How to bid on Battery-Electric Transit Buses for Chicago Transit Authority

What the CTA is buying

The Chicago Transit Authority (CTA) is looking for proposals to manufacture and deliver 30 clean battery-electric transit buses. This solicitation also includes options for the CTA to purchase up to 220 additional buses, along with all associated spare parts. This is a significant opportunity for manufacturers in the electric vehicle and transit sectors.

Key dates and deadlines

The deadline for submitting proposals is August 28, 2026, at 6:00 PM ET. All responses must be submitted exactly as directed in the solicitation before this date and time. Late submissions are typically not accepted.

Who this opportunity suits

This opportunity is best suited for established manufacturers of transit buses, particularly those with expertise in battery-electric vehicle technology. Firms specializing in large-scale vehicle production and supply of related spare parts will find this relevant. The category for this solicitation is construction, indicating a focus on major infrastructure and equipment acquisition.

How to respond

To access the full solicitation details and documents, you need to go to the City of Chicago Vendor & Contract Search portal. Once on the solicitation's detail page, review the specifications, contact information, and any addenda. Documents for eProcurement bids are typically found via a link to the city's iSupplier portal.

Ensure you submit your proposal precisely as instructed within the solicitation documents. Pay close attention to all submission requirements and deadlines.

Tips for preparing a competitive response

When preparing your response, clearly demonstrate your firm's experience in manufacturing and delivering battery-electric transit buses. Highlight your production capacity and ability to meet the base order and potential option quantities. Provide detailed information on the technical specifications of your proposed buses and the quality control processes you have in place.

Address how you will manage the supply of associated spare parts, including inventory, delivery, and support. A strong proposal will also clearly outline your understanding of the Chicago Transit Authority's operational needs and how your product meets those requirements.