Frequently asked questions.

Wattoshi Save connects to your smart meter via a smart meter reader or API depending on where you live. When you save energy, those savings are tracked and the value of the energy you have saved can be used to cover your Bitcoin savings plan or be saved in bitcoin whenever and how you like.

You can earn the value of the KWh you save in Bitcoin. What your KWh is worth are following the market price of KWh and the related fees you would pay to use this KWh instead of saving it. Example, if market price of your KWh is 0,25 and the related fees are 0,15 you will save 0,40 for each KWh you save. Using Wattoshi you will learn to maximize the value of your saved KWh over time.

The setup cost of Wattoshi will be a Smart Reader if you dont live in a area with max +15 min delayed data. We recommend the Wattoshi Smart Reader - see all Smart Readers you can use with Wattoshi in the wiki.

Wattoshi Solar connects to your smart meter via a smart meter reader or API depending on where you live. When you export energy, those earnings are tracked and the value of the energy you have sold can be used to cover your Bitcoin savings plan or be saved in bitcoin whenever and how you like.

You can earn the value of the KWh you export in Bitcoin. What your KWh is worth are following the market price of KWh in your area. Using Wattoshi you will learn to maximize the value of your exported KWh over time.

We will never sell your data. All data is end to end encrypted and handled securely.

Bitcoin is a decentralized digital currency that operates without a central authority. It was created in 2009 by an anonymous person or group known as Satoshi Nakamoto. Bitcoin uses cryptography to secure transactions and control the creation of new units.

Bitcoin operates on a peer-to-peer network where transactions are verified by network nodes through cryptography and recorded in a public distributed ledger called a blockchain. This eliminates the need for intermediaries like banks.

Bitcoin mining can help accelerate the renewable energy transition. Research shows that more than half of Bitcoin mining already runs on renewables, and it incentivizes investment in new solar, wind, and hydro projects while monetizing wasted or stranded energy.

Bitcoin is secured by cryptography and Proof-of-Work consensus mechanism. The network is decentralized, making it resistant to censorship and manipulation. Transactions are transparent and verifiable on the public blockchain.

While Bitcoin can be used for transactions, it's primarily seen as a store of value and hedge against inflation. Its fixed supply of 21 million coins makes it scarce and deflationary, unlike traditional fiat currencies.

Wattoshi helps you earn Bitcoin by converting your energy savings or solar exports into Bitcoin rewards. This creates a direct connection between renewable energy and Bitcoin, supporting both sustainability and financial sovereignty.

Bitcoin mining profitability in Norway depends on your electricity price. With access to cheap hydropower (often 0.30-0.80 NOK/kWh), Norway is one of the best locations in Europe for Bitcoin mining. Profitability requires electricity prices below approximately 0.60 NOK/kWh for modern ASIC miners. The cold climate also reduces cooling costs significantly.

Home Bitcoin mining costs depend on your equipment and electricity rates. A modern ASIC miner like the Antminer S21 costs around 30,000-50,000 NOK and uses approximately 3,500W. At average Norwegian electricity prices, monthly power costs range from 2,000-5,000 NOK. With Wattoshi, you can use excess solar production to offset these costs.

For profitable Bitcoin mining, you generally need electricity prices below 0.50-0.60 NOK/kWh including all fees. Norway's price zones (NO1-NO5) have varying rates - northern zones (NO3, NO4) typically offer the cheapest power. Use our electricity price tracker to find the best times to mine.

Yes! Solar-powered Bitcoin mining is increasingly popular in Norway. During summer months with long daylight hours, excess solar production can power mining equipment essentially for free. Wattoshi helps you track solar production and automatically convert surplus energy value to Bitcoin.

A Bitcoin heater is a mining device designed to heat your home while mining Bitcoin. It converts 100% of electricity into useful heat (just like a regular heater) while simultaneously earning Bitcoin. This makes heating essentially free or even profitable. Popular models include Heatbit and various DIY solutions.

Yes, Bitcoin mining is completely legal in Norway. There are no specific regulations prohibiting cryptocurrency mining. You should report any mining income for tax purposes. Commercial mining operations may need to register as a business and follow standard business regulations.

Modern ASIC miners typically use 3,000-5,000W continuously. A single Antminer S21 uses approximately 3,500W, consuming about 2,520 kWh per month. This equals roughly 30,000 kWh annually - comparable to heating a small Norwegian home. Efficiency varies by model and generation.

For home Bitcoin mining you need: 1) An ASIC miner (like Antminer S19/S21), 2) Adequate electrical capacity (220V, 20A circuit minimum), 3) Ventilation or heat management solution, 4) Stable internet connection. For beginners, Bitcoin heaters offer an easier entry point with dual-purpose functionality.

Absolutely! With Wattoshi, every kilowatt-hour your solar panels export to the grid can be converted to Bitcoin. Instead of receiving low feed-in tariffs, you stack sats. During peak summer production, Norwegian solar installations can generate significant Bitcoin earnings.

