Proizvodnja električne energije raste.

Because proizvodnja is in the nominative singular, which is the normal form for the subject of the sentence.

• proizvodnja = production
• It is the thing that raste = is growing / is increasing

So grammatically, the sentence is built around:

• proizvodnja = subject
• raste = verb

The rest, električne energije, tells us what kind of production it is.

Because after a noun like proizvodnja Croatian usually uses the genitive to mean production of ...

So:

• energija = energy
• energije = of energy

This is very common in Croatian. Compare:

• proizvodnja energije = production of energy
• potrošnja vode = consumption of water
• cijena plina = price of gas

So električne energije is a genitive phrase depending on proizvodnja.

Because the whole phrase is in the genitive singular, not the nominative.

The base form is:

• električna energija = electrical energy

But after proizvodnja, it changes to:

• električne energije = of electrical energy

Both words change because the adjective must agree with the noun in:

• gender
• number
• case

Here, energija is:

• feminine
• singular
• genitive

So the adjective also becomes feminine singular genitive:

• električna energija → električne energije

Raste is the 3rd person singular present tense of the verb rasti, meaning to grow or to increase.

So:

• ja rastem = I grow / I am growing
• ti rasteš = you grow
• on/ona/ono raste = he/she/it grows

Since proizvodnja is singular, the verb is also singular:

• Proizvodnja ... raste.

In English, this can often be translated as either:

• is growing
• grows
• is increasing

depending on context.

It can definitely be used for abstract increase too. In this sentence, raste means something like is increasing.

Croatian uses rasti for many kinds of growth or rise:

• Dijete raste. = The child is growing.
• Cijene rastu. = Prices are rising.
• Potražnja raste. = Demand is increasing.
• Proizvodnja električne energije raste. = Electricity production is increasing.

So this use is completely natural.

Yes. Croatian word order is more flexible than English word order.

The neutral order here is:

• Proizvodnja električne energije raste.

But you could also say:

• Raste proizvodnja električne energije.

That version puts more focus on the fact that it is increasing.

Because Croatian uses case endings, the grammatical roles are still clear even if the order changes. However, not every order sounds equally natural in every context.

Because Croatian does not have articles like English a and the.

So proizvodnja električne energije raste can mean:

• the production of electrical energy is increasing
• or, depending on context, simply production of electrical energy is increasing

Croatian leaves that distinction to context.

Not exactly.

• električna energija = electrical energy/electric power, a more formal or technical term
• struja = electricity/current, often the everyday word

In a technical, economic, or official sentence like this one, električna energija sounds more precise and natural.

For example:

• Nestalo je struje. = The electricity went out.
• Proizvodnja električne energije raste. = The production of electrical energy is increasing.

So struja is more everyday, while električna energija is more formal and specific.

A rough pronunciation guide for an English speaker is:

• Proizvodnja ≈ proyz-VOD-nya
• električne ≈ eh-lek-TREECH-neh
• energije ≈ eh-nehr-GHEE-yeh
• raste ≈ RAH-steh

A few useful sound notes:

• nj sounds like the ny in canyon
• č sounds like ch in church
• j sounds like English y
• Croatian stress is not usually marked in normal spelling, so learners often just copy native pronunciation until it becomes familiar

It is basically:

• [subject] + [genitive complement] + [verb]

More specifically:

• Proizvodnja = subject, nominative singular
• električne energije = genitive phrase, meaning of electrical energy
• raste = 3rd person singular present

So the sentence literally works like:

• Production of electrical energy grows / is increasing

This is a very common Croatian pattern, especially in formal or informational language.