By Nicholas Earl The UK should avoid blackouts this winter, according to the National Grid, with sufficient supplies being available to meet Brits’ energy needs in the coldest months of the year. It believes the country’s energy system can navigate a series of challenges such as a potential Russian squeeze on European gas supplies, colder temperatures, and competition for LNG from overseas to keep the lights on and gas flowing. However, its base case scenario depends on LNG top-ups from friendly vendors such as the US and Norway, alongside electricity from Europe via interconnectors. It has al…