GRE January 2018 Solar PV and ESS RFP

Appendix “A“- List of RFP Documents

1. Notice of Intent to Respond2. Proposer Qualification Form3. Solar PV Project Summary 4. Solar PV Pricing, Combined Solar/ESS Pricing and Expected Energy 5. Solar PV Technical Description6. Solar PV Construction Milestones7. Solar PV Monthly and Annual Energy Production8. ESS Project Summary, Pricing and Key Specifications9. Credit/Collateral Requirements

The following documents are available for download on the RFP website www.greatriverenergy.com/solarstoragerfp.

GRE Confidentiality Agreement Solar PV Form Contract (PPA) ESS Form LTESSA

GRE January 2018 Solar PV and ESS RFP

1.) Notice of Intent to Respond

Notice of Intent to RespondCompany Name

Address

City State Zip

Company Representative Name

Signature

Email Phone Number Fax Number

Project Name Resource Solar PV ESS Solar PV/ESS combined

Nameplate Capacity MW (AC) Annual Capacity Factor(% Nameplate)

Expected Annual MWh(at Point of Delivery)

Project Location (City, County, State) Proposed Commercial Operation Date

PPA-Contract Terms (years)

Notes (as appropriate)

GRE January 2018 Solar PV and ESS RFP

2.) Proposer Qualification Form

If your proposal scope is limited to solar PV only, please provide the information described below.

If your proposal scope includes both solar PV and energy storage, please provide documentation for both technology offerings.

A. COMPANY (PROPOSER) INFORMATION

B. FINANCIAL INFORMATION

C. INSURANCE

D. LEGAL – See Appendix B, 3D.

E. SERVICES PROVIDED

E.1 Please list your top three customers (work experience references) that you have performed work for in the solar PV and/or energy storage field.

Company Name Contact Name Contact Phone Contact Email

E.2 Please list your top three suppliers (work experience references) that have performed work for you or provided solar PV and/or energy storage equipment to your projects.

Company Name Contact Name Contact Phone Contact Email

E.3 What type of storage work does your company typically self-perform versus subcontract?

E.4 Typically, what percentage of your energy storage work/scope of supply would come from Minnesota based companies?

F.1 Proposer Solar PV and/or Energy Storage Experience

GRE January 2018 Solar PV and ESS RFP

List 3 major relevant projects (completed or ongoing)

Project #1Name of solar PV or ESS projectProject OwnerProject Owner Contact InformationProposer’s Role (Prime/Subcontractor/other)Name of Prime Contractor (if by others)Project Location (Country, State, County, City)Proposer Scope of WorkProject DurationProject Completion Date

Project #2Name of solar PV or ESS projectProject OwnerProject Owner Contact InformationProposer’s Role (Prime/Subcontractor/other)Name of Prime Contractor (if by others)Project Location (Country, State, County, City)Proposer Scope of WorkProject DurationProject Completion Date

Project #3Name of solar PV or ESS projectProject OwnerProject Owner Contact InformationProposer’s Role (Prime/Subcontractor/other)Name of Prime Contractor (if by others)Project Location (Country, State, County, City)Proposer Scope of WorkProject DurationProject Completion Date

GRE January 2018 Solar PV and ESS RFP

3.) Solar PV Project Summary

Solar Project SummaryProject/Facility Name

Project Location(Street Address, City, county, state)Latitude, longitude °N °W

(Decimal format; accurate to three (3) decimal places)Bidder Contact

NameCompanyAddressPhone/FaxEmail

Alternate Contact

NameCompanyAddressPhone/FaxEmail

Technology Type Facility Nameplate Capacity

Photovoltaic Solar kW (AC) kW (DC)First Year GenerationAt delivery point

MWh Capacity Factor

%

Proposed Commercial Operation Date

Proposed PPA Term (years)

Point of Delivery Description

Point of Delivery is on the Distribution System Other

Proposed Facility Status Qualifying Facility Exempt Wholesale Generator

Estimated Useful Life of Facility at Commercial Operation Date (years)

GRE January 2018 Solar PV and ESS RFP

4.) Solar PV Pricing, Combined Solar/ESS Pricing and Expected Energy

Proposers are encouraged to offer any options that could add further value, including technology, cost savings, schedule reductions, or other value-added insights from its experience that could assist GRE as Buyer.

The next page provides a PPA pricing schedule where the $/MWh cost includes both the solar facility and the ESS.

