (neutral third party) coordinates stakeholders.
   • A lead organization drives procurement.
   • An independent technical adviser ensures optimal site bundling and contract terms.
2. Financial Models:
   • PPA (Power Purchase Agreement): Preferred for long-term contracts (~15-20 years).
   • Leases: Suitable for shorter-term flexibility.
   • Direct Purchase: Less common due to funding barriers.
3. Steps for Success:
   • Early recruitment and stakeholder alignment.
   • Rigorous site assessment and bundling.
   • Transparent vendor evaluation and contract negotiation.

12-Step Process Overview

1. Regional Recruitment: Identify potential participants and sites.
2. Initial Questionnaire: Gauge participant interest and gather basic site data.
3. Solar Project Workshop: Educate stakeholders on financing, technology, and processes.
4. Site Consolidation & Analysis: Bundle sites for competitive bidding.
5. Internal Consultation: Secure internal buy-in for project execution.
6. RFP Design: Develop standardized procurement documents.
7. RFP Issuance: Publicize opportunities widely and manage vendor responses.
8. Proposal Evaluation: Score bids based on cost, quality, and criteria.
9. Negotiations & Award: Finalize contracts with winning bidders.
10. Installation Management: Monitor construction for compliance and efficiency.
11. Commissioning & Operations: Ensure long-term performance and maintenance.
12. Celebration: Share results to build momentum for future initiatives.

Conclusions

• Collaboration significantly reduces costs by leveraging scale and shared resources.
• Clear role definition (convener, lead org, technical adviser) is critical for success.
• The process works across sectors but requires tailored approaches for public vs. private contexts.
• Early-stage participation and stakeholder education are foundational to achieving economic and environmental goals.