Bitcoin earnings depend on your solar capacity, location, and current energy/Bitcoin prices. A typical 10kW Norwegian installation producing 8,000 kWh annually could earn approximately 0.01-0.05 BTC per year at current rates. Use our solar calculator for personalized estimates.

Combining solar panels with Bitcoin mining can be highly profitable. Your mining equipment runs on free solar power during the day, while excess production is sold or converted to Bitcoin. This dual approach maximizes the value of your solar investment and reduces payback time.

For Bitcoin mining, prioritize total system capacity over panel efficiency. Standard 400-500W panels work well. The key is matching your solar production capacity to your mining equipment's consumption. A 10kW solar system pairs well with 1-2 modern ASIC miners or several Bitcoin heaters.

Solar panel payback time is typically 6-10 years in Norway with traditional feed-in tariffs. By converting excess production to Bitcoin with Wattoshi, and if Bitcoin appreciates, payback time could be reduced to 3-5 years. Our calculator helps estimate your specific payback period.

During dark Norwegian winters, you can still mine Bitcoin using grid power - ideally when prices are lowest (typically at night). Bitcoin heaters make this economical as you need heating anyway. The mining heat offsets your heating costs while earning Bitcoin.

Northern Norway zones NO3 (Central) and NO4 (North) typically have the cheapest electricity due to abundant hydropower. NO4 often sees prices 30-50% lower than southern zones NO1 (Oslo) and NO2 (Kristiansand). Check our live electricity price tracker to compare current zone prices.

In Norway, electricity is typically cheapest between midnight and 6 AM when demand is lowest. Prices also drop during weekends and holidays. For mining, scheduling operations during these off-peak hours can significantly improve profitability. Wattoshi shows real-time prices across all zones.

Electricity is the largest ongoing cost for Bitcoin mining. A 0.10 NOK/kWh price difference equals approximately 250 NOK/month for a 3,500W miner. At 0.30 NOK/kWh, mining can be highly profitable. At 1.50 NOK/kWh, most operations run at a loss. Real-time price awareness is crucial.

Spot price electricity changes hourly based on market supply and demand. For miners, this creates opportunities to operate during cheap hours and pause during expensive periods. Smart mining systems can automatically adjust to spot prices, maximizing profitability.

Norwegian grid fees (nettleie) add 0.20-0.60 NOK/kWh to your total electricity cost depending on your provider and time of use. Day rates are higher than night rates. These fees are fixed regardless of spot price, making off-peak mining even more advantageous.

Peak shaving means reducing power consumption during high-demand periods (typically 6-9 AM and 4-8 PM). By pausing mining during peaks, you avoid the highest grid fees and help stabilize the power grid. Wattoshi Peakstopper automates this for maximum savings.

Norwegian electricity prices vary by zone and season. In 2024-2025, spot prices range from 0.20-2.00 NOK/kWh. Southern zones (NO1, NO2) are typically more expensive due to cable connections to Europe. Northern zones enjoy more stable, lower prices from hydropower.

A Bitcoin heater is a specialized mining device designed for home use. It mines Bitcoin using powerful processors (ASICs or GPUs) which generate heat as a byproduct. This heat is distributed into your room through fans or convection, warming your home while earning cryptocurrency. 100% of electricity becomes useful heat.

Both convert 100% of electricity to heat (physics guarantees this). The difference: a normal heater just makes heat, while a Bitcoin heater makes heat AND earns Bitcoin. Over time, the Bitcoin earned can offset or exceed electricity costs, making heating essentially free or profitable.

Popular Bitcoin heaters include Heatbit (1,350W, sleek design), Sato Heater (2,500W, high output), and various DIY builds using ASIC miners in enclosures. Prices range from 10,000-40,000 NOK. Choose based on your heating needs, noise tolerance, and desired Bitcoin output.

Bitcoin heaters plug into a standard electrical outlet (most need 220V/16A). Place in a room needing heat, connect to WiFi, and configure your mining pool settings. Unlike traditional miners, they're designed for home environments with reduced noise and aesthetic housings.

Norway is ideal for Bitcoin heaters due to 8+ months of heating demand. During heating season, the Bitcoin earned is pure profit since you'd pay for heating anyway. In summer, you can reduce or stop operation. With Wattoshi, you can optimize operation based on electricity prices.

Consumer Bitcoin heaters are designed for home use and typically produce 35-50 dB - similar to a refrigerator or quiet air conditioner. This is much quieter than industrial ASIC miners. Some models offer 'silent mode' for nighttime operation at reduced mining capacity.

Bitcoin heaters typically use 1,000-3,000W, comparable to a standard electric heater. A 1,500W unit running 12 hours daily uses about 540 kWh monthly. At 0.50 NOK/kWh, that's 270 NOK/month - but you earn Bitcoin in return while heating your home.