REQUEST FOR PROPOSALS SOLAR POWER PURCHASE AGREEMENT (PPA)

Transcription

1 ISSUE DATE: July 24, 2015 REQUEST FOR PROPOSALS SOLAR POWER PURCHASE AGREEMENT (PPA) Proposals will be received until 2:00 P.M. Monday, August 24, 2015 for furnishing the services described herein. proposals will be accepted. Proposals received after the date and hour designated are nonresponsive automatically disqualified and will not be considered. The Housing Authority of the County of Kern (HA) is soliciting proposals from qualified businesses (Respondents) to design, fabricate, deliver, install, operate and maintain a rooftop solar photovoltaic electric generating system under a Power Purchase Agreement (PPA) with the Housing Authority of the County of Kern. Respondents must demonstrate the ability to perform the work described in the Scope of Services set forth in this Request for Proposal and have significant experience successfully performing comparable work. Proposals shall be in a sealed envelope or ed and identified with the following information: RFP: SOLAR PPA ATTN: Michael Ruiz, Facilities Management Specialist Waiver of Irregularity: The Housing Authority reserves the right to waive any or all irregularities and may reject any or all proposals and may make decisions concerning best value when various materials are included in the proposal. We also reserve the right to appoint an individual company for each of our areas. All inquires regarding this RFP should be directed to Michael Ruiz, Facilities Management Specialist at (661) ext HOUSING AUTHORITY OF THE COUNTY OF KERN Stephen M. Pelz, Executive Director Tel Fax TTY th Street, FRNT Bakersfield, CA

2 Objective: The objective of this Request for Proposal (RFP) is to identify and select the most qualified turnkey photovoltaic (PV) system supplier/contractor for the design, installation, operation, maintenance, and ownership of a grid-connected PV system. Upon selection of the most qualified Respondent, the HA intends to enter into PPA for a term negotiated between the HA and the solar PV contractor. General: The scope of services provided by the Respondent shall include all tasks required to design, fabricate, deliver, install, operate, and maintain the solar photovoltaic electric generating system for the HA. The scope of services shall also include, but not be limited to, securing all permits and approvals from governing agencies, all labor, taxes, services, and equipment necessary to produce a fully operational solar PV system. The proposal shall contain a detailed explanation of the complete project and a delineation of all work tasks to be performed by the awarded Contractor. Sites Description: The proposed solar PV electric generating system is for the rooftop of the Central Office and the Pinewood Glen development and for carport mounted solar PV at the Plaza Towers development owned by the Housing Authority of the County. The PV panel arrays are to be installed on top of the existing roof structures at the Central Office and Pinewood Glen developments and on Contractor installed carports at the Plaza Towers development. Master Account Under Conjunctive Billing: Meter Name: A Central Office th Street, Bakersfield, CA Service Account: Meter Number: Electric Current Rate Schedule: A10SX Meter Name: B Pinewood Glen 2221 So. Real Road, Bakersfield, CA Service Account: Meter Number: Electric Current Rate Schedule: A10SX Meter Name: C Plaza Towers 3015 Wilson Road, Bakersfield, CA Service Account: & Meter Number: & Current Rate Schedule: E19S & EM WB Design, Engineering & Permitting: Design/engineer the solar PV system to maximize the solar energy resources, taking into consideration the customer s electrical demand and load patterns, proposed installation site,

