Electricity Prices Set to Rise Again in 2025: What Illawarra and South Coast Residents Need to Know

Key Takeaways

• Electricity prices in NSW will increase by up to 8.9% from July 2025
• Endeavour Energy customers in Wollongong and Illawarra face some of the highest increases
• The average household could pay an extra $174-249 per year
• Solar power offers a proven way to protect against rising electricity costs
• Local rebates and incentives can significantly reduce solar installation costs

Are you tired of watching your electricity bills climb higher year after year? Unfortunately, there’s more pressure on the way for Illawarra, Southern Highlands, and South Coast households, with the Australian Energy Regulator announcing draft electricity price increases of up to 8.9% starting July 2025.

But don’t panic – we’ve broken down exactly what these changes mean for your family in Wollongong, Shellharbour, Kiama, Nowra and surrounding areas, why they’re happening, and most importantly, how local homeowners can shield themselves from these rising costs.

What is the Default Market Offer (DMO) and Why Should You Care?

Think of the Default Market Offer (DMO) as a price cap that protects consumers from excessive electricity charges. It’s essentially a safety net for those who haven’t shopped around for a better deal.

Even if you’re not on a standing offer (only about 8% of residential customers in NSW are), the DMO still affects you because it serves as a reference point for all other electricity plans in the market.

The Australian Energy Regulator (AER) has just released its draft determination for electricity prices in 2025-26, and the news isn’t good for local household budgets.

How Much Will Electricity Prices Rise in the Illawarra and South Coast?

For Endeavour Energy customers (covering most of Wollongong, Shellharbour, Kiama, and parts of the Southern Highlands), prices are set to increase significantly:

• Residential customers without controlled load: 7.8% increase (an extra $174 per year)
• Residential customers with controlled load (such as electric hot water systems): 8.9% increase (an extra $249 per year)
• Small business customers: 7.7% increase (an extra $340 per year)

For Essential Energy customers (covering parts of the South Coast and Southern Highlands):

• Residential customers without controlled load: 8.0% increase (an extra $200 per year)
• Residential customers with controlled load: 8.3% increase (an extra $243 per year)
• Small business customers: 7.8% increase (an extra $450 per year)

These increases will take effect from July 1, 2025, if confirmed in the final determination.

Why Are Electricity Prices Rising Again?

Several factors are driving these price increases:

1. Higher Wholesale Electricity Prices

• High demand periods throughout 2024
• Coal generator outages reducing supply
• Lower than expected renewable generation during certain periods
• These factors have driven up the cost of electricity contracts for 2025-26

2. Rising Network Costs

• Inflation and higher interest rates
• Network companies requiring higher returns
• Infrastructure upgrades to handle extreme weather events
• Recovery of costs from previous investments

3. Increased Retailer Costs

• Higher customer service and administrative costs
• Compliance with new regulations
• Inflation affecting business operations

AER Chair Clare Savage acknowledged these challenging conditions: “We know that cost-of-living pressures are front of mind for many households and small businesses. We’ve seen cost pressures across nearly every component of the DMO.”

What This Means for Illawarra and South Coast Residents

For the average Wollongong or Shellharbour household using the typical amount of electricity, this means paying approximately:

• An extra $14.50 per month for homes without controlled load
• An extra $20.75 per month for homes with electric hot water systems

For pensioners and families already struggling with cost-of-living pressures, these increases will put additional strain on household budgets.

Small businesses across the region will face even steeper increases, with the average small business potentially paying an extra $28-37 per month.

How Local Homeowners Can Beat Rising Electricity Prices

The good news? Residents of the Illawarra, Southern Highlands, and South Coast have proven options to reduce or even eliminate the impact of these price rises:

1. Install Solar Panels

Solar panel systems have never been more efficient or affordable for local homes. With solar panel installation in Wollongong and surrounding regions, homeowners are seeing significant reductions in their electricity bills.

Our customers typically see reductions of 50-90% on their electricity bills after installing an appropriately sized solar system. Some even eliminate their bills completely during summer months!

2. Add Battery Storage

Battery technology has improved dramatically while becoming more affordable. A solar battery system can store excess daytime solar production for use in the evening, further reducing your reliance on grid electricity when prices are highest.

