Think super-efficient power conversion chips inside your mobile phone charger, laptop power supply, lighting systems and other mains-powered devices.
With the advent of street lighting, mains water and sewerage during the Victorian era, maintenance of such an ancient parish with so few parishioners became increasingly uneconomical after the Industrial Revolution.
There are cheaper light mains available and the Harbour Master also serves an excellent breakfast menu.
The most important features of a mobile phone in nations like India aren't internet access, cameras, music, storage or email; they're the practical necessities of good battery life and an integrated flashlight, for when both mains power and light are in short supply.
However, not all houses were supplied with gas or mains electricity from the outset, the remainder being lit by candles or oil or paraffin lamps.
You can hear the chatter as villagers sit around open fires but with the nearest mains power station more than 200km (124 miles) away, there is nothing else to light up the village.
Street lights were switched off at the mains, vehicle headlights were masked to show only a crack of light, and stations were lit by candles.
LEDs could, however, have an even greater impact in parts of the developing world that lack mains power and electric lighting altogether.
With its solar-powered lighting, no mains electricity, wood-burning stove amply supplied with driftwood, composter, recycling, and environment-friendly cleaning products provided, this ticks many of the green boxes.
There is a wood-fired grill for mains but plenty of lighter options.
