The Integrity Council for the Voluntary Carbon Market decided existing renewables methodologies don’t do enough to prove their emissions reductions are additional
Carbon credits generated from renewable energy projects have failed to obtain a new quality label from a key oversight body, casting fresh doubt on popular emissions offsets favoured by multinational companies like Audi, Shell and Total.
The Integrity Council for the Voluntary Carbon Market (ICVCM) announced on Tuesday that eight renewable energy methodologies, which cover about a third of the carbon credits available on the voluntary market, cannot use its “Core Carbon Principles” (CCP) seal of approval.
The ICVCM, an independent watchdog, aims to address widespread concerns over the quality of carbon credits after many projects have been accused of overstating their climate and societal benefits. It is assessing groups of offsetting projects to determine whether they comply with the CCP criteria, which are designed to identify and encourage high-integrity carbon credits that meet requirements on governance, emissions reduction and sustainable development.
The body said existing standards are not strict enough on judging whether renewable energy projects need the funding generated by selling carbon offsets in order to go ahead – a concept known as “additionality”. But it emphasised that renewables like solar, wind and hydropower are key to tackling climate change and carbon credits “still have a role to play” in financing them.
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Since the eight methodologies were designed as long as 20 years ago, the cost of renewables has collapsed, and their profitability in many parts of the world has rocketed, meaning they are more likely to make money without needing extra revenue from selling carbon offsets.
The ICVCM said that “for several years, carbon market experts have noted concerns about the additionality of many renewable energy activities and the difficulties in transparently demonstrating the additionality of these activities approved under existing methodologies”.
Major carbon-credit registries like Verra and Gold Standard stopped accepting new grid-connected projects in 2019, with the exception of those located in least-developed countries (LDCs).
But pre-existing renewable energy activities continue to generate a sizeable chunk of all the offsets available on the registries.
According to a recent analysis by Carbon Market Watch, over 280 million renewable energy credits are available in the voluntary carbon market. If companies and individuals used all those credits, that would compensate on paper for emissions equivalent to the amount of carbon dioxide Thailand released into the atmosphere last year.
Inigo Wyburd, a policy expert at Carbon Market Watch, called the ICVCM’s decision “a positive step”. “It sends a clear message to tackle the issue of the many low-quality credits still in circulation and undermining the market,” he told Climate Home.
Despite long being written off as largely worthless by climate experts, renewable energy credits are still popular among corporate buyers.
Fossil fuel majors like Shell and Total, automakers and cruise operators were among the biggest purchasers of renewable energy credits over the last 12 months, an analysis of Verra’s database shows.
In one transaction last year, German carmaker Audi used nearly 100,000 carbon credits generated in 2021 from an Indian solar project to claim that its handover of electric vehicles in Europe and the United States was “CO2 neutral” despite the emissions involved in producing them.
Japanese parcel delivery service Yamato Transport Company and public entities like Australia’s Brisbane City Council and Western Sydney University also relied on renewable offsets to claim carbon neutrality in 2023.
Because of earlier concerns about whether carbon offsets generated by renewable energy deliver the emissions reductions they claim, their price has been falling over the last two years.
According to data provider MSCI, the average price is just $2 per tonne of carbon dioxide equivalent reduced – less than half the price of offsets derived from projects aiming to protect forests, tackle methane emissions or promote energy efficiency. Renewable energy credits are likely to see further falls in price after the ICVCM’s rejection.
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But Amy Merrill, CEO of the ICVCM, left the door open to better renewables methodologies obtaining CCP approval. She called on carbon crediting programmes to develop methodologies “that better reflect the rapidly changing and variable circumstances around renewable energy deployment”.
“While renewable energy costs have fallen dramatically around the globe over the past decade,” she said, “they have not fallen evenly across all countries and high up-fron
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