electric peak
C1Formal / Technical
Definition
Meaning
The period of highest demand for electricity on a power grid, typically measured in a day, week, or season.
A critical operational point for energy infrastructure, often used metaphorically to describe a maximum point of strain or demand in a non-electrical system (e.g., 'the electric peak of server load').
Linguistics
Semantic Notes
Primarily a technical term in energy, engineering, and environmental science. In non-technical contexts, the phrase may be understood literally or interpreted metaphorically. It functions as a compound noun.
Dialectal Variation
British vs American Usage
Differences
Usage is consistent in technical contexts. In general language, 'peak electricity demand' is a more common alternative. The specific term 'electric peak' is less common in casual American English than 'peak demand' or 'power peak'.
Connotations
In both varieties, it connotes potential strain on infrastructure, risk of blackouts, and high costs. In policy contexts, it is associated with sustainability challenges.
Frequency
More frequent in UK and EU energy policy discourse; in the US, 'peak load' or 'peak demand' are marginally more common.
Vocabulary
Collocations
Grammar
Valency Patterns
[electric peak] occurs...[electric peak] is forecast...[electric peak] is managed by...to shave the [electric peak]to shift the [electric peak]Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “To shave the peak (to reduce peak demand)”
- “Peak lopping (the process of reducing peak demand)”
Usage
Context Usage
Business
Used in utility company reports, energy trading, and discussions about tariff structures like time-of-use pricing.
Academic
Common in environmental science, engineering, and economics papers analyzing grid stability, renewable energy integration, and demand-side management.
Everyday
Rare; may appear in news reports about potential blackouts or energy conservation appeals (e.g., 'avoid using appliances during the electric peak').
Technical
Core term in electrical engineering, grid operations, and energy policy for planning capacity and infrastructure investments.
Examples
By CEFR Level
- The electric peak is usually in the early evening.
- Water heaters can cause a high electric peak.
- Utilities must build power plants to meet the winter electric peak, even if they are idle in summer.
- Smart meters can help consumers avoid using energy during the electric peak to save money.
- The integration of intermittent renewables complicates the forecasting and management of the daily electric peak.
- Policymakers are implementing demand response programmes to flatten the electric peak and defer costly grid upgrades.
Learning
Memory Aids
Mnemonic
Think of a mountain (PEAK) made of lightning bolts (ELECTRIC) — it represents the highest point of electrical usage.
Conceptual Metaphor
DEMAND IS A MOUNTAIN (with peaks and valleys). / THE GRID IS A LIVING BODY UNDER STRAIN (the peak is a moment of high stress).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid direct translation as 'электрический пик' in non-technical contexts; it may sound odd. In technical contexts, 'пиковая нагрузка (энергосистемы)' or 'максимум потребления' are more standard.
- Do not confuse with 'peak voltage' ('пиковое напряжение').
Common Mistakes
- Using 'electrical peak' (less common).
- Confusing 'electric peak' (demand) with 'peak generation' (supply).
- Using it as an adjective (e.g., 'electric peak time' – better: 'peak electricity time').
Practice
Quiz
What is the primary concern associated with the 'electric peak'?
FAQ
Frequently Asked Questions
Not exactly. 'Electric peak' refers to the maximum demand point, which may last for minutes or a few hours. 'Peak hour' is a broader time period of high demand, often defined by tariffs.
Yes, through collective action. If many consumers delay using high-power appliances (like washing machines or EV chargers) until off-peak times, the overall peak demand can be reduced.
It is crucial for grid stability and cost-efficiency. Meeting peak demand requires expensive, often carbon-intensive 'peaker plants'. Reducing the peak lowers costs and environmental impact.
It is a strategy to reduce ('shave') the height of the electric peak using energy storage, demand response, or on-site generation, thereby avoiding the need for additional power plants or grid infrastructure.