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Energy Insights

LGC Prices: Best Buying Times & Smart Strategies

line graph showing fluctuating LGC prices in Australia

Key takeaways

  • LGC prices are dynamic. The RET, renewable generation levels, economic factors, and policy changes all influence LGC prices.
  • Timing is key. Buying early in the year, after RET announcements, or during oversupply periods can often secure better prices.
  • Market knowledge is power. Use market reports, analysts, and experts like EnergyAction to stay ahead of LGC price trends.
  • Multiple buying strategies exist. Spot markets, forward contracts, energy retailers, and LGC exchanges offer different pros and cons.
  • Strategy should match your goals. Consider price sensitivity, risk tolerance, and convenience when choosing how to buy LGCs.
  • Expert guidance pays off. Partnering with EnergyAction unlocks market intelligence, personalised advice, and better returns on your renewable energy investment.

Estimated Reading Time: 4 minutes


Investing in Large-scale Generation Certificates (LGCs) is not only a powerful way to champion Australia's transition to clean energy, but it can also be a financially savvy move. Understanding LGC prices – how they fluctuate, what factors influence them, and how to time your purchases strategically – is crucial to maximising the value of your investment. This in-depth guide will arm you with the knowledge you need to navigate the LGC price landscape, identify the most opportune buying moments, and make purchases that align with your budget and renewable energy goals. Whether you're buying LGCs to meet compliance requirements, demonstrate your sustainability commitment, or simply support clean energy, understanding LGC pricing dynamics is essential for a successful investment strategy.

Understanding LGC Prices

Knowing the forces behind LGC prices is the first step to making cost-effective purchases. Here's a closer look at the key factors:

The Renewable Energy Target (RET): Australia's RET sets mandatory targets for the proportion of the nation's electricity to be sourced from renewable power. Entities like electricity retailers must purchase LGCs to meet their RET obligations. When the RET target escalates, so does the overall demand for LGCs, potentially driving up prices. On the other hand, if the government relaxes the RET target, demand eases, and prices may respond accordingly.

Renewable Energy Generation: One LGC is created for every megawatt-hour (MWh) of electricity produced by eligible renewable sources like solar or wind power. When renewable energy generation surges, there is a greater supply of LGCs, which can apply downward pressure on prices. Conversely, if renewable generation lags, the LGC market may get tighter, potentially raising prices.

Economic Conditions: The LGC market doesn't exist in a vacuum – it's influenced by wider economic forces. Overall energy prices have a direct link to LGCs, since the cost of renewable energy generation relative to traditional energy sources influences LGC demand. Interest rates also play a role, as changing financing costs can impact the economics of renewable energy projects, and thereby LGC supply. Further, general economic health and sentiment can sway investment decisions in the renewables sector, influencing LGC demand.

Policy Changes: Government policy plays a massive role in shaping the LGC market. Announcements about renewable energy subsidies, carbon pricing mechanisms, or updates to the RET framework can ripple through the market, impacting LGC prices in the short and long term. Savvy investors stay attuned to policy discussions and potential impacts.

Buying LGCs at the opportune moment can offer significant savings. Here's when to prioritise your purchases:

Early in the Compliance Year: Under the RET, liable entities have an annual obligation to purchase LGCs. Demand tends to build gradually throughout the year, making the early part of the compliance cycle an attractive time to consider LGC purchases, as prices may be more competitive.

After RET Announcements: Closely monitor the market after the government communicates any RET changes. Often, announcements are followed by price adjustments, which may briefly dip as the market digests the news. These periods can present buying opportunities.

Potential Oversupply: If reliable forecasts predict an oversupply of renewable energy for a period, it's likely LGCs will be more abundant as well. Watch for such scenarios, as they could lead to softening prices and a chance to secure LGCs at better value.

Seasonal Variations: Some analysts observe subtle seasonal patterns in LGC prices. Energy usage habits across the year may influence demand. Consulting with an EnergyAction expert can provide in-depth insights into any potential seasonal trends to consider for timing your purchases.

