Give your surplus electricity a second route to value. Compare Bitcoin and other mining earnings with your real export payment, include the costs, and see when mining could make sense for your site.
Export gives you the payment in your tariff or contract, subject to its terms and connection limits. It needs no mining equipment and may be the better choice when tariffs are strong.
MINE
A controllable local load.
Mining can earn Bitcoin or other supported assets from available power. Revenue changes with price, network difficulty and equipment efficiency, while the hardware, cooling and maintenance still need funding.
RECOVER HEAT
A second use, when demand exists.
Useful heat may replace a bill you would otherwise pay. Count it only at the delivered temperature and hours of demand; keep backup heating and include integration costs.
Mining wins this comparison only when its income after fees, plus useful heat value, exceeds export forgone and all additional costs. A positive operating gain does not by itself justify the capital investment.
ALL MINERS / HIGHEST EARNINGS FIRST
Does mining beat your export rate?
Compare all catalogue miners across algorithms, ordered by highest gross daily earnings for your site inputs. Filter by algorithm, cooling or availability, then select a row to see energy use, its earning asset and the export comparison.
All algorithms · GBP · prices ex VAT
Check the highlighted inputs. Figures are paused until all values are within range.
All catalogue miners, highest gross daily earnings first for your site inputs. Each estimate uses the highest-earning available asset or service for that miner.
A fixed-rate illustration, not a forecast. Annual figures repeat these hours and rates for 365.25 days; use an annual-average operating profile. Excludes tax, financing, depreciation, repairs and any costs you have not entered. No flexibility payments assumed.
Gross p/kWh uses miner electricity only; site kWh and gain include your auxiliary-power allowance. All miner algorithms are included. Each estimate uses the highest-earning available 24-hour asset or service, labelled in its row. Alternative coins are not added together; NiceHash values are labelled as BTC-equivalent. Rows without estimates remain visible. Default order is highest gross £/day for your site inputs; miners outside the power budget have no modelled income. See the calculation method.
YOUR SITE / YOUR ENERGY
Give surplus power another route to value.
Match the miner to your available power and compare its income with the payment you would otherwise receive. Export can remain part of the plan.
Check the capital cost, resilience to lower mining earnings, maintenance, site permissions and power availability. Repeat the model using fewer operating hours and a lower earnings scenario.
NEGATIVE GAIN
Export is ahead on these inputs.
Try a more efficient miner or a verified heat use, but do not force a positive result with heat you cannot sell or use. A higher export payment can legitimately favour exporting.
ZERO EXPORT VALUE
Curtailed power is a different case.
Set export to zero only for energy that truly has no alternative revenue or avoided cost. Check curtailment compensation, storage opportunities and productive site uses.
UK EXPORT CONTEXT
Use your contract, not a generic tariff.
Ofgem explains that SEG suppliers choose their tariff rates and contract terms, and a SEG tariff must remain above zero. Eligibility and the terms of commercial export or PPA arrangements vary. Enter the payment you would actually receive for the hours being modelled.
A blended average can hide the valuable operating windows. Run separate scenarios where tariffs or the ability to export change.
02
Keep the same energy boundary.
Include miner power and extra fans, pumps or cooling. Size against the power left after existing business demand.
03
Count the real alternative heat cost.
If replacing a heat pump, compare with delivered heat cost after its COP. If displacing gas or oil, use boiler efficiency and actual fuel prices.
WORKED EXAMPLE / NOT A LIVE QUOTE
What the comparison is doing.
Illustrative inputs: 3 kW miner, 6 hours/day, 100% availability, no extra cooling load; gross revenue 8p per miner kWh, export 5p/kWh, pool fee 2%, other running costs £0.10/day.
Energy: 18 kWh/day. Mining gross: £1.44/day. Mining after pool fee: £1.4112/day. Export forgone: £0.90/day.
Without heat credit: gain = £1.4112 − £0.90 − £0.10 = £0.4112/day, before capital and omitted costs.
If 60% becomes useful heat worth 5p/kWh: 10.8 kWh of delivered heat adds £0.54/day, taking the gain to £0.9512/day. At an export rate of 15p/kWh, the no-heat gain becomes −£1.3888/day.
These values explain the arithmetic; they are not a current miner offer, export tariff or financial forecast. Use the catalogue table for dated product estimates.
CALCULATION NOTES
The method behind the comparison.
Power is kW. Energy is kWh. A 3 kW miner running for six hours uses 18 kWh before external pumps or cooling. Effective hours equal scheduled hours × availability. The power budget includes your auxiliary allowance.