Learn more about solar battery costs in the Illawarra and Southern Highlands to see if this option makes sense for your home.

3. Take Advantage of Local Rebates

Government incentives and rebates can significantly reduce the upfront cost of going solar:

• Solar rebates in Wollongong
• Solar rebates in Kiama
• Solar rebates in Shellharbour
• Solar rebates in Nowra
• Solar rebates in the Southern Highlands

These rebates can reduce installation costs by thousands of dollars, making the switch to solar even more affordable.

4. Free Energy Assessment

Understanding exactly how your household uses electricity is the first step to reducing costs. Solar X Energy offers free energy assessments to help local residents identify the most effective ways to cut their bills.

GET A FREE ENERGY ASSESSMENT

Case Study: Local Success Story

Watch how Our Customer reduced their quarterly electricity bill  solar system with Solar X Energy:

A client testimonial from a recent solar system installation in Barrack Point

Choosing the Right Solar Solution for Your Home

Every home in the Illawarra and South Coast regions has different energy needs and roof conditions. To get the maximum benefit from solar, you need a solution tailored to your specific situation:

• How to choose the right solar system size for your home
• Best solar panels for Illawarra/Wollongong conditions
• Can you install solar panels on a roof with shade or odd angles?

What About Strata Properties?

Many residents in the Wollongong, Shellharbour, and Kiama areas live in strata-managed properties. The good news is that solar installation is often possible in these situations:

Do solar installations need strata approval in Wollongong/Shellharbour?

Timeline: What Happens Next with Electricity Prices?

• Now until April 3, 2025: Public consultation period on the draft determination
• May 26, 2025: Final DMO decision published
• July 1, 2025: New higher electricity prices take effect

This means you have just over 3 months to take action before prices rise again.

Why Choose Solar X Energy for Your Solar Installation?

As the Illawarra’s leading solar provider, Solar X Energy offers:

• Local expertise: Understanding the unique conditions of the South Coast, Illawarra, and Southern Highlands
• Quality installations: Only using tier-1 panels and inverters with industry-leading warranties
• Exceptional service: From initial consultation through to after-sales support
• Competitive pricing: With flexible payment options available
• Comprehensive maintenance: Complete guide to solar maintenance

Frequently Asked Questions

How much can I save with solar in the Illawarra region?

The average 4-person household in the Wollongong area can save $1,500-$2,500 per year with a properly sized solar system. With the announced price increases, these savings will grow to $1,700-$2,800 annually from July 2025.

How long does it take to install solar panels?

Most residential installations in the Illawarra and South Coast areas take 1-2 days to complete, with the system operational immediately after inspection and meter changeover.

Do solar panels work well in the Illawarra climate?

Absolutely! The Illawarra region receives excellent solar exposure, and modern panels perform well even on cloudy days. Learn more about solar panel performance in local conditions.

How long do solar panels last?

Quality solar panels typically last 25-30 years, with most manufacturers offering 25-year performance warranties. Read more about solar panel lifespan.

What rebates are available in my area?

Rebates vary by location, but most homes in the Illawarra, Southern Highlands, and South Coast are eligible for Small-scale Technology Certificates (STCs) which can reduce installation costs by thousands. Check rebates for your specific area.

Take Action Before Prices Rise Again

With electricity prices set to increase by up to 8.9% in July 2025, now is the perfect time to consider solar power for your home or business. Solar X Energy offers free site inspections and quotes to help you understand exactly how much you could save.

Our team services the entire Illawarra region, South Coast, and Southern Highlands, including:

• Wollongong
• Shellharbour
• Kiama
• Nowra
• Berry
• Minnamurra
• Warrawong
• And many more locations throughout the region

GET YOUR FREE QUOTE AND SITE INSPECTION TODAY!

Don’t wait until your bills increase again. Contact Solar X Energy today to learn how you can protect your household from rising electricity costs and start generating your own clean, renewable energy.

Source: Australian Energy Regulator Draft Determination for Default Market Offer 2025-26, released March 13, 2025.

About Solar X Energy: Solar X Energy is the Illawarra and South Coast’s trusted solar provider, specializing in high-quality solar panel installations, battery storage solutions, and energy assessments for residential and commercial customers. Learn more about us.

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