What Does It Cost?
Calculate appliance electricity costs

How Much Does a TV Cost to Run in South Africa?

TVs vary widely in electricity consumption depending on size, technology, and brightness settings. Learn how to calculate what your TV costs to run based on its power and your electricity tariff.

Television is a common household appliance with varying electricity consumption depending on screen size, technology, and usage patterns. Understanding your TV's electricity consumption can help you manage household energy costs and make informed decisions about viewing habits.

The cost to run your TV depends on its power consumption, how many hours per day you watch, and your electricity tariff (the rate you pay per kWh). This guide explains how to understand and calculate your TV's electricity cost.

How Much Electricity Does a TV Use?

TV Power Consumption Varies Significantly

TV electricity consumption varies considerably depending on several factors. There is no single wattage figure that applies to every TV. Consumption depends on:

  • • Screen size: Larger TVs (40–55 inch) use significantly more power than smaller TVs (24–32 inch)
  • • Display technology: LED and QLED TVs use different amounts of power; OLED TVs can vary widely depending on content
  • • Brightness setting: Screen brightness is the largest factor affecting power consumption; brighter displays use significantly more power
  • • TV age and efficiency: Newer TVs are generally more efficient than older models
  • • Content being displayed: Dark scenes use less power than bright, colorful content
  • • Power-saving features: Modern TVs have power management features that reduce consumption when not in use
  • • Refresh rate: High refresh rate TVs (120Hz) may use slightly more power than 60Hz models
  • • Connected features: Smart TV features, WiFi, and streaming apps may increase power consumption slightly

Display Technology Impact

Different TV technologies have different power characteristics:

● LED and QLED TVs

LED (Light-Emitting Diode) and QLED (Quantum-Dot LED) TVs have power consumption that varies considerably by model, screen size, brightness and display technology. These are the most common modern TVs and generally efficient. Check the manufacturer's specifications for your specific model.

● OLED TVs

OLED (Organic LED) TVs have unique power consumption patterns: they use less power for dark content (since each pixel produces its own light) but power draw varies for bright content. Actual consumption depends on content brightness, display settings and specific model. Check the manufacturer's specifications for your TV.

Brightness setting is the most significant factor for any TV technology. Lowering brightness can reduce consumption, with the actual effect depending on the TV model and settings.

Finding Your TV's Power Rating

To estimate your TV's electricity cost, check the power consumption specifications in the manual or on the manufacturer's website. Look for "power consumption" or "typical power draw" figures. Note that this is typically measured at mid-brightness settings. Your actual consumption varies with brightness and content.

How Do You Calculate TV Electricity Cost?

The Basic Calculation

Calculating TV electricity cost follows the same basic formula as any appliance:

Power (watts) ÷ 1,000 = Power (kilowatts)

Power (kilowatts) × Hours per day = Energy (kWh per day)

Energy (kWh per day) × Days per period × Tariff (R/kWh) = Cost

Note: One kWh is commonly called one "unit" of electricity on your electricity bill.

The Challenge with TVs: Variable Power Draw

TV electricity consumption varies because:

  • • Power consumption changes based on screen brightness and content displayed
  • • Standby power consumption is separate from on-power consumption
  • • User brightness preferences vary; some watch at maximum brightness, others at lower levels
  • • Content differences affect power draw (dark movies use less than sports with bright graphics)

For realistic estimates, use the TV's typical power consumption specifications (usually at mid-brightness) as your baseline, and adjust for your typical brightness settings.

Illustrative TV Electricity Cost Example

Hypothetical Example (For Illustration Only)

This example uses fictional figures to show how the calculation works. Your actual TV costs will depend on your TV's size, technology, brightness settings, actual power consumption specifications, and your own electricity tariff. This is not a current South African tariff.