Gain vs export = mining after pool fee + useful heat credit − export forgone − extra energy costs − other entered running costs
Keep the comparison consistent. Export forgone uses all electricity consumed by the installation, including auxiliary loads. The model assumes that energy could earn your entered export rate. For genuinely curtailed electricity with no alternative buyer or curtailment payment, enter zero. Where only part can be exported, model those hours separately.
Heat credit is an avoided cost, not extra electricity. Useful heat is miner electricity × the useful-heat percentage. That percentage includes recovery losses and whether demand exists at the time. Apply the cost of the heating you actually displace; do not count both heat-sale revenue and an avoided fuel bill for the same heat.
Dates and limitations. Earnings reuse the shop’s underlying mining data service across all miner algorithms. For each miner, the highest available 24-hour earning asset or service is selected and labelled; alternative assets are not added together. NiceHash is labelled as a BTC-equivalent valuation. Missing estimates remain unavailable rather than being treated as zero income. The source timestamp is shown for the selected miner. Future coin prices, network difficulty, reward halvings and hardware degradation are not forecast. Stock and listed prices can change. Installed costs and export-contract terms require a site-specific quote.
ONE INPUT / TWO USEFUL OUTPUTS
Two uses for the same energy.
Mining income and heat can contribute to the same site. Count only the heating you can actually displace, at the time and temperature you need.
Where your daily energy goes
Loading the selected scenario…
Your selected miner
Site electricity—
Electricity to miners—
Heat delivered usefully—
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Useful heat capturedShare of miner electricity in your inputs
Heat is a second use of the miner’s energy, not extra electricity. Only count heat delivered at the right temperature, when your site needs it.
36 detailed blog case studies, including 19 European examples, across renewable generation, agriculture and heat reuse. Explore original-source photographs, project evidence and transparent financial comparisons. Filter the archive or download its CSV. These are external projects and research, not installations claimed by The Mining Shop.
Evidence reviewed 29 September 2026. “Operator reported” means a published account, not an independent site audit or confirmation of uninterrupted operation today. Proposed projects, historical closures and modelling are labelled. This is a broad curated archive, not a claim to list every project worldwide.
36 case studies
No records match. Clear the search or choose another category or status.
Lent Hill Ag-Grid Digital uses electricity from manure and food-waste digestion to supply a flexible mining container. The operator reports a 300 kW grid-export limit alongside a 1 MW mining unit.
Application lesson. Separate engine output, site demand and permitted export when sizing a flexible load.
Evidence limits. Ag-Grid describes crypto mining without naming the mined asset. The account explains how the electricity is used, but does not establish Bitcoin earnings or recovery of heat from the miners.
Irish Farmers Journal visited Tom Campbell’s anaerobic-digestion site and its Scilling Digital Mining installation. The project uses stranded electricity beside a farm biogas plant.
Application lesson. A farm can add a local electricity buyer where export capacity is constrained.
Evidence limits. This account comes from a December 2022 site visit. The 500 kW figure is the AD plant rating, and the report does not measure heat recovered from the miners.
Bitcoin Brabant describes moving industrial miners into a hydrangea greenhouse where heat was useful. Its retrospective explicitly says the family-run greenhouse operation ceased in 2023.
Application lesson. Cheap electricity and a nearby heat customer must coincide for the business case to work.
Evidence limits. The greenhouse operation ceased in 2023. The retrospective describes an earlier pilot and says that only a few of the enquiries led to worthwhile installations.
Image: Bitcoin Brabant · Source Operator portrait from the retrospective; not a photograph of a currently operating greenhouse. Evidence: 2022 pilot; operator update 10 April 2026 Reviewed: 29 September 2026 · Link to this record
Genesis Mining and Swedish research and municipal partners developed a demonstration linking a mining container with a greenhouse. The project explored local food production using recovered heat.
Application lesson. Crop humidity, ventilation and winter design temperatures matter alongside available heat.
Evidence limits. Greenhouse area and scale-up figures are design or modelling claims, not evidence of annual commercial crop yields. Fish, algae and insect farming are discussed as further applications.
Canaan announced a 24-month proof of concept with Bitforest. Heat from liquid cooled Avalon equipment would preheat greenhouse boiler intake water through a separate heat-exchange loop.
Application lesson. Preheating can complement an existing boiler while preserving its ability to meet peak demand.
Evidence limits. Delivery was conditional on notice to proceed. The 90% heat-capture estimate and 95% uptime are targets; the filing says actual performance will be confirmed after full operation.
