Project Information

Bid Title

Solar PV and Battery Energy Storage Systems (BESS) Equipment

Issuing Agency

City of Ann Arbor

Location

Michigan

Published Date

Feb 2, 2026

Closing Date

Feb 18, 2026

Government Level

State & Local

Status

Closed

Ref. #

RFP 26-13

Original Source

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Bid Documents

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Project Description

due date & time	bid description	bid #	primary contact	status
February 18, 2026 2:00PM	Solar PV and Battery Energy Storage Systems (BESS) Equipment	RFP 26-13	Shoshannah Lenski	Open

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REQUEST FOR PROPOSAL

RFP # 26-13

Solar PV and Battery Energy Storage Systems (BESS)

Equipment

City of Ann Arbor

Sustainable Energy Utility (SEU)

Due Date and Time:

February 18, 2026 by 2:00 p.m. (Local Time)

Issued By:

City of Ann Arbor

Procurement Unit

301 E. Huron Street

Ann Arbor, MI 48104

TABLE OF CONTENTS

SECTION I: GENERAL INFORMATION........................................................................3

SECTION II: SPECIFICATIONS..................................................................................11

SECTION III: EVALUATION........................................................................................20

SECTION IV: ATTACHMENTS....................................................................................23

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SECTION I - GENERAL INFORMATION

A. OBJECTIVE

The City of Ann Arbor's Procurement Office and SEU are soliciting proposals for the

purchase of Solar PV and Battery Storage Equipment based on the RFP and

specifications provided herein. The pricing for equipment supply and delivery to the

City and title transfer in any Bidder/Supplier Proposal shall be firm for one (1) year

unless otherwise agreed. Upon mutual agreement between the City and the

Bidder/Supplier, the offer pricing may be extended as mutually agreed for the supply

of additional equipment.

B. QUESTIONS AND CLARIFICATIONS / DESIGNATED CITY CONTACTS

All questions regarding this Request for Proposal (RFP) shall be submitted via e-mail.

Questions will be accepted and answered in accordance with the terms and conditions

of this RFP.

All questions shall be submitted on or before February 9, 2026 4:00pm (Local

Time), and should be addressed as follows:

Scope of Work/Proposal Content questions shall be e-mailed to Shoshannah

Lenski, Executive Director, Sustainable Energy Utility – SLenski@a2gov.org

RFP Process and Compliance questions shall be e-mailed to Colin Spencer, Buyer

- CSpencer@a2gov.org

Should any prospective offeror be in doubt as to the true meaning of any portion of

this RFP, or should the prospective offeror find any ambiguity, inconsistency, or

omission therein, the prospective offeror shall make a written request for an official

interpretation or correction by the due date for questions above.

All interpretations, corrections, or additions to this RFP will be made only as an official

addendum that will be posted to a2gov.org and MITN.info and it shall be the

prospective offeror’s responsibility to ensure they have received all addenda before

submitting a proposal. Any addendum issued by the City shall become part of the

RFP, and must be incorporated in the proposal where applicable.

C. PRE-PROPOSAL MEETING

No pre-proposal meeting will be held for this RFP. Please contact staff indicated above

with general questions regarding the RFP.

3

D. PROPOSAL FORMAT

To be considered, each firm must submit a response to this RFP using the format

provided in Section III. No other distribution of proposals is to be made by the

prospective offeror. An official authorized to bind the offeror to its provisions must

sign the proposal. Each proposal must remain valid for at least ninety days from the

due date of this RFP.

Proposals should be prepared simply and economically providing a straightforward,

concise description of the offeror’s ability to meet the requirements of the RFP. No

erasures are permitted. Mistakes may be crossed out and corrected and must be

initialed in ink by the person signing the proposal.

E. SELECTION CRITERIA

Responses to this RFP will be evaluated using a point system as shown in Section III.

A selection committee comprised primarily of staff from the City will complete the

evaluation. The SEU may, at its sole discretion, make awards by equipment type,

packaged equipment, or bundled offers in the best interest of value to the City and the

VPP Project.

The cost proposals will not be reviewed at the initial evaluation. After initial evaluation,

the City will determine top proposals, and open only those cost proposals. The City

will then determine which, if any, firms will be interviewed. During the interviews, the

selected firms will be given the opportunity to discuss their proposal, specifications,

and their cost proposal in more detail. If the City chooses to interview any offerors,

the interviews will be tentatively held at a reasonable date and time that works for all

parties.

All proposals submitted may be subject to clarifications and further negotiation. All

agreements resulting from negotiations that differ from what is represented within the

RFP or in the proposal response shall be documented and included as part of the final

contract.

F. SEALED PROPOSAL SUBMISSION

All proposals are due and must be delivered to the City on or before February

18, 2026 by 2:00pm (Local Time). Proposals submitted late or via oral, telephonic,

telegraphic, electronic mail or facsimile will not be considered or accepted.

Each offeror must submit in a sealed envelope:

• one (1) original printed paper proposal

• one (1) digital copy of the proposal preferably on a USB/flash drive

as one file in PDF format

4

Each respondent should submit in a single separate sealed envelope marked

Cost Proposal:

• two (2) copies of the cost proposal

All costs should be separate from the rest of the proposal.

Proposals submitted should be clearly marked: “RFP# 26-13 – Solar PV and Battery

Energy Storage Systems (BESS) Equipment” and list the offeror’s name and

address.

Proposals must be addressed and delivered to:

City of Ann Arbor

c/o Customer Service

301 East Huron Street

Ann Arbor, MI 48104

All proposals received on or before the due date will be publicly opened and the names

of those entities providing a response will be recorded on the due date. No immediate

decisions will be rendered and costs will not be disclosed at initial proposal opening.

Hand delivered proposals may be dropped off in the Purchasing drop box located in

the Ann Street (north) vestibule/entrance of City Hall which is open to the public

Monday through Friday from 8am to 5pm (except holidays). The City will not be liable

to any prospective offeror for any unforeseen circumstances, delivery, or postal

delays. Postmarking on the due date will not substitute for receipt of the proposal.

Offerors are responsible for submission of their proposal. Additional time will not be

granted to a single prospective offeror. However, additional time may be granted to

all prospective offerors at the discretion of the City.

A proposal may be disqualified if the following required forms are not included

with the proposal:

• Attachment C - City of Ann Arbor Non-Discrimination Declaration of

Compliance

• Attachment D - Vendor Conflict of Interest Disclosure Form of the RFP

Document

Proposals that fail to provide these forms listed above upon proposal opening

may be deemed non-responsive and may not be considered for award.

Please provide the forms outlined above (Attachments C and D) within your

narrative or technical proposal, not within the separately sealed Cost Proposal

envelope.

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Commodity Codes

• NAICS 221114Solar Electric Power Generation
• NAICS 237130Power and Communication Line and Related Structures Construction
• NAICS 238210Electrical Contractors and Other Wiring Installation Contractors
• NAICS 335911Storage Battery Manufacturing
• NAICS 541330Engineering Services
• NAICS 541690Other Scientific and Technical Consulting Services

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