3 available solar resources, existing site conditions, proposed future site improvements, and other relevant factors. Provide design documents that provide the following minimum information: Timeline/Project Schedule System description Equipment details and description Layout of installation Layout of equipment Selection of key equipment Specifications for equipment procurement and installation All engineering associated with structural and mounting details Performance of equipment components, and subsystems Integration of solar PV system with other power sources Electrical grid interconnection requirements Controls, monitors, and instrumentation System performance monitoring Submit design documents to the HA for review and approval prior to fabrication or delivery. All underground conduits shall be hot-dipped, galvanized steel conduit, bichromate-coated inside and out after galvanizing. Raceway methods & routing shall be approved by HA. Identify an appropriate location for the solar PV inverter equipment and its related components and environmental control systems that will meet the following criteria: Ease of maintenance and monitoring Efficient operation Low operating losses Secured location and hardware Compatibility with existing facilities Avoidance of flood-prone areas Visual harmony Awarded Contractor will secure from governing agencies and the utility company all required rights, permits, approvals, and interconnection agreements at no additional cost to the HA. The HA will become the signatory on applications, permits, and utility agreements only where necessary. The awarded Contractor will complete and submit in a timely manner all documentation required to qualify for available rebates and incentives. Installation: Supply all equipment, materials, and labor necessary to install the solar PV systems and integrate them with other power sources. Electrical Interconnects: Supply and install all equipment required to interconnect the solar PV systems to the HA distribution system. The awarded Contractor will fulfill all application, studies, and testing procedures to complete the interconnection process. All costs associated with utility interconnection shall be borne by the awarded Contractor.

4 Commissioning and Acceptance Testing: During the start-up, the HA, and/or its independent engineer/consultant, shall observe and verify each system performance. Required commissioning and acceptance test services include: Starting up the solar PV systems until it achieves the performance requirements Conducting the performance testing over a consecutive twenty-four (24) hour period Conducting the successful delivery of power within thirty (30) days following completion of the system, meeting each benchmark. Operation and Maintenance Manuals and As-Built Drawings: Provide one (1) set of operation, maintenance, and parts manuals for the solar PV system. The manual shall cover all components, options, and accessories supplied. It shall include maintenance, trouble-shooting, and safety precautions specific to the supplied equipment. Provide one (1) set of as-built drawings including one (1) on CAD. These requirements shall be delivered prior to acceptance of the solar PV system. Monitoring: Monitoring of system performance is a required element of the RFP. Provide a turnkey data acquisition and display system that allows the HA to monitor, analyze, and display historical and live solar electricity generation data. The regularly collected data should reflect, but not be limited to the following: System performance System availability Average and accumulated output Capacity factor Degradation Cost avoidance The data acquisition system shall be designed for turnkey, remote operation. Data shall be transmitted via Internet or telephone from the site to a server managed by the Contractor. Data storage, management, and display will be the responsibility of the Contractor. The data acquisition system must not require a dedicated or always-on personal computer. Provide a long term cost for electricity (KWH) for the term of the awarded contract. Warranties and Guarantees: Identify the warranties to be transferred to the HA, if the HA purchases the PV system. Respondent shall also identify any warranty required to qualify a system for available rebates or incentives, including qualification for Green-e Tags. Contractor shall provide warranty against damage to roof and other building systems where PV system is installed. Operation and Maintenance:

5 Provide a financial impact or price for operating and maintaining the PV system on the HA's behalf for a twenty (20) year service term. Perform all required maintenance activities, including repair work and equipment replacement including, but not limited to, inverter replacement in order to keep the system operational. PV System Removal: The awarded Contractor shall bear the sole responsibility of removing the PV system at the end of the twenty (20) year service term should the HA, in its sole discretion; opt not to purchase the PV system. Design Survey: The awarded Contractor will perform all design survey to a level of accuracy appropriate to provide sufficient ground truth for all facilities. The plans shall show all the existing property lines, public right-of-way, easements, and utilities. It will be the awarded Contractor's responsibility to contact and coordinate all public utilities (e.g. PG&E, Brighthouse, etc.) to determine the location of their utilities within the project area. The awarded Contractor will be required to investigate (x-ray, magnetic imaging etc) all penetrations made in existing building elements (core drilling or saw cutting) to ensure the structure is not damaged Codes, Standards, and Methodologies: All products and components outlined herein must conform to the following codes, standards, and rating methodologies: 1. Proposed PV modules may not utilize hazardous materials (i.e. Cadmium or other hazardous materials). 2. UL certification. 3. The mathematical method for specifying PV system output in kwh must be typical system alternating current (AC) power rating of the proposed PV system using the National Renewable Energy Laboratories' (NREL) methodology. Calculate the annual kwh for the system, using NREL's PVWatts web-based performance calculator, found at: Specify annual degradation expected over 25 years (in percentage degradation per year). 4. Rated PV system capacity must be specified in direct current (DC) kilowatts peak STC, PTC, and SO (system output). The STC rating, or standard test conditions rating, assumes direct current, standard test conditions. (kwdc-stc). It is also referred to as kilowatts peak, or kwp. Specific PV module manufacturer maximum and minimum power data must be specified for this rating. The PTC rating, or PV USA Test Conditions rating, is based on 1000 Watts/square meter solar irradiance, 20 degree Celsius ambient temperature and 1 meter/second wind speed. SO, or System Output (kwso), is a measure used by the California Public Utilities Commission Self Generation Incentive Program to estimate PV systems. 5. National Electrical Code Must comply with wind uplift requirements per the American Society of Civil Engineers Standard for Minimum Design Loads for Buildings and Other Structures (ASCE 7), and must be able to withstand design wind speeds of at least 85 mph (3-second gusts). 7. All outdoor enclosures should be at minimum rated NEMA 3R. 8. All Occupational Health and Safety Administration (OSHA) directives.