Image: Canaan Inc., via SustainableBiz Canada · Source Greenhouse photograph supplied with project reporting; commissioning is not established by this image. Evidence: 6 January 2026 Reviewed: 29 September 2026 · Link to this record
SAIHEAT’s annual report describes a Bitcoin-mining operation in Marietta and greenhouse and fish-pond facilities heated with recovered hot water. Earlier filings also describe an Ohio demonstration facility.
1 MW computing unit · 5,000 ft² greenhouse (2024 report)
Application lesson. Water loops let heat serve more than one nearby agricultural use.
Evidence limits. The company filing documents the deployment. It does not establish commercial fish yields, crop profits or an entirely renewable electricity supply.
MARA reports supplying heat at 55–78°C into an existing district heating network. At milder times, those temperatures allow direct integration without heat pumps.
Application lesson. Match the heating network’s seasonal flow and return temperatures before selecting equipment.
Evidence limits. Operator-reported output, not an independent measurement by The Mining Shop. Carbon-free electricity is not necessarily all renewable.
Application lesson. Include booster electricity and backup plant in the economics of higher-temperature heating.
Evidence limits. Heat-pump output and miner heat must be accounted for separately. Published figures are a site example, not a temperature guarantee for every hydro miner.
Sazmining describes a 2.5 MW site serving a former hospital converted into a business centre. Separate water loops transfer heat to the building, with backup heating retained.
Image: Sazmining · Source Presentation photograph from the operator’s account, rather than a photograph of the Kirkenes installation. Evidence: 28 February 2026; updated 1 March 2026 Reviewed: 29 September 2026 · Link to this record
GDA reports a heat-repurposing collaboration with Muttern Fastigheter that supplies hot air to local buildings using electricity described as hydroelectric.
A Norwegian site report describes Kryptovault directing warm air into containers of firewood for producer Varma. The report identifies a practical drying partnership beside the mining operation.
Application lesson. A nearby drying business can use warm air without needing a higher temperature steam system.
Evidence limits. The January 2022 visit records the arrangement at that time; it does not confirm current operation. Firewood drying conditions cannot be transferred unchanged to food or grain.
MintGreen’s TUMBLER immersion system is designed for Shelter Point Distillery’s whisky barrel-ageing process. Heat can transfer from the cooling fluid to air or a separate fluid circuit.
Up to 410,000 BTU/h stated heat capacity (about 120 kW)
Application lesson. Boiler feedwater preheating is a useful screening opportunity where recovered water is below process temperature.
Evidence limits. The page uses future tense and does not publish measured heat delivery. Preheating is an engineering interpretation; miners should not be described as generating steam directly.
Image: MintGreen / Container Brewing · Source Partnership product photograph; it does not establish commissioning of the heat system. Evidence: Undated partnership page; reviewed September 2026 Reviewed: 29 September 2026 · Link to this record
Application lesson. Long-duration evaporation can offer a steadier heat demand than space heating.
Evidence limits. Historical partnership announcement. Current operation, delivered temperatures and production savings are not established by this source.
Image: Vancouver Island Sea Salt · Source Producer’s product photography; a completed mining-heat installation is not established by the cited evidence. Evidence: 14 October 2021 Reviewed: 29 September 2026 · Link to this record
MintGreen and Crystal Lagoons describe a memorandum of understanding exploring the use of Bitcoin-mining heat to warm recreational lagoons and extend swimming seasons.
Image: Crystal Lagoons / MintGreen · Source Lagoon photography supplied with the collaboration announcement; it does not establish a completed mining-heat installation. Evidence: Undated MOU page; reviewed September 2026 Reviewed: 29 September 2026 · Link to this record
MintGreen and Sunport Structures describe a collaboration to combine solar infrastructure with Digital Boiler heating for commercial, residential, industrial and agricultural customers.
Image: Sunport Structures / MintGreen · Source Solar-structure photography from the partnership announcement; completed mining integration is not established. Evidence: Undated agreement page; reviewed September 2026 Reviewed: 29 September 2026 · Link to this record
Gridless describes revenue sharing agreements for otherwise unsold renewable electricity. Its controls reduce mining demand when other customers, such as water pumps or maize mills, need the power.
Application lesson. Give productive local demand priority and use mining as a flexible residual buyer.
Evidence limits. A portfolio operating model, not a UK tariff or a promise of free electricity. Revenue shares and infrastructure costs still affect returns.
