Last mentioned: Mar 12, 2026
Current Rollback
The EPA announces a new rule to weaken limits, citing industry economic relief.
Standards Strengthened
The Biden administration restores and tightes mercury limits to record levels.
Cost-Benefit Revision
The EPA under the Trump administration weakens the legal justification for the rule.
MATS Established
The Obama administration issues the first national standards for mercury emissions from power plants.
The rapid expansion of AI-driven data centers is placing unprecedented strain on the US power grid, forcing utilities to accelerate infrastructure spending. As energy demand forecasts are revised upward for the first time in decades, residential and industrial consumers are facing significantly higher electricity bills to fund grid modernization and new generation capacity.
The Environmental Protection Agency has officially weakened mercury and air toxics standards for coal-fired power plants, reversing years of stringent environmental oversight. This regulatory pivot aims to reduce operational costs for the aging coal fleet but faces immediate backlash from public health advocates and environmental groups.
Duke Energy's Carolinas-based nuclear fleet achieved a historic 96.9% capacity factor in 2025, marking the highest operational efficiency in the company's history. This performance unlocked approximately $600 million in federal nuclear production tax credits, which are being passed directly to customers to mitigate rising energy costs.
Duke Energy has proposed a 15% rate increase for North Carolina customers, citing the massive infrastructure investments required to meet surging energy demand from data centers. The request has ignited a fierce debate over whether residential ratepayers should subsidize the power needs of the burgeoning AI and cloud computing sectors.
This page surfaces every story mentioning Duke Energy across our climate coverage. We track each entity's appearance over time so readers can trace how the narrative evolves — which developments are isolated incidents, which build into longer arcs, and which reframe how operators in the space think about the entity. Story selection uses the same multi-source verification gate applied across the rest of our coverage.
Read our editorial methodology for how we identify, deduplicate, and score entity references. Our glossary defines the technical terms used across stories on this page, and our trends index contextualizes individual developments against the longer-running climate beat. Cross-entity comparisons live on our compare view.
| What you see | What it tells you |
|---|---|
| Story count | Number of distinct stories where Duke Energy was a primary or referenced actor. |
| Recency clustering | Whether mentions are concentrated in a recent window (a news cycle) or distributed (a sustained arc). |
| Sentiment distribution | Aggregate sentiment of the stories mentioning this entity, weighted by impact score. |
| Cross-niche links | When the same entity surfaces in our sibling networks, we link to those views to enrich context. |