Zefiro Methane: Certificates from the Wellbore
Over a 20-year time horizon, methane is at least 80 times more potent than carbon dioxide as a greenhouse gas. This is precisely why a separate market is emerging around the elimination of methane leaks. At the center of it all: Zefiro Methane, a Vancouver-based company that specializes in plugging abandoned oil and gas wells in the neighbouring United States. From such wells, this climate-killing gas escapes unchecked into the atmosphere for decades. Since the original operators are often insolvent or cannot be located, states, foundations, and specialized companies like Zefiro, through its US operating subsidiary Plants & Goodwin, are increasingly stepping in. Just last week, the company agreed to a partnership with the Well Done Foundation, which is active in 18 US states; an initial contract covers the remediation of 10 wells in the Deep Fork National Wildlife Refuge in Oklahoma, with at least 20 more to follow in 2027. The state of Ohio had previously awarded Zefiro a contract worth USD 19.6 million. At the same time, the company is launching the sale of CO₂ credits certified for orphaned wells using a new methodology from the American Carbon Registry.
Prices for such voluntary offset credits vary widely, ranging from USD 1 to over USD 1,000, depending on the project behind them. In particular, CO₂ credits from forest conservation projects have recently come under increasing criticism, as it has emerged that the affected areas were often already under protection years before the credits were issued. The additional benefit is therefore questionable. Credits derived from plugging orphaned wells that demonstrably prevent methane emissions are considered significantly higher in value. To ensure they are marketed professionally, Catherine Flax, who has served as CEO since June 2025, has brought experts in CO₂ credit trading from her former employer, JPMorgan, to Zefiro.
But even without the trading of carbon credits, Zefiro shares are worth a closer look. Since Flax took office, operating costs have fallen by about half, the company has reduced its short-term debt by USD 3 million, and it has posted a positive operating result for several consecutive quarters. For the first nine months of fiscal year 2026, which began in the summer, Zefiro reported revenue of over USD 33 million and earnings before interest, taxes, depreciation, and amortization (EBITDA), adjusted for one-time items, of USD 4.25 million. The revenue of USD 50 million expected for this year contrasts with a market capitalization equivalent to just USD 42 million (CAD 58 million). The potential for the stock, which trades in Canada at around CAD 0.60 (EUR 0.41 in Germany), is correspondingly high as soon as it becomes apparent that, thanks to the strong order book and the new business segment of certificate trading, the company will be in the black even after interest, taxes, and depreciation in the near future.
Munich Re: Hedging with a Dividend
Precisely because Zefiro’s certificates are based on a brand-new methodology, they are not readily bankable for institutional buyers—and this is exactly where Munich Re comes into play. The group, which has operated internationally as Munich Re since 2009, maintains its own business in so-called “Green Solutions” through its Global Markets Syndicate division, which, among other things, insures the delivery risk between the launch of climate protection projects and the actual issuance of certificates. An industry analysis ranks the Munich-based company alongside Swiss Re and the French reinsurer SCOR as one of the leading providers in this segment, which reached USD 1.8 billion in 2025 and is expected to exceed USD 2 billion this year. For a DAX-listed company with a market capitalization of approximately EUR 62 billion, this is a niche business, but it shows that insurance companies are increasingly positioning themselves as providers of coverage for the climate certificate trade.
The Bavarian company’s core business has been performing brilliantly lately, but it appears there may be a hitch. In the first quarter of 2026, consolidated net income rose by 57% to EUR 1.71 billion. However, the Executive Board may have to scale back its full-year targets. In a recent interview, CFO Andrew Buchanan explained: “As part of our work on the half-year financial statements, we will be looking very closely at the business in the pipeline for the third and fourth quarters. That will determine what forecast we provide to the market.” Traders now expect that the company might reevaluate its previous statements regarding business performance.
The half-year results are expected on August 7; then we will see where the company is headed. The stock has lost more than 10% since the start of the year and is currently trading at around EUR 504.80, well below its all-time high of EUR 600 reached in the spring of 2025. For investors with a long-term perspective, a pullback in the share price following a slight downward revision to the forecast after the half-year results could present a good buying opportunity. The price-to-earnings (P/E) ratio of 10 suggests a moderate valuation, complemented by a generous dividend yield of just over 5%.
Equinor: Oil Boom Drives Stock and Profits
While Munich Re insures the risk in certificate trading, on the buyer side stands a giant worth the equivalent of EUR 80 billion that makes its money from the very source of the problem: the Norwegian oil and gas company Equinor. The company has expanded its partnership with the Danish energy provider Ørsted to include so-called removal certificates, which actively remove CO₂ from the atmosphere. However, according to its own climate strategy, the group, which is two-thirds state-owned, may use purchased certificates to cover no more than 10% of its 2030 emissions reduction target. At least 90% must come from actual physical reductions in oil and gas production.
Business is booming in this sector due to the current high energy prices. Revenue rose by nearly 40% year-over-year in the second quarter to USD 35.18 billion, while net income skyrocketed from USD 1.31 billion to USD 4.84 billion, driven by a 3% increase in production to approximately 2.17 million barrels of oil equivalent per day. “Strong production in the second quarter allowed us to benefit from higher prices, which contributed to strong cash flow and robust financial results,” said CEO Anders Opedal, commenting on the figures, which were well above analysts’ expectations. Despite the interim correction in oil stocks, the share price has risen 57% since the beginning of the year to NOK 380 (about EUR 36). With a P/E ratio below 10 and a current dividend yield of about 4.3%, Equinor, like Munich Re, remains a classic value investment.
Conclusion: Three Companies, One Shared Market
The still-young but growing market for carbon credits offers a range of new business ideas. Zefiro creates the offering, Munich Re insures the associated risk, and Equinor purchases a portion of it without calling its core fossil fuel business into question. For investors, this results in three completely different investment profiles: a speculative penny stock with great future prospects, an established reinsurer with an attractive dividend yield, and an oil and gas company that benefits from high energy prices while also striving to minimize the emissions it generates. Anyone observing this market should be aware that it is still in an early stage, in which regulation, methodology, and pricing are still in flux. However, it is precisely this early phase that makes Zefiro, Munich Re, and Equinor beneficiaries of the same long-term trend—albeit in very different ways.
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