Solar Pricing and Expected EnergyCommercial Operating

Year

Expected Energy(MWh)

Flat Payment Rate(Existing Fed Tax

Incentive)($/MWh)

Escalating Payment Rate

(Existing Fed Tax Incentive)($/MWh)

12345678910111213141516171819202122232425

Notes to Pricing

GRE January 2018 Solar PV and ESS RFP

Combined Solar/ESS Pricing and Expected Energy

Commercial Operating

Year

Expected Energy(MWh)

Flat Payment Rate(Existing Fed Tax

Incentive)($/MWh)

Escalating Payment Rate

(Existing Fed Tax Incentive)($/MWh)

12345678910111213141516171819202122232425

Notes to Pricing

GRE January 2018 Solar PV and ESS RFP

5.) Solar PV Technical Description

Solar Technical DescriptionModule Level InformationManufacturerModel NumberModule Rating at STC*Cell MaterialTotal Number of ModulesState and/or Country of OriginArray Level InformationNumber of Modules per StringStrings in ParallelTotal Active Surface Area (m2)Inverter InformationManufacturerModel NumberTotal Number of InvertersConfirm that inverters meet applicable UL, IEEE, IEC standards.

Yes NoConfirm that the facility meets NEC 2014.

Yes NoMounting/Orientation Fixed Azimuth (deg) Elevation (deg) 1-Axis Tracking Azimuth (deg) Elevation (deg) 2-Axis TrackingFacility Level InformationAnnual Plant Availability (percent)Ground Coverage RatioEstimated Land Area (acres)Consumptive Water Use (gallon/MWh)

*Standard Test Conditions (25°C, 1 kW/m2, AM 1.5)Notes to PV Technical Description

GRE January 2018 Solar PV and ESS RFP

6.) Solar PV or ESS Construction MilestonesInsert the proposed date for each milestone shown here as would be found on the detailed Development Schedule provided with the proposal. Milestones should be based on the requirements to achieve the proposed commercial operation date.

Construction MilestonesDate

(On or before)Construction Milestone

Seller shall demonstrate that it has Site Control of Premises.

Seller shall have entered into one or more binding contracts for the purchase by Seller all of the equipment necessary for the Facility.

Seller shall have executed the Generation Interconnection Agreement.

Seller shall have achieved closing on financing for the Facility or provided Buyer with proof of financial capability to construct the Facility.

Seller shall have provided Buyer with Credit Support required by Appendix A - 13.

Seller shall have provided Buyer with evidence of compliance with the insurance coverage requirements in accordance with Minnesota Interconnection Standards.Seller shall have laid the foundation for all Facility buildings, generating facilities and step-up transformation facilities.

The step-up transformer and all other power electronics shall have been delivered to, and installed at, the Premises.

Seller shall have constructed Seller’s Interconnection Facilities and such facilities shall be capable of being energized.

Start-up testing of the Facility shall have commenced.

Seller shall have registered the Facility with the Center for Resource Solution’s Green e-program.

Additional milestones, if needed.

Seller shall cause the Facility to achieve Commercial Operation on or before the Guaranteed Commercial Operation Date.

GRE January 2018 Solar PV and ESS RFP

7.) Solar PV Monthly and Annual Energy ProductionA.) Provide the month’s total expected average generation.B.) Indicate the average expected hourly generation from the proposed project by month

and time of day.C.) To the extent the sum of the values in the grid are different from the first year

Expected Energy value on Form 3, explain the cause of the difference in the Notes section below.

D.) Expected energy production should be gross of any expected annual plant degradation. Time is hour ending Central Standard Time. (Do not adjust for Daylight Savings Time.)

Monthly and Annual Energy ProductionExpected hourly generation (MWh)

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov DecMaxAverage (P50) Expected hourly generation (MWh)

HE (CST)

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

123456789

101112131415161718192021222324

Sum% of TotalTotal

Notes to Energy Production ProfileExpected Annual Availability (% of hours able to produce energy at full capacity under ambient conditions): ______Guaranteed Annual Availability (% of hours able to produce energy at full capacity under ambient conditions): ______

GRE January 2018 Solar PV and ESS RFP

8.) ESS Pricing, Project Summary and Key Specifications

Proposers are encouraged to offer any options that could add further value, including technology, cost savings, schedule reductions or other value-added insights from its experience that could assist GRE as Buyer.

A. ESS pricing under 10 year LTESSA kW-month AC Power Rating

Rated Continuous Discharge Power*

2 Hours $/kW-month

4 Hours$/kW-month

(__) Hours$/kW-month

1,000 (kW)2,000 (kW)3,000 (kW)4,000 (kW)5,000 (kW)

*Actual ratings may differ.