Forecasting LGC Prices

Predicting LGC prices with complete accuracy is impossible, but informed analysis leads to better purchasing decisions. Utilise these resources:

Market Reports: Seek authoritative, up-to-date market reports analysing LGC supply, demand, pricing trends, and policy considerations. Reputable sources provide valuable perspectives to inform your investment choices.

Financial Analysts: Certain financial analysts focus on the renewable energy sector and may publish well-researched LGC price outlooks. These forecasts offer valuable insights, even if they don't guarantee future prices.

EnergyAction: Our team stays on the pulse of the LGC market. We leverage our in-depth knowledge, combined with the latest data, to give you expert analysis of prevailing price trends and what they mean for your LGC buying strategy.

Strategies for Buying LGCs

Choosing the right LGC purchasing method can influence the price you pay and how well a strategy fits your overall objectives. Here's a breakdown of the key options:

Spot Market: This involves buying LGCs "on-demand" as you need them. The spot market offers the potential to secure the lowest possible price, especially if you take advantage of dips in demand. However, it comes with the risk of price volatility – costs could spike unexpectedly. The spot market approach is best if you're comfortable with some uncertainty and have the resources to actively monitor prices.

Forward Contracts: This strategy lets you lock in a set price today for LGCs to be delivered at a future date. Forward contracts offer price certainty, shielding you from potential increases. However, if LGC prices drop below your contract price, you might miss out on potential savings. Forward contracts are appropriate if you prioritise price stability and want to protect against future hikes.

Energy Retailers: Some energy retailers allow you to bundle LGC purchases with your electricity contract. This approach prioritises convenience and simplifies the process. However, it's essential to compare the packaged LGC prices with the other options to ensure you're getting the best value. Consider bundling if convenience is paramount and you're willing to pay a potential premium for it.

LGC Exchanges: LGC exchanges are specialised platforms that enhance price transparency, connecting buyers and sellers directly. Exchanges can uncover potential deals and offer a streamlined process. Investigate reputable LGC exchanges if you want a wider range of purchase options and like the idea of competitive marketplaces.

Table of Understanding

Spot MarketBuy LGCs on demand as requiredPotential to secure the lowest pricesExposure to price volatility
Forward ContractsAgree on a price for LGCs to be delivered at a future dateProtects against price increasesPossible premiums on the contract
Energy RetailersLGCs can be bundled with your energy contractConvenience of a single transactionMay not offer the most competitive LGC price


Understanding LGC price dynamics and aligning your buying strategy with your budget, risk tolerance, and renewable energy goals will ensure your investment makes a powerful impact. Market conditions evolve, so it's vital to stay informed and adapt your approach. Partnering with EnergyAction unlocks several key benefits:

  • Market Intelligence: We continuously track and analyse the LGC market, providing you with up-to-date intelligence on pricing, trends, and regulatory changes.
  • Personalised Guidance: Our experts offer tailored advice on LGC purchase timing, choosing the optimal buying strategy, and managing your LGC portfolio to maximise returns.
  • Informed Decision-making: Our expertise empowers you to make the most well-informed decisions, ensuring you achieve the best possible value for your renewable energy investment.

Let's discuss how EnergyAction can help you navigate the LGC market with confidence and maximise the returns on your commitment to sustainability!


  1. What is an LGC? An LGC certifies that you've supported the generation of one megawatt-hour (MWh) of electricity from a renewable source.
  2. Why buy LGCs? Businesses and individuals buy LGCs to demonstrate their support for clean energy, meet sustainability targets, and offset emissions.
  3. How much do LGCs cost? Prices fluctuate, but you can use the tips above to target lower prices.
  4. Where can I buy LGCs? You can buy LGCs on the spot market, through forward contracts, or bundled with your electricity contract.
  5. Do I need professional help to buy LGCs? EnergyAction's experts can guide you to maximise your renewable investment.

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