6 9. All PG&E and California Solar Initiative requirements Operation and Maintenance Requirements: All respondents must offer a comprehensive onsite operation and maintenance service program for the PV system operations, safety and maintenance activities. The Contractor's operation and maintenance service program included should provide the following minimum requirements: Annual on-site system inspection, including: System testing (operating current of each electrical string) Routine preventive maintenance Repair and/or replacement of defective parts (including equipment and labor) System performance monitoring and historical data access for customer via secure website. Data should include: System energy and power production Ambient temperature Windspeed Insolation Daily system monitoring by vendor, including: o Reporting of problems to customer o Dispatch of resources for expeditious resolution of problems Pricing: Provide pricing for a turnkey (design/build) PV system for the three different locations. Pricing should include: $/kwh for twenty years. System Size: Provide the estimated output of each proposed PV system at the three locations. Contract Term: The term of the resulting contract shall be in effect for twenty years commencing on October XX, 2015, and terminating on October XX, 2035, unless sooner terminated. The Services must be performed in accordance with the scope of work, terms and conditions of a written contract. Insurance Requirements: INSURANCE: By signing and submitting a bid under this solicitation, the Bidder certifies that if awarded the contract, they will have the following insurance coverage at the time work commences. Additionally, contractor will maintain these coverage s during the entire term of the contract.

7 Worker s Compensation: Contractor agrees to provide Worker s Compensation Insurance for Contractors employees and agents and agrees to hold harmless and indemnify Housing Authority for any and all claims arising out of any injury, disability, or death of any Contractors employees or agents. General Liability: A comprehensive insurance policy for public liability and property damage in the minimum amount of $1,000,000 combined single limit with Housing Authority of the County of Kern named as additional insured with respect to the services being procured. Response Requirements: Completed and signed RFP response cover sheet Price per $/kwh for twenty year PPA for each site Estimated PV system size for each site Brief description of the firm or business entity, including firm history, number of employees, organization structure, ownership structure and expertise, and resumes for principals or employees who would perform the Services in this Solicitation Detailed listing and description of experience and other information that demonstrates the Respondent s expertise and capacity to provide the Services specified in this Solicitation List of current and former clients to whom the Respondent has provided services similar and comparable to those described in this Solicitation, and contact information (contract name and gross amount, contact name, dates services provided, telephone, address and website address) for at least five (5) clients from whom HA may obtain references, and clearly identify any business relationship that the Respondent believes may give rise to a conflict of interest if selected to provide the Services in this Solicitation Information demonstrating the Respondent s commitment to equal opportunity, such as efforts related to workforce diversity or contracting. Evaluation: Proposals will be evaluated based on the following criteria: o Experience of company in successfully implementing similar projects (20 points) o Price per kwh (60 points) o References (20 points)

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