The Tool Desk
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Calculate the electricity use
The calculation assumes the computer draws an average of 20 W from the wall continuously while streaming. It is arithmetic based on that assumption, not a measured result for a particular mini PC.
| Period | Calculation | Energy used |
|---|---|---|
| One day | 20 W Ă— 24 hours Ă· 1,000 | 0.48 kWh |
| 30-day month | 0.48 kWh Ă— 30 | 14.4 kWh |
| 365-day year | 0.48 kWh Ă— 365 | 175.2 kWh |
For a different average draw or schedule, use average watts × hours ÷ 1,000 = kWh. For example, apply the formula to the actual average watts and the number of hours your setup runs; do not treat a device’s advertised maximum power as its measured streaming draw.
Estimate the cost on your electricity bill
Multiply the stream’s additional kWh by the applicable energy rate. Check the tariff schedule and bill for your state, distribution utility, domestic consumer category, and monthly consumption slab. The Ministry of Power says retail tariffs are determined by the appropriate State Electricity Regulatory Commissions, while state governments may subsidize certain consumer classes, including domestic users. The Ministry’s 10 August 2026 reply states: “Electricity tariffs in India are determined by the Appropriate Electricity Regulatory Commissions under the Electricity Act, 2003.”
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If your tariff is slab-based, the added use may be charged at a different marginal rate depending on how much electricity your household already consumes. A simple multiplication estimates the energy-charge component, not necessarily the change in your complete bill: fixed charges and other local bill items may also apply, and subsidies can affect what you pay.
A dated Lakshadweep illustration—not a national rate
The Department of Electricity of the Union Territory of Lakshadweep lists these LTDS-II domestic energy rates in its FY 2026–27 tariff schedule. Applying each listed rate to 14.4 kWh gives the following illustrative energy charges for a 30-day month:
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| Listed consumption slab and rate | 14.4 kWh Ă— rate | Illustrative energy charge |
|---|---|---|
| 0–100 units: ₹3.55/kWh | 14.4 × ₹3.55 | ₹51.12 |
| 101–200 units: ₹5.30/kWh | 14.4 × ₹5.30 | ₹76.32 |
| 201–300 units: ₹7.70/kWh | 14.4 × ₹7.70 | ₹110.88 |
| 301–400 units: ₹10.05/kWh | 14.4 × ₹10.05 | ₹144.72 |
| Above 400 units: â‚ą13.05/kWh | 14.4 Ă— â‚ą13.05 | â‚ą187.92 |
These are separate rate illustrations, not a prediction of a household’s bill or a calculation applying progressive slabs to total household use. The schedule also lists a fixed charge of ₹25 per kW per month or part thereof. The figures above exclude fixed charges and other bill components; use your own utility’s rules to work out the incremental charge. See the Lakshadweep FY 2026–27 tariff schedule.
Check your mini PC’s actual draw
The result depends on average power drawn at the wall by the complete setup, not the assumed 20 W alone. A plug-in electricity usage monitor that reports watts or kWh can help refine the estimate. ENERGY STAR’s criteria cover plug-load and home energy monitors capable of reporting power or energy, but that does not verify any specific monitor’s accuracy, availability, or suitability in India. Read ENERGY STAR’s home energy management criteria.
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- Measure the setup in the configuration you actually use for streaming, over a representative period.
- If the reading is in kWh, divide by the measurement period in hours and multiply by 1,000 to estimate average watts.
- Recalculate with that average and your intended daily hours. The formula remains average watts Ă— hours Ă· 1,000.
Keep the cost estimate comparable
When comparing a 24/7 mini PC stream with another setup, compare the same period and distinguish energy charges from complete bills. Use measured average wall watts, operating hours, the relevant tariff category and marginal slab, and the treatment of fixed charges and subsidies. Do not compare an energy-only estimate from one location with another location’s full bill.
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Quick Recap
Best Value
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