El consumo fue más bajo de lo que parecía.

In Spanish, de lo que is very common after a comparative when you mean than what or than it seemed.

So:

• más bajo de lo que parecía = lower than it seemed
• literally, more low of what it seemed

Using just que is possible in some comparative structures, but with an idea like than it seemed / than I expected / than we thought, Spanish very often uses de lo que.

You will see this pattern a lot:

• más caro de lo que pensaba = more expensive than I thought
• menos difícil de lo que parece = less difficult than it seems
• mejor de lo que esperaba = better than I expected

So this sentence follows a very standard pattern.

Here, lo que means something like what or that which.

In de lo que parecía, the phrase means:

• than what it seemed
• more naturally in English: than it seemed

The lo does not refer to a masculine noun here. It is a neuter article, used to refer to an abstract idea, situation, or unnamed thing.

Compare:

• No entiendo lo que dices. = I don’t understand what you’re saying.
• Es más fácil de lo que pensaba. = It’s easier than I thought.

So lo que often helps Spanish express an idea rather than a specific noun.

This is a very common question because both come from ser in the past:

• fue = preterite
• era = imperfect

In this sentence, fue presents the lower consumption as a completed fact or a concluded result:

• El consumo fue más bajo... = Consumption turned out to be lower...

If you said era, it would sound more like background description or an ongoing state in the past:

• El consumo era más bajo... = Consumption was lower...

That is possible in some contexts, but fue often fits better when you are talking about a result, report, event, or measured outcome.

A rough contrast:

• Durante ese período, el consumo era bajo. = During that period, consumption was low.
  
  • descriptive/background
• Al final, el consumo fue más bajo de lo que parecía. = In the end, consumption was lower than it seemed.
  
  • result/conclusion

Parecía is the imperfect of parecer. It is used because seemed here describes an appearance, impression, or ongoing perception, not a single completed event.

So:

• parecía = it seemed / it appeared
• imperfect because it describes how things looked or seemed at the time

This is very natural in Spanish. The sentence contrasts:

• the actual result: fue
• the prior appearance/impression: parecía

That combination is extremely common:

• La situación fue peor de lo que parecía.
• El problema era más serio de lo que parecía.

If you used pareció, it would sound more like it seemed at one moment or it appeared suddenly, which is not usually the idea here.

Because bajo agrees with consumo, which is a masculine noun:

• el consumo
• therefore: más bajo

In Spanish, adjectives agree in gender and number with the noun they describe.

Examples:

• el consumo bajo
• la producción baja
• los niveles bajos
• las cifras bajas

So if the noun were feminine, you would use baja:

• La demanda fue más baja de lo que parecía.

Yes, consumo usually means consumption, but the exact meaning depends on context.

It can refer to things like:

• energy use
• fuel use
• alcohol consumption
• spending/consumer activity
• resource use in general

For example:

• el consumo de energía = energy consumption
• el consumo de agua = water consumption
• el consumo de alcohol = alcohol consumption

By itself, el consumo can sound a little formal or economic/technical, just like consumption in English.

Spanish often uses the definite article with general or abstract nouns more than English does.

So:

• El consumo fue más bajo...

In English, we might simply say Consumption was lower..., without the. Spanish often prefers the article in cases like this.

Other examples:

• La inflación subió. = Inflation went up.
• El precio bajó. = The price went down.
• La producción aumentó. = Production increased.

So the presence of el is very normal.

Yes, absolutely. That is often a very natural translation.

Depending on context, El consumo fue más bajo de lo que parecía could be rendered as:

• Consumption was lower than it seemed.
• Consumption turned out to be lower than it seemed.
• Consumption ended up being lower than it appeared.

The Spanish does not literally contain turned out, but fue in this kind of sentence can strongly suggest a final result or discovered reality.

Yes, in practice parecía refers back to the same situation or thing being discussed: the consumption level.

Spanish often leaves the subject unstated when it is understood from context.

So:

• El consumo fue más bajo de lo que parecía.

The hidden idea is something like:

• ...de lo que parecía ser
• ...than it seemed to be

The subject of parecía is not explicitly repeated because Spanish commonly omits obvious subjects.

Yes. Bajo can mean low in many non-physical senses too.

It is commonly used with levels, quantities, rates, prices, and amounts:

• precio bajo = low price
• nivel bajo = low level
• consumo bajo = low consumption
• salario bajo = low salary

So here, más bajo means lower in amount or level, not physically lower.

Sometimes, but not always with the same tone.

• más bajo emphasizes a lower level
• menor means smaller / lesser

You might hear:

• El consumo fue menor de lo que parecía.

That is also correct and quite natural. It may sound a bit more formal or abstract, depending on context.

In many cases, both work:

• más bajo = lower
• menor = less / lower / smaller

But más bajo is especially common when talking about measurable levels or quantities.

Yes, very much so. It sounds natural in formal, neutral, and analytical contexts such as:

• news reports
• business summaries
• economic analysis
• energy or environmental reports
• academic writing

The structure más/menos + adjective + de lo que + verb is extremely common in both speech and writing, especially when comparing reality with appearances or expectations.

Examples:

• La inflación fue más alta de lo que se esperaba.
• La demanda fue menor de lo previsto.
• El impacto fue más fuerte de lo que parecía.

So this sentence is a very useful model to learn.