Image: Gridless · Source Operator-published renewable-generation photograph; not a claim that every Gridless site uses solar. Evidence: 7 February 2025 Reviewed: 29 September 2026 · Link to this record
Soluna describes Dorothy 1 as a 50 MW campus in Texas, powered by wind, for Bitcoin mining and hosting. Its power agreements were designed around the wind farm’s curtailment and grid support needs.
MARA’s quarterly filing records its acquisition of a wind farm with 114 MW of nameplate wind capacity and a 240 MW interconnection. The stated aim includes monetising underused sustainable resources.
Blockstream documented construction of a Bitcoin-mining project with Block using Tesla solar and battery infrastructure, intended to demonstrate renewable-powered mining with public operating data.
Image: Blockstream, via Electrek · Source Historical equipment-delivery photograph from May 2022. Evidence: 13 May 2022 Reviewed: 29 September 2026 · Link to this record
Druk Holding and Investments describes using digital assets, including Bitcoin, to derive value from surplus hydropower while diversifying Bhutan’s energy system.
Evidence limits. A strategic operating account, not a site level kWh or profitability dataset. Country-level results are not transferable to a UK farm.
Image: Bitdeer · Source Historical construction photograph released in June 2023. Evidence: 18 June 2025 Reviewed: 29 September 2026 · Link to this record
BlokBlok describes a warehouse project combining air and immersion mining with the building’s water loop, with mining controlled in response to Nordpool electricity prices.
Green Bitcoin Farm describes a developing finca concept linking solar and wind electricity, Bitcoin mining, and drying of moringa, herbs, fruit or spirulina with recovered heat.
Image: Green Bitcoin Farm · Source Developer photography; the proposal’s operating performance is not independently established. Evidence: Project page reviewed September 2026 Reviewed: 29 September 2026 · Link to this record
Asgari, McDonald and Pearce experimentally assessed miner heating potential and modelled greenhouse systems at three mining scales across six North American locations.
Application lesson. Heat demand, ventilation, energy prices and Bitcoin assumptions can change feasibility materially.
Evidence limits. The greenhouse economics are modelled scenarios, not six proven commercial installations. Historical equipment and prices need updating.
Image: Asgari, McDonald and Pearce (2023), Energies 16, 1331, Figure 3 (CC BY 4.0) · Source Research-source container photographs; the greenhouse results discussed are modelled. Evidence: 27 January 2023 Reviewed: 29 September 2026 · Link to this record
A Bitcoin Park event account records Robert Warren’s experience using an S9 miner for laundry drying and later directing mining heat into his home’s HVAC return.
Image: Bitcoin Park · Source Speaker photograph from the source presentation, not a photograph of the home installation. Evidence: Bitcoin Takeover 2026 Reviewed: 29 September 2026 · Link to this record
27 / Usk, Washington, USAHistorical operation / evolving use
Ponderay Industries reported that Merkle Standard began operating a mining data centre at its paper-mill campus in 2022. The mill had entered bankruptcy in 2020 and was acquired in 2021. This is a reuse of industrial land and power infrastructure, rather than evidence of paper waste being converted into mining fuel.
Application lesson. Investigate the value of an existing industrial connection, buildings and heat demand before assuming a new power plant is necessary.
Evidence limits. Mill restart plans, mining operations and later AI infrastructure plans are different activities. Infrastructure ratings and regional hydropower shares do not establish continuous mining demand, direct renewable supply or project profitability.
Terahash says its Genesis site went live on 31 October 2024. The 1 MW installation supplies heat to a district network serving industrial and residential demand, with electricity described by the operator as renewable.
Application lesson. A nearby heat buyer can be as important to site selection as a competitive electricity contract.
Evidence limits. The source does not publish an audited annual heat balance or a complete project cash flow. A town’s population is not the number of homes heated by this installation.
Terahash documents a car wash using a 150 kWp PV canopy and up to 20 kW of water cooled mining. Heat serves wash water and winter floor heating. A 2,000-litre hot-water tank and a secondary heat pump help manage demand.
Application lesson. Year-round washing demand can offer a useful heat destination, while a heat pump covers conditions that do not favour mining.
Evidence limits. The promotional revenue range is not a current price quote or measured annual profit. Solar nameplate capacity does not establish the share of mining electricity supplied by solar over a year.
In November 2024, Deutsche Telekom announced a pilot with Bankhaus Metzler at RIVA Engineering in Backnang. Metis Solutions hosts the container and Telekom MMS operates the miners. RIVA has on site photovoltaic generation. The purpose is to collect field evidence for flexible use of surplus electricity.