B. ESS Project Summary

ESS Project SummaryProject/Facility Name

Project Location(Street Address, City, County, State)Latitude, longitude °N °W

(Decimal format; accurate to three (3) decimal places)Bidder Contact

NameCompanyAddressPhoneEmail

Alternate Contact

NamePhoneEmail

Energy Storage Technology (Example: battery, flywheel)

Proposed Commercial Operation Date

Proposed LTESSA Term (years)

Point of Delivery Description

Point of Delivery is on the Distribution System Other

Estimated Useful Life of ESS at Commercial Operation Date (years)

GRE January 2018 Solar PV and ESS RFP

C. ESS Technical Description

ESS Technical DescriptionBattery InformationManufacturerModel NumberState and/or Country of OriginControl System InformationManufacturerDescription

Inverter InformationManufacturerModel NumberTotal Number of InvertersConfirm that inverters meet applicable UL, IEEE, IEC standards.

Yes NoConfirm that the facility meets NEC 2014.

Yes NoFacility Level InformationAnnual ESS Availability (percent)Estimated Land Area (acres)Notes to ESS Technical Description

GRE January 2018 Solar PV and ESS RFP

D. Key Specifications

Key SpecificationsSpecification

ParameterDefinition Units Value

Rated Continuous Discharge Power

The rate at which the ESS can continuously deliver energy for the energy storage component’s entire specified SOC range.

kW

Rated Apparent Power

The real or reactive power (leading and lagging) that the ESS can provide into the AC grid continuously without exceeding the maximum operating temperature of the ESS.

kVA

Rated Continuous Charge Power

The rate at which the ESS can capture energy for the energy storage component’s entire SOC range.

kW

Rated Continuous AC Current

The AC current that the ESS can provide into the grid continuously and can be charged by the grid continuously without exceeding the maximum operating temperature of the ESS.

A

Output Voltage Range

The range of AC grid voltage under which the ESS will operate in accordance with the ESS specification.

V

Total Response Time

The response time shall be measured in accordance with figure below starting when the signal (command) is received at the ESS boundary and continuing until the ESS discharge power output (electrical or thermal) reaches 100 ± 2 percent of its rated power.

Chart

System Round Trip Efficiency

Total round trip efficiency from beginning of life (BOL) to end of life (EOL), defined as the ratio of the delivered output energy of the energy storage system to the absorbed input energy required to restore it to the initial state of charge under specified conditions. Please disclose if value is net of HVAC energy requirements.

%

Yes/No

Ramp Rate The maximum rate, expressed in megawatts per minute, that the ESS can change its input and output power. This may vary in multiple dimensions such as state of charge (SOC) and/or other parameters of the system that may be broken out into multiple line item values.

kW/min

Enclosure Type A description of the system enclosure including that supplied with the system, provided as a part of the site installation and/or comprised of building assemblies associated with the installation. Examples include building, containerized–both stationary and transportable.

Equipment Footprint

Length x Width (LxW) of equipment only (includes ESS and all ancillary units as required) in intended layout.

ft²

GRE January 2018 Solar PV and ESS RFP

Height Equipment height plus safe clearance distances above the equipment.

ft - in

Weight Weight per individual sub-system (PCS, ESS, accessories, etc.), including maximum shipping weight of largest item that will be transported to the project site.

lbs

Grid Communication

Protocols/Standards

List of codes/standards with which the ESS is compliant.

General Description of Energy Storage

Energy storage technology type (e.g. battery type, flywheel, etc.).

Rated Discharge Energy

Specify the accessible energy that can be provided by the ESS at its AC terminals when discharged at its beginning of life (BOL) and end of life (EOL).

kWh

Minimum Charge Time

The minimum amount of time required for the ESS to be charged from minimum SOC to its rated maximum SOC.

Hr

Typical Recharge Time

This should include any time for rest a period needed between a full or partial charge or discharge cycle.

Hr

Warranty & Replacement

Schedule

Specify warranty inclusions and exclusions, include replacement schedules. Include timespan of warranty and any limitations.

Expected Availability of

System

Percentage of time that the system is in full operation performing application specific functions taking into account both planned and unplanned down-time.

Hr/yr

Additional information as needed.

9.) Credit Collateral Requirements

GRE January 2018 Solar PV and ESS RFP

Credit/Collateral Requirements¹Contract Options Pre-Commercial Operation Date (COD) Post COD

Solar PV PPA $125/kW $125/kW

ESS LTESSA $125/kW $125/kW

¹Combined solar/ESS systems would be subject to the values in this table assigned to the aggregate AC capacity of the combined system.