As October nights turn cold, households and businesses across New England start thinking about heating bills. The region has a long-standing reputation for some of the highest energy costs in the continental United States. The reasons are less about any single villain and more about geography, infrastructure and the way the region’s power system has developed.

At the End of the Line

New England produces very little of its own fossil fuel. Natural gas, heating oil and propane all have to come from elsewhere, by pipeline, ship or truck. The region sits near the end of the interstate natural gas pipeline network, and its pipeline capacity is limited. Most of the year, that capacity is enough. In the coldest weeks of winter, when demand for home heating spikes, it can become a bottleneck.

When pipelines are full, the remaining supply becomes more expensive, and the region leans more heavily on alternatives such as liquefied natural gas delivered by ship and on oil-fired power plants that run only when needed.

Gas Heats Homes and Makes Electricity

Over the past few decades, natural gas has become a major fuel for generating electricity in New England, replacing much of the coal and oil the region once used. That shift lowered emissions and, for much of the year, costs. It also linked two markets together. When gas is in high demand for heating, it is also more expensive for power plants, which can push up wholesale electricity prices.

The regional power grid is overseen by ISO New England, an independent nonprofit that runs the wholesale electricity markets and plans the bulk transmission system for the six states. It regularly publishes information on winter reliability and fuel supply.

What Goes Into Your Bill

A typical electricity bill in Massachusetts has two broad parts:

• Supply, the cost of the electricity itself, which reflects wholesale market prices and can change seasonally.
• Delivery, the cost of the poles, wires and local utility operations that bring power to your building.

Bills may also include charges for state programs such as energy efficiency and clean energy initiatives. Many communities offer municipal aggregation programs that buy supply on behalf of residents, and customers can sometimes choose competitive suppliers. Terms vary widely, so read contracts carefully.

Changes Underway

The region’s energy system is in transition. New England states have set goals to reduce emissions, which has encouraged offshore wind, solar, battery storage, imported hydropower and heat pumps. These changes may reduce dependence on imported fossil fuels over time, though they also involve large investments in transmission and new infrastructure, and debates about cost and pace continue.

Practical Steps for This Winter

While no household can change regional markets, a few steps can help manage costs:

• Schedule a no-cost home energy assessment through the state’s energy efficiency program, Mass Save, if you are eligible.
• Seal drafts around windows and doors and add insulation where possible.
• Ask your utility about budget billing, which spreads costs more evenly across the year.
• Check eligibility for fuel assistance and discount rates if money is tight.

For decisions about major equipment such as heat pumps or solar panels, get multiple quotes and consider talking with an independent energy professional about what fits your home.

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