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Home My WebLink AboutSupplemental Communication - Study Session #1 - Huntington B4/18/2016 Huntington Beach Energy Project (AES) • Originally constructed in 1950s •Units 3 and 4 Retooled in 2002; now retired • RWQCB - Use of ocean water for once through cooling during electrical energy production must be eliminated by 2020 Resulted in new power plant design UPPLEN 0 Mee ing Cate: .1 — / B - a o /4p Agenda Item No. 5--Sot- 1 4/18/2016 Background Previous City Review • Spring 2014 - DRB and City Council compared existing structures with new design • DRB and City Council reviewed architectural screening plan ■ Height of new structures and architectural screening exceeds max. zoning height • City Council approved a resolution stating that if City had jurisdiction, height requires variance, and City supports height variance in these circumstances Approved Project Status r- r � k N Permitting and Project Approvals • Application to modernize AES Huntington Beach submitted to California Energy Commission (CEC) June 2012 • City of Huntington Beach, state agencies, local community, and CEC staff reviewed and commented on the HBEP CEC approved Huntington Beach Energy Project license October, 2014 • 939 MW combined -cycle gas turbine plant • Entire project within the fence line of existing plant • Removal of old boilers and stacks • Offsite parking on Newland Street, PCH and Beach Blvd., and Plains All American (oil storage/tank area) • CEC approval included 175 Conditions of Certification 4/18/2016 Existing Beach View Existing & New - Scale Comparison 4/18/2016 Existing View from Magnolia 4/18/2016 New Plant with Landscape Enhancement 4/18/2016 Existing KOP-5 4/18/2016 Approved Visual Screen Revised Project Status Planning, Procurement and Contracting ■ California Public Utilities Commission (CPUC) leads California's long term electricity planning process ■ CPUC's 2012 LTPP authorized Southern California Edison (SCE) to procure new generation to meet future need ■ AES offered SCE different configurations of generating technology • Southern California Edison (SCE) awarded AES 20 year Power Purchase Agreements in October, 2014 (AES Huntington Beach and AES Alamitos) ■ The power plant configuration selected by SCE is different from what the CEC approved • Smaller: 844 MW vs 939 MW • Different model of turbines • More efficient, less emissions, less water • Looks different `7 4/18/2016 Requires Amendment to CEC License • AES has submitted a Petition to Amend to the CEC for a revised project to match the needs of SCE • Environmental evaluation of all project changes: — New turbine models and manufacturer — Revised site layout, more concentrated on east side of site • Demonstrate the revised design has same or better environmental attributes • Need to completely redesign the architectural treatment and amend City resolution H. 4/18/2016 Site Plan with Screening — Phase I i _dam E 4/18/2016 Screen Wall Architectural Screen Wall • 24 in. plastic spheres • Cable net structure YTYr?TTTTTTTTTTT �.T�1 San Jose Airport Parking Structure 10 4/18/2016 11 4/18/2016 12 4/18/2016 Project Attributes ....Proposed Stack Height 2 at 214 ft each 6 Power Blocks —120 ft 2 Power Blocks - 150 ft each 2 Power Blocks — 80 ft Boiler and Units 1 & 2 Boiler - HRSG — 92 ft HRSG — 95 ft HRSG 152ft Platform Units 3 & 4 Boiler - 138 ft Air Cooled 2 Air Cooled Condensers 1 Air Cooled Condenser —110 ft Condensers —104 ft Sound Wall 25 ft high x 450 ft long 50 ft high x 750 ft long Architectural Surfboards —125 ft Sphere Wall —120 ft Enhancement Council Resolution • DRB reviewed and recommended approval 3-10-16 • Building Height — Maximum 50 ft height in Public Semi -Public zone — Approximately 150 ft for two stacks; 80 ft for two stacks — Approximately 120 ft for sphere wall • Architectural Improvements: Recommendations — Incorporate uplighting — No signs or other identifying features on stacks, ACCs, HRSGs, or architectural screening • Administrative Item— May 2, 2016 Council Meeting 13