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Empowering West Sussex: Sustainable Energy Solutions for a Brighter Future

Join Tom Coates, Senior Advisor at WSCC, in the impactful 'Your Energy Sussex' Programme. Learn about the pivotal role in promoting energy security, affordability, and sustainability through renewable energy initiatives. Discover the success stories including operational solar farms, subsidy-free installations, and community projects supporting vulnerable residents. Gain insights from the Westhampnett Solar Farm Case Study and explore the benefits of PV-storage solutions. Unveil the key learnings and future opportunities for public bodies to harness sustainable energy practices. Contact Tom Coates at tom.coates@westsussex.gov.uk for more information.

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Empowering West Sussex: Sustainable Energy Solutions for a Brighter Future

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  1. Tom Coates, Senior Advisor, WSCC The WSCC ‘Your Energy Sussex’ Programme

  2. Your Energy Sussex • Summary: • Background and key drivers • Core deliverables to date • Case Study- the Westhampnett

  3. Background • Established in 2014 • Growing concerns for three key issues of energy security; affordability; and environmental sustainability. • Support for development of a WSCC Energy Strategy underpinning the work • Key support for development of the renewable energy sector by County Council Leader.

  4. Deliverables to Date • 2 operational solar farms • First non-commercial subsidy-free solar farm in UK • Schools Solar PV programme with over 75 installations • ECO- funded heating programme supporting over 500 vulnerable residents with new heating systems over 3 years • Solar PV for social housing tenants for over 220 residents • YES domestic Energy Tariff with over 4000 customers since launch in 2018. • Partner of the EU BISEPS programme to support grid capacity issues in business parks

  5. Case Study: Westhampnett Solar Farm Site Summary: Previously mixed-use closed landfill site. Closed in 1995 and now designated low-grade brownfield site. 35 acres/ 14 hectares Replacement gas extraction scheme planned for the site (25 years) and statutory obligations to retain the site Consent to developing a long-term solution to the site that matched other obligations Minimal income derived from the site

  6. Options Appraisal • Key high-level options for the site: • Conventional solar farm with FITs • Solar farm with private-wire connection • Solar farm with battery storage • Benefits of PV- storage site to WSCC: • Subsidy free installation for the life of the project • WSCC’s core energy requirements for the 20+ • years easily modelled

  7. Final Design • System size: • 27,665 panel module array. 7.44MW ballasted solar farm with 4.40Mw Rated power SMA invertors and 4.06Mwh TestVolt battery storage capacity • Reducing the WSCC annual CO2 emissions by approximately 20% • Accounting for 25% of the annual WSCC corporate energy demand • Income will be generated by the following means: • Electricity generated on-site will be ‘sleeved’ • Income through price arbitrage/ peak shaving) and national grid response services such as EFR/ FFR.

  8. Key Learnings • Winning hearts and minds with battery storage outlay • Stakeholder engagement is key • Difficulties working with brown-field sites • Extensive due diligence requirements/ project scrutiny • Relationships with DNO key • Operating model for the scheme- budgeting for the risk • Commissioning processes can be lengthy

  9. Opportunity to WSCC (and other public bodies): • WSCC as developer of its own land • Utilise land that cannot be used for other purposes / is low in value • Access to low interest borrowing • Approval to develop long-term energy schemes • Significant energy consumption on buildings (WSCC- £11.5 Million per year~£250million over 25 years ) • Significant support by Elected Members

  10. Closed Landfill Site – Design Challenges

  11. Closed Landfill Site – Design Challenges

  12. Next Steps- Delivering the Energy Strategy: • 2 x Standalone battery storage systems planned for development totally up 46MW over coming 18 months • Additional solar farm in pipeline for 2019/20. • Continuing growth of energy tariff • District Heating, CHP and development of smart grid in next 3 years

  13. Thank you • Tom Coates - Tom.coates@westsussex.gov.uk

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