At the most-recent round of global
climate talks in Scotland last month, governments for the first time acknowledged that fossil fuels were the main driver of global warming, although coal-dependent countries, including India and China, would only agree to "phase down" coal-fired power.
While HSBC, in common with peers, had previously set out a high-level commitment to reach net zero carbon emissions across its customer base by 2050, activists had criticised the strength and detail of its policies.
That prompted some investors to back a planned shareholder vote on the issue at the company's annual meeting this year, although they withdrew the threat after the company pledged to release details on coal by the end of this year.
In a victory for campaigners, HSBC said its new policy would apply to all parts of its business, including its $621 billion asset management arm, and cover all aspects of financing, including refinancing and advisory services.
The bank said it would next year announce a science-based target for coal-fired power in line with capping global warming at 1.5 degrees Celsius (2.7 Fahrenheit) above pre-industrial averages, with progress on cutting thermal coal financing to be published annually.
The bank said it would withdraw services from any client that seeks to expand thermal coal production after Jan. 1, 2021, and would no longer finance clients in EU/OECD markets for which thermal coal makes up more than 40% of revenues, or 30% from 2025, unless the money is explicitly used for clean technology or infrastructure.
While peers including Standard Chartered
(STAN.L) and Natwest have set tougher targets, HSBC is more exposed to energy clients with a heavy reliance on coal and says it needs to work with them to help them shift to greener energy.
"What will make or break the world's ability to get to this 1.5 degree target is... (for) the energy transition in Asia to happen at the speed and scale it needs to happen, and we need to be at the heart of influencing that."
For clients outside the EU and OECD, HSBC said it would evaluate their transition plans before deciding whether to offer finance, acknowledging the infrastructure, policy and resource obstacles many face compared to developed market peers.
HSBC said it expects clients to publish their own transition plans, although campaigners, including ShareAction, have previously said such language would leave HSBC too much wiggle room.
The "spirit of the policy" would also cover intermediaries and the parent group of any client that falls outside the policy, and HSBC would ask for a commitment that no finance flowed to that entity, Herweijer said.
"We are not expecting every client to have a credible transition plan... in those cases, we will have to move away from those relationships," Herweijer said.