Application lesson. Instrument a pilot before scaling: record the surplus, export alternative and actual response of the mining load.
Evidence limits. The announcement is not a published operating-results dataset. It does not establish miner capacity, realised returns, grid-service payments or a heat reuse installation.
SunBit describes a 2024 installation in a 3,000 m² industrial hall. Mining heat works alongside an air-to-water heat pump, reducing reliance on oil. The site also has a 30 kW solar array.
SunBit identifies Lekkum as its first international project in 2025. A local team installed a Bitcoin Boiler to replace gas heating at a commercial property.
Application lesson. A local installer and clear service responsibilities matter when integrating specialist computing equipment with an existing heating system.
Evidence limits. The source does not give the miner capacity at this property, an annual energy balance or an independently verified financial return.
SunBit reports fitting a Bitcoin Boiler alongside the oil boiler in a 200 m² Kotka home. An outdoor unit rejects unwanted summer heat and allows additional use of solar surplus.
Application lesson. Hybrid heating can preserve resilience while allowing mining to run only when heat demand or electricity economics justify it.
Evidence limits. The published reference is not a metered annual cost comparison. Keeping an oil boiler does not establish how often either heat source operates.
Terahash describes a commissioned system at Nebona’s spice factory: a Heatcore HS20 with two Whatsminer M63 units uses surplus rooftop solar power and supplies hot water to a buffer tank. The existing heating system remains available.
Application lesson. Separate useful building heat from production-process requirements, and prioritise the factory’s productive electricity demand.
Evidence limits. The reference describes building and hot-water integration, not proof that mining heat runs every spice-processing stage. Its historical mining-revenue range is guidance, not a guaranteed yield.
Terahash describes Kläger Group’s Hartha energy park with a 1.6 MWp solar array, a 350 kWh battery and a mining container able to absorb up to 500 kW. The container is intended to buy surplus left by industrial production, with storage and grid export also available.
1.6 MWp solar · 350 kWh battery · up to 500 kW mining
Application lesson. Compare mining, storage and export using the value of the same surplus electricity at the same time.
Evidence limits. Power and stored energy are different quantities. The source does not publish a full dispatch dataset, annual profit or an independently verified saving. Heat recovery is not documented in this reference.
Bathhouse says it began a pool-heating mining pilot in 2022. Its technical explanation describes immersion-cooled ASICs, a dielectric-fluid circuit and heat exchangers that transfer heat into pool plumbing. The comparison is with its previous electric resistance heaters.
Application lesson. A steady pool-heating load can use mining heat for longer than seasonal space heating, provided recovery and water-system separation are designed correctly.
Evidence limits. The comparison with resistance heating does not show that mining uses less electricity than a heat pump. The operator’s account concerns its own installation and does not establish a payback period for other pools.
Evidence: Operator explanation updated 22 April 2024 Reviewed: 29 September 2026 · Link to this record
COMMON QUESTIONS
Mining and exporting can coexist.
Must I disconnect from the grid?
No. A suitable site can keep export available and run mining as a controllable load. Actual wiring, metering, import/export limits and permissions depend on the installation; an electrician and relevant network parties must confirm the design.
Can you guarantee mining beats my SEG tariff?
No. Your export price and mining earnings can both change. The model compares stated inputs and shows negative results where exporting is ahead. It is not a guaranteed return or a tariff recommendation.
Why is the shop’s headline earning figure different?
This table covers all miner algorithms and selects each miner’s highest available 24-hour earning asset or service, then scales revenue to your operating hours, availability and miner count. The shop can use a different earnings source or filter. Each row names its asset; NiceHash is labelled as BTC-equivalent, and alternative assets are not summed.
Does payback include the export income I give up?
Yes. Incremental simple payback uses the gain after export forgone and the costs you entered. It adds listed miner purchase cost to your entered installation budget, excluding VAT. It assumes unchanged earnings and has no resale value, financing, tax or difficulty forecast.
What should I send for an assessment?
Your generation and export profile, import and export prices, connection limits, site location, available space, heat demand and temperatures, plus your budget. For seasonal renewables, a full year of half-hourly data is much more useful than a single sunny-day output.
FROM IDEA TO A SITE-SPECIFIC PLAN
Bring your energy data. We’ll work through the fit.
Start with generation, your export contract, available power and a real heat load. We can help shortlist equipment and assess the electrical, cooling and operating requirements.
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