Thopen is exploring ways to monetize excess renewable output by converting surplus solar into on-site Bitcoin computing.Thopen is exploring ways to monetize excess renewable output by converting surplus solar into on-site Bitcoin computing.

Solar Bitcoin mining in Brazil: 3 things to watch for miners

2025/10/30 18:07
solar bitcoin mining brazil

Thopen is exploring ways to monetize excess renewable output by converting surplus solar into on-site Bitcoin computing, a model discussed in a Reuters report on 30 September 2025. The proposal forms part of a broader solar Bitcoin mining pivot intended to limit curtailment and add revenue streams.

What is Thopen Bitcoin strategy and how could it reshape Brazil solar mining?

Thopen is evaluating dedicated mining containers that would absorb curtailed solar output and run Bitcoin rigs when grid demand is low. The approach creates a flexible, modular load that can be switched on as renewable generation peaks, converting otherwise wasted energy into asset-backed income. Operational alignment with grid dispatch and heat-management will determine pilot success.

What did CEO Gustavo Ribeiro tell BNamericas?

Gustavo Ribeiro spoke with BNamericas and framed the plan as pragmatic rather than speculative, noting commercial pilots are under consideration. Ribeiro emphasised regulatory clarity and careful testing before any large capital deployment. Industry experts say pilots typically run 6–12 months to validate curtailment absorption and commercial returns.

Can energy to crypto conversion reduce renewable energy curtailment?

Energy to crypto conversion offers a dispatchable sink for surplus power, potentially lowering forced curtailment rates and improving plant economics. The ability to rapidly ramp computing loads and appropriate tariff design are decisive for net system benefit. Reuters has reported that some projects under discussion in Brazil reach scales of hundreds of megawatts, illustrating the potential size of merchant demand.

How would solar power curtailment solutions compare to stranded gas Bitcoin mining?

Compared with stranded gas Bitcoin mining, solar-linked mining avoids combustion emissions and can be sited beside PV arrays to minimise transmission losses. Solar solutions may face fewer environmental permitting hurdles but still raise grid-stability questions. Regulators will likely evaluate both environmental impacts and system reliability before approving large deployments.

Note: Any pilot or scale deployment will require clear regulatory guidance, transparent reporting and stakeholder engagement to avoid market distortion and local opposition.

How does the hydroelectric bidding process influence deployment timing and market access?

The hydroelectric bidding process and broader auction calendars dictate when capacity can be marketed or curtailed, affecting when mining loads could legally operate. Developers must align proposals with contracting windows, grid interconnection procedures and dispatch rules to avoid penalties. Delays in auctions or changes to market rules can postpone commercial rollouts.

Execution will hinge on auction cycles and regulatory clearance. In brief, Thopen’s proposal could reduce curtailment and create revenue, but material rollout depends on timing, policy decisions and technical integration.

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Why Is Crypto Down Today? – October 30, 2025

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Ethereum (ETH) slipped 3.6% to $3,868, while BNB (BNB) dropped 0.5% to $1,107. XRP (XRP) recorded a 4.4% decline to $2.54, and Solana (SOL) lost 3.9%, now priced at $190.92. The biggest drop among the top 10 came from Dogecoin (DOGE), which fell 4.4% to $0.1872. Despite the broader downturn, a few altcoins posted impressive gains. Aurora (AURORA) surged 65.1% to $0.08555, while Jelly-My-Jelly (JMJ) and Anvil (ANVL) rose 50.6% and 44.0%, respectively. In contrast, PepeNode (PNODE) and BlockchainFX (BFX) topped the list of trending tokens despite declines of 19.7% and 5.7%, showing strong retail interest amid market volatility. Meanwhile, Swiss-based asset manager 21Shares has filed with the US Securities and Exchange Commission (SEC) to launch a Hyperliquid (HYPE) exchange-traded fund (ETF) amid growing institutional appetite for altcoin-linked investment products. 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On the downside, failure to hold current support could open the door to $107,500, followed by a stronger support area around $105,000. Meanwhile, Ethereum trades at $3,865, down 0.99% in the past 24 hours. The coin has been hovering near the $3,850–$3,900 zone after slipping from its weekly high near $4,100. If ETH breaks above $3,950, it could attempt to retest $4,200 and then $4,400, where selling pressure has repeatedly capped rallies. However, a drop below $3,800 may lead to a deeper pullback toward $3,650–$3,700 in the short term. Meanwhile, market sentiment has tilted slightly more bearish, with the Crypto Fear and Greed Index falling to 34, signaling “Fear.” The index was at 39 yesterday and 43 a month ago, indicating a steady decline in confidence as traders remain cautious amid price volatility. The shift reflects ongoing uncertainty in the market, with participants holding back from aggressive positions while awaiting clearer signals from macroeconomic developments. The US Bitcoin spot exchange-traded funds (ETFs) saw a sharp reversal on Wednesday, recording $470.7 million in outflows, according to data from SoSoValue. The total cumulative net inflow now stands at $61.87 billion, with total net assets valued at $149.98 billion, representing 6.75% of Bitcoin’s market capitalization. Among the funds, Fidelity’s FBTC led the outflows with $164.36 million, followed by Ark & 21Shares (ARKB) with $143.8 million, and BlackRock’s IBIT with $88.08 million. Grayscale’s GBTC also saw $65.01 million leave the fund. The US Ethereum spot ETFs also recorded $81.44 million in outflows on Wednesday. The total cumulative net inflow now stands at $14.65 billion, while total net assets are valued at $26.60 billion, representing 5.58% of Ethereum’s market capitalization. Among the nine ETFs, BlackRock’s ETHA was the only major fund to post gains, taking in $21.36 million. 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CryptoNews2025/10/30 23:12