Climate Action 100+

Phaseouts

Explore our proposed phaseout pathways for CA100+ focus utilities. These pathways outline a gradual, effective, and Paris-Aligned plan to shut down fossil fuel capacity.

We provide multiple scenarios to compare the company's current (BAU) trajectory against Paris-Aligned pathways, such as a Net Zero by 2050 scenario. This can help identify the most effective and feasible ways to transition to a low-carbon economy.

Constellation

Coal phaseout scenarios for Constellation

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Source:
  1. CTI
  2. IEA
Updated:
  1. Data (Sep 2023),
  2. ...

Notes

We modeled a coal or gas retirement schedule for each country based on the competitiveness of each unit within its operating region. We rank the units to develop a retirement schedule, based on the authority, region, or grid responsible for maintaining security of supply. In regulated markets, we rank the units based on the operating cost, while in liberalized markets, we rank units based on gross profitability. By comparing unabated coal/gas-fired generation in a Net Zero (or other) scenario for each region, the highest cost or least profitable units are shut first, and thus we can identify the Paris-aligned retirement year for each unit.

Business as Usual (BAU): Represents a future without significant changes in policies or efforts to address climate change. Assumes the continuation of current energy practices and trends. Projects a trajectory with high greenhouse gas emissions and limited progress toward sustainability goals.

Stated Policies Scenario (STEPS): Reflects the prevailing direction of energy system progression based on existing and under-development policies. Incorporates specific sector-by-sector evaluations of policies and measures as of August 2023. Provides a conservative benchmark and does not assume automatic achievement of all announced goals.

Announced Pledges Scenario (APS): Assumes full implementation of all recent climate targets and pledges, including net zero commitments, regardless of legal anchoring. Incorporates ambitious climate goals announced by governments and industries up to August 2023. Offers a more optimistic outlook for emissions reductions and clean energy technology adoption compared to STEPS.

Sustainable Development Scenario (SDS): Focuses on achieving sustainable development goals alongside climate objectives. Balances energy access, air quality improvement, and emissions reduction. Requires strong policies to align with sustainability targets.

CTI's Net Zero Emissions by 2050 Scenario (CTI_NetZero2050): Our in-house Net Zero by 2050 scenario, inferred from the IEA NetZero by 2050 scenario. We interpolate the IEA's scenario to the regional level based on a fair share of demand reductions.

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