Hypothetical scenario:

TV size: 43-inch LED TV

Average power consumption: 80W (typical at mid-brightness, varies with brightness and content)

Daily viewing hours: 4 hours per day (typical household viewing)

Hypothetical electricity tariff: R3.50 per kWh (illustrative example only)

Calculation:

Power consumption: 80W = 0.08 kW

Daily consumption: 0.08 kW × 4 hours = 0.32 kWh per day

Weekly consumption: 0.32 kWh × 7 days = 2.24 kWh per week

Monthly consumption (30 days): 0.32 kWh × 30 = 9.6 kWh per month

Weekly cost: 2.24 kWh × R3.50 = R7.84

Monthly cost: 9.6 kWh × R3.50 = R33.60

Annual cost: 115.2 kWh × R3.50 = R403.20

Important: This example assumes an 80W average consumption at 4 hours daily with a flat R3.50/kWh tariff. Your actual TV cost depends on your TV's actual power consumption specifications, its size and technology, your typical brightness setting, how many hours daily you watch, the type of content you watch (bright vs dark), and your electricity provider's tariff, which may be different, may include fixed charges, or may use tiered pricing. This example is for illustration only and does not represent current South African prices.

Why TV Electricity Costs Can Vary

Usage and Setting Factors

  • • Hours watched daily: A TV watched 2 hours daily uses 50% less electricity than one watched 4 hours daily
  • • Brightness setting: Higher brightness settings can increase power consumption
  • • Content watched: Dark movies and shows use less power than bright sports, news, or gaming content
  • • Standby power: TVs in standby mode consume electricity, though the amount varies by model and power management features
  • • Gaming or high frame rate content: Gaming or 120Hz content may increase power consumption slightly

TV Hardware and Technology Factors

  • • Screen size: Larger screens can use more electricity, but the difference depends on the specific models and display technology
  • • Display technology: OLED TVs have different power characteristics than LED; QLED is generally efficient
  • • TV age and efficiency: Age, technology and model efficiency can affect power consumption
  • • Energy efficiency rating: TVs with higher efficiency ratings use less electricity
  • • Panel quality: Budget TVs may have less efficient backlighting than premium models

Environmental and Preference Factors

External factors affecting TV power consumption:

  • • Room lighting: Using the TV in a dark room often requires higher TV brightness, increasing consumption
  • • Ambient temperature: Very hot or cold rooms may affect panel performance and power draw
  • • Individual brightness preference: Some users prefer bright displays; others prefer dimmer screens

Tariff Structure Matters

Your actual electricity cost also depends on your provider's tariff structure:

  • • Flat rate: Same price per kWh regardless of consumption
  • • Tiered tariff: Rate increases as you use more electricity; TV cost depends on total monthly consumption
  • • Time-of-use rates: Different rates for peak and off-peak hours; watching during off-peak times costs less
  • • Fixed charges: Monthly base charge separate from per-kWh rates

How Can I Reduce My TV Electricity Cost?

Practical Ways to Lower TV Energy Use

  • 1.

    Reduce screen brightness

    Lower brightness from your typical setting to a comfortable level. Many people find they can use lower brightness without noticeably affecting picture quality, and this can reduce power consumption.

  • 2.

    Watch in a dimly lit room

    In a dark room, you can watch at lower brightness comfortably, reducing power consumption. Using room lighting instead of maximum TV brightness is more energy-efficient.

  • 3.

    Turn off the TV when not in use

    Don't leave the TV on as background noise or when no one is watching. Even one hour less daily viewing saves electricity and money.

  • 4.

    Use power-saving or eco modes

    Many modern TVs have power-saving or eco modes that reduce brightness and power consumption while maintaining adequate picture quality for most viewing.

  • 5.

    Disconnect the TV from standby

    TVs in standby mode consume some electricity. Unplug the TV or use a power strip to cut standby power consumption completely when the TV is off.

  • 6.

    Upgrade to a smaller or modern efficient TV

    Newer TVs are often more efficient than older models. Smaller screens generally use less power than larger screens, and modern TVs with energy efficiency ratings tend to use less electricity than older models, depending on the specific models compared.

  • 7.

    Disable unnecessary features

    Disable automatic brightness adjustment, always-on WiFi, and other smart features you don't use. These features add small power consumption that reduces battery efficiency on standby.

  • 8.

    Watch during off-peak hours if possible

    If your electricity tariff offers time-of-use rates, schedule major viewing during off-peak hours to save money on your electricity bill.

