Bitcoin Miners Curtail June Output Amid Grid Constraints and Weather Pressures
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Bitcoin miners reported a drop in Bitcoin (BTC) production in June, strategically cutting output by 12%–25% to manage power costs and mitigate disruptions from extreme weather.
June Curtailments Reflect Tactical Power Management and Weather Disruptions
Texas-based miners implemented “economic curtailment” strategies in June, adjsuting operations under ERCOT’s Four Coincident Peak (4CP) program to minimize transmission fees during high-demand periods.
Riot Platforms mined 450 BTC, a 12% drop from May’s 514 BTC. Meanwhile, Cipher Mining also disclosed mining 160 BTC and sold 58 BTC to maintain liquidity, retaining 1,063 BTC in reserves.
Similarly, MARA Holdings saw a sharper 25% drop in production as it mined 211 BTC in June, as against 282 BTC mined in May. MARA CEO Fred Thiel attributed the production decline to “reduced uptime from weather-related curtailment.”
In contrast, CleanSpark mined 445 BTC in June, a 6.7% production increase that exceeded its 20 EH/s midpoint target.
https://twitter.com/lwsresearch/status/1940751267967443171
Strategic Curtailments Highlight Industry’s Shift Toward Energy‑Aware Mining
The recent dip in Bitcoin production highlights an ongoing industry dilemma.
Miners must carefully manage short-term energy costs while addressing broader environmental concerns. Texas provides a clear case study of this balancing act.
During the 2023 heatwave, the state grid operator paid Riot $31.7 million to temporarily shut down operations. This strategic move helped stabilize the grid while saving billions in potential infrastructure costs.
https://twitter.com/MagninAlex/status/1937957598516727973
Energy challenges vary significantly across global markets. South Africa’s Eskom utility uses Bitcoin mining to absorb excess generation capacity. Norway takes a different approach by imposing strict limits on hydroelectric-powered miners.
These regional differences create a complex operating environment for an industry already facing fundamental changes. Network data reveals important shifts in mining economics. June saw the largest difficulty adjustment since 2021, with a 7.5% decrease easing some operational pressures.
However, analysts at JPMorgan warn that sustained reductions in hash rate could compromise network security.
https://twitter.com/MARA/status/1940108144644165668
Marathon Digital CEO Fred Thiel succinctly summarizes the situation.
“Curtailments are a strategic necessity but expose operational risks,” he explained.
Meanwhile, new entrants such as NIP Group and TWL Miner, which have recently secured $95 million in Series B funding, demonstrate that institutional interest remains strong despite the challenges.
Regulatory developments add another layer of complexity. The U.S. Senate’s GENIUS Act, passed in June 2025, mandates stricter cryptocurrency security standards that could impact miner operations.
With mounting regulatory and environmental pressures, miners are likely to pivot toward sustainable energy sources or explore relocation options. However, such strategies may erode profit margins unless infrastructure and policy support keep pace with them.
