Westport Fuel Systems opens US$25m equity facility with Roth

The TSX/Nasdaq-listed alternative-fuel systems supplier has arranged a committed equity facility for working capital and general corporate purposes.

By Rowen Brooks Wed, 23 September 2026 AI level 2 of 5

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Westport Fuel Systems, the Vancouver-based supplier of alternative-fuel components for commercial vehicles, has entered into a committed equity facility (CEF) of up to US$25 million with Roth Principal Investments (RPI), an affiliate of Roth Capital Partners. The arrangement, signed on 15 September 2026, gives Westport the option to issue and sell common shares to RPI by private placement, though the company is under no obligation to draw on the full amount.

Westport said it intends to use any net proceeds for working capital and general corporate purposes, a broadly defined mandate that signals balance-sheet flexibility rather than a specific capital project or technology deployment. The company trades on both the Toronto Stock Exchange and the Nasdaq under the ticker WPRT.

Deal mechanics

The facility carries a standard Nasdaq constraint: Westport may not issue shares to RPI in excess of 19.99 per cent of shares outstanding at the time the agreement was signed, unless shareholders approve a higher threshold. This exchange cap, common in at-the-market and private-placement structures, limits how much capital the company can access without additional governance steps. Westport intends to file a registration statement with the US Securities and Exchange Commission to allow RPI to resell any shares acquired under the facility; shares may not be resold until that registration becomes effective.

The company also plans to rely on the eligible interlisted issuer exemption under section 602.1 of the TSX Company Manual, which streamlines approval for companies listed on both Canadian and US exchanges.

Market context

Westport's product line covers fuel systems and components that allow commercial vehicles to run on compressed natural gas, renewable natural gas (RNG) and hydrogen, supplying original equipment manufacturers (OEMs) across Europe, North America and Asia. The company positions itself at the intersection of the near-term RNG market, where fleet operators can decarbonise without replacing vehicles outright, and the longer-term hydrogen transition.

The commercial vehicle alternative-fuels space remains capital-intensive and earnings-volatile. Several peers in the sector have faced margin pressure from supply-chain costs and uneven fleet-adoption rates, factors Westport's own forward-looking disclosures acknowledge as ongoing risks. Equity facilities of this structure, where the issuer retains discretion over timing and volume, are a common instrument for mid-cap cleantech companies that need liquidity headroom without committing to a fixed raise at a potentially disadvantaged price.

Roth Capital Partners has a track record of providing capital to growth-stage and mid-cap companies in North America, though the firm is not specifically identified as a cleantech-focused investor. The CEF structure does not imply any new strategic partnership or technology collaboration between the two parties.

The announcement carries no detail on Westport's current cash position, its projected operating cash burn, or whether the facility is intended to bridge the company to a specific revenue or profitability milestone. Investors tracking the company will look for those figures in Westport's next quarterly filing, alongside any update on its hydrogen joint venture and the pace of RNG system orders from fleet customers.