Calculate Your TV's Actual Electricity Cost

The What Does It Cost? calculator lets you enter your TV's power rating and how often you watch it to estimate your electricity costs.

You can enter:

  • • Your TV's power consumption in watts (from the manual or specifications)
  • • Hours per day you watch or have the TV on
  • • Days per week you watch
  • • Your electricity tariff (R per kWh from your electricity bill)

The calculator will show estimated weekly, monthly, and yearly costs. Remember that actual costs may differ based on brightness settings, content watched, and TV efficiency.

Open the Calculator

How to Get a More Realistic TV Electricity Estimate

Use Your TV's Specifications and Realistic Usage

The most reliable way to estimate your TV's electricity consumption is to use:

  • • Power consumption specification: Check your TV's manual or manufacturer website for typical power consumption (usually at mid-brightness)
  • • Your actual daily viewing hours: Track how many hours per day you typically watch
  • • Starting point: Use the manufacturer's stated power consumption as a starting point and, where possible, measure actual consumption with a power meter
  • • Content type watched: Estimate percentage of dark (movies) vs bright (sports, games) content
  • • Power meter measurement: Measure actual consumption with a power meter over a week of typical viewing for your personal usage pattern

Why Measured Data Is More Realistic

Measured power consumption accounts for your specific TV's efficiency, your actual brightness preference, the type of content you watch most, your specific viewing hours, and standby usage. This produces a more realistic estimate than theoretical calculations based solely on specification sheets.

TV Electricity Cost FAQs

How much electricity does a TV use?

TV consumption varies considerably by model, screen size, display technology, brightness settings and content. The actual power draw depends on these factors. Check your TV's power specifications from the manual or manufacturer website for your specific model, or measure actual consumption with a power meter for your personal usage pattern.

How much does a TV cost to run per month?

This depends entirely on your TV's power consumption, how many hours daily you watch, brightness settings, and your electricity tariff. Using the hypothetical example in this guide (80W, 4 hours daily, R3.50/kWh), the estimate was R33.60 per month. Your actual cost could be significantly higher or lower. Use the What Does It Cost? calculator to estimate your specific TV's cost.

Does brightness setting affect TV electricity consumption?

Yes. Brightness is one of the largest power consumption factors in TVs. Higher brightness settings increase power consumption. Lowering brightness can reduce consumption, and many people find they can use comfortable lower brightness levels without significantly affecting picture quality.

Do larger TVs always use more electricity?

Larger screens can use more electricity than smaller screens, but the difference depends on the specific models and display technology. A newer efficient large TV can use less power than an older smaller TV. The key is checking the specific power consumption specification for your model.

Do OLED TVs use more electricity than LED TVs?

OLED and LED TVs have different power characteristics. OLED TVs use less power for dark content but power draw varies for bright content. Power consumption depends on the specific models, display technology, content and brightness settings. Choose based on picture quality preference, and check the specific power consumption specifications for the models you're comparing.

Can I reduce my TV electricity bill?

Yes. Key strategies include reducing screen brightness (often most effective), watching in dimly lit rooms, turning off the TV when not in use, using eco or power-saving modes, disconnecting from standby, upgrading to a smaller or newer efficient TV, disabling unnecessary features, and watching during off-peak hours if your tariff offers time-of-use rates. The combined impact depends on your TV, settings and viewing habits.

How do I calculate my TV's electricity cost?

Use this basic formula:

(Power in kW × Hours per day × Days per period × Tariff) = Cost

Or use the What Does It Cost? calculator: enter your TV's power consumption, daily viewing hours, and your electricity tariff for an estimated cost.

Is standby power consumption significant for TVs?

Standby power consumption is generally lower than active viewing power use, but it can accumulate over long periods if the TV is on standby for many hours. Disconnecting the TV or using a power strip to completely cut standby power when the TV is off is a good practice to eliminate standby electricity consumption.

Calculate Your TV's Electricity Cost

Use the What Does It Cost? calculator to estimate your TV's actual monthly and yearly electricity costs based on your specific TV model and your South African electricity tariff